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|Chinese to English: ZH>EN Genetic Microscopy|
General field: Medical
Detailed field: Chemistry; Chem Sci/Eng
|Source text - Chinese|
石 莹，陈露岚，姜 民*
复旦大学脑科学研究院，医学神经生物学国家重点实验室，上海 200032摘 要：本文旨在利用光纤式在体荧光显微成像系统，建立大鼠脑内神经元的在体显微荧光连续观察的实验方法。将含有绿色荧光蛋白的重组病毒载体(Ubi-GFP)微注射到Sprague Dawley (SD)大鼠大脑皮层区，7天后用微创手术将光纤探头植入动物脑内目标位置，使用在体荧光显微成像技术观察到微注射区GFP标记神经元的特异性荧光信号。随后对大鼠脑组织行冰冻切片，荧光显微镜对切片的观察结果验证了在体荧光显微成像实验中观察到的荧光信号。该方法既保证了在体实验中动物处于生理状态，又满足了体内神经组织荧光显微水平成像的要求，可以用于动物脑内神经元荧光信号的在体追踪记录，为在体神经科学实验提供了有效的技术保障。
生理学报 Acta Physiologica Sinica, December 25, 2012, 64(6): 695–699
1.1 动物 Sprague Dawley (SD)雄性成年大鼠，体重约300 g (购于上海斯莱克实验动物有限责任公司)。
1.2 主要试剂 pGC FU-RNAi-NC-LV重组病毒载体，仅含有绿色荧光蛋白GFP (Ubi-GFP, 5 × 109 TU/mL)(购于上海吉凯基因化学技术有限公司)，OCT包埋剂(Leica，德国)。
1.3 主要仪器 大鼠45°耳针立体定位仪(Steolting，美国)，探头式在体荧光显微镜(MKT，法国)，冰冻切片机(Leica，德国)，荧光显微镜(Olympus，日本)。
1.4 大鼠大脑皮层微注射 将实验大鼠用7%水合氯醛(0.6 mL/100 g)经腹腔注射麻醉，然后固定于立体定位仪上。剃毛后用碘酒及75%酒精消毒后在顶部作一长1 cm的纵切口，用沾有双氧水的棉签氧化骨膜，暴露出颅骨上的前后囟并做好标记。依据Paxinos-Watson图谱，前囟后3.8 mm，旁开2.3 mm，深度1.8 mm，即待微注射的大鼠大脑皮层位置。用电钻垂直颅骨表面钻一直径0.5 mm圆孔，微量注射器吸取适量Ubi-GFP，在定位仪上固定好，垂直进针1.8 mm达顶叶联络皮质(PtA)区，以2 μL/10 min的速率注射总量为2 μL的病毒液体，留针时间大于10 min。缓慢移出注射器针头，缝合切口并消毒，肌内注射青霉素预防感染。常规饲养大鼠，7天后进行荧光观察。
1.5 在体荧光显微成像技术观察大鼠脑内神经元 将大鼠用7%水合氯醛(0.6 mL/100 g)经腹腔注射麻醉，剃毛并固定于立体定位仪上。暴露前期的颅骨孔道，打开在体式荧光显微成像记录系统，将在体式荧光显微镜直径为650 μm的柔软光纤ProFlex垂直插入大鼠脑内，穿过脑膜，垂直进针1.8 mm达PtA区的微注射部位，通过488 nm的激光器激发，采集信号波段为500~650 nm，采集频率为12 幅/s记录在体荧光影像(图1)。
1.6 大鼠脑组织冰冻切片观察 采用过量水合氯醛腹腔注射处死大鼠，4%多聚甲醛灌注固定后取出微注射部位脑组织，进行梯度蔗糖溶液处理。
图 1. 在体荧光显微成像设备观察活体小动物脑内神经元操作示意图
697 OCT包埋后行冰冻切片，切片厚度40 μm，使用荧光显微镜(Olympus, BX51) 采集图像。
通过在体荧光成像系统可以实时采集到光纤探头所在目标位置的荧光影像。在大鼠脑内的微注射部位，微调光纤探头，选择两个视野进行观察并各记录10 min内GFP标记神经元的荧光信号的动态变化。使用IC-Viewer软件，可将记录到的数据以影像或图片格式导出。图2A和B显示的是从同一样本采集的两段数据中分别导出的时长为10 s的6张连续截图，在图中可观察到相应时间点处多个被GFP标记的脑内神经元的形态，神经元胞体的GFP荧光信号较明显。在记录的时间段内，GFP标记的神经元形态未见明显变化。
图 2. 利用光纤式在体式荧光显微镜连续观测大鼠大脑皮层表达绿色荧光蛋白(GFP)的神经元
探头式在体荧光显微成像技术是通过对微细光纤探头和激光扫描两个技术的组合，从而实现实时追踪记录动物体内信号动态变化过程的功能。而且，由于探头的直径仅650 μm且材质较柔软，可满足动物微创手术的要求。探头是由近3万根柔软的光纤组成的(图4)，其观测范围达600 μm × 500 μm， 轴向分辨率为15 μm，横向分辨率为5 μm，敏感性较高，因此可以在神经科学领域内用于动物脑内神经元信号的在体追踪记录。在体荧光显微成像技术通过488 nm的激光器激发，采集信号波段500~650 nm，采集频率为12 幅/s记录在体荧光影像。该仪器设备所采集的信号编码是13 bits，通过软件可以导出png、bmp、jpeg等多种格式的图片以及mpeg、mhd (raw format)等格式的影像。
探头式在体荧光成像技术因其实时采集图像信息的功能特点，结合图像分析软件，除了可以进行在体神经元的形态学实时观察，还可以对体内的快反应现象如钙离子流变化等进行动态数据采集，也可以对神经元以外的组织结构如血管指标等进行分析，甚至与在体的其它生理信息进行同步采集。配套使用相应的切口固定配件，可以完成动物清醒状态下的数据记录。另外，鉴于光纤式探头的激发波长为488 nm，在光遗传学研究中，也可用于精准定位激活ChR2光敏蛋白。 综上所述，光纤式在体荧光显微成像技术的引进，为我们技术平台的神经科学实验提供了更大的拓展空间。致谢：感谢复旦大学脑科学研究院神经药理实验室王云教授提供的帮助。参考文献
Jacobs RE, Cherry SR. Complementary emerging tech1 niques: high resolution PET and MRI. Curr Opin Neurobiol 2001; 11: 621–629.
Helmchen F, Denk W. New developments in multiphoton 2 microscopy. Curr Opin Neurobiol 2002; 12: 593–601.
Jung JC, Mehta AD, Aksay E, Stepnoski R, Schnitzer MJ. 3 In vivo mammalian brain imaging using one- and two-photon
图 3. 荧光显微镜拍摄的脑片样本中大鼠大脑皮层区GFP标记的神经元
图 4. 光纤视野投射图显示整个探头显示视野是由约3万株单根细小光纤整合而成
* * *
石 莹等：光纤式在体荧光显微成像系统动态观测活体动物脑内神经元 699
fluorescence microendoscopy. J Neurophysiol 2004; 92: 3121–3133.
Levene MJ, Dombeck DA, Kasischke KA, Molloy RP, Webb 4 WW. In vivo multiphoton microscopy of deep brain tissue. J Neurophysiol 2004; 91: 1908–1912.
Vincent P, Maskos U, Charvet I, Bourgeais L, Stoppini L, 5 Leresche N, Changeux JP, Lambert R, Meda P, Paupardin-Trutsch D. Live imaging of neural structure and function by fibered fluorescence microscopy. EMBO Rep 2006; 7(11): 1154–1161.
Paxinos G, Watson C. The Rat Brain in Stererotaxic Coordi6 nates. 4th ed. San Diego: Academic Press, 1999, 96–101.
Moriyoshi K, Richards LJ, Akazawa C,7 O’Leary DDM, Nakanishi S. Labeling neural cells using adenoviral gene transfer of membrane-targeted GFP. Neuron 1996; 16: 255–260.
Flusberg BA, Cocker ED, Piyawattanametha W, Jung JC, 8 Cheung ELM, Schnitzer MJ. Fiber-optic fluorescence imaging. Nat Methods 2005; 2(12): 941–950.
Davenne M, Custoday C, Charneau P, Lledo PM. 9 In vivo imaging of migrating neurons in the mammalian forebrain. Chem Senses 2005; 30(suppl 1): i115–i116.
|Translation - English|
(proprietary information omitted)
An application of the fibered fluorescence microscopy to continuously monitor the rat cerebral neurons in vivo
SHI Ying, CHEN Lu-Lan, JIANG Min*
Institutes of Brain Science and State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200032, China
Abstract: The aim of the present study was to establish an approach to continuously record fluorescent signals of rat cerebral cortical neurons in vivo, using the novel system composed of fibre-optic probe and fluorescence microscopy. To visualize cortical neurons, recombinant virus vectors carrying green fluorescent protein (GFP) gene were microinjected into cerebral cortex in Sprague Dawley (SD) rats. Seven days later, an imaging microprobe, composed of optical minifibres, was inserted into the microinjected region of the cerebral cortex. By using the fibered fluorescence microscopy, we observed fluorescent signals of cortical neurons transfected with GFP in living animals. In the brain slices from the microinjected region, the fluorescence signals of GFP were recorded using fluorescence microscopy, which confirmed the observation of the fibered fluorescence microscopy. The novel technology established in the present study maintains the physical condition of the experimental animal, and meets the demands of fluorescence micro-imaging in neural tissue in vivo. Application of this technology allows a direct and rapid approach to tracing fluorescent signals of neurons in living animals.
Key words: in vivo molecular imaging technology; green fluorescent protein; neurons
With the development of modern molecular biology techniques, animals in in vivo experiments have become an indispensable part of neuroscience research, this including the rapid development in recent years of live animal molecular imaging techniques.
Neuroscience experimental protocol often requires microscopic observation of the experimental animal's neuronal structure or neuronal growth migration record and this requires microscopic imaging equipment to carry out observation externally and within quite a large scope of the animal's neurons or under minimally invasive conditions, thus carrying out real-time internal observation and recording of the animal's neurons. In previous studies, due to limited instruments and equipment as well as hardware configuration and imaging resolution limitations, it was not possible to carry out in vivo microscopic fluorescence imaging of the brain tissue's neurons with optimal results. Observation methods used on the internal tissue of animals, including PET, MRI , and multi-photon microscopy imaging techniques , all entail certain limitations. Although PET enables structural observation on a millimetric scale, it entails relatively slow speeds when capturing images and MRI image resolution and signal acquisition speeds are significantly lower than those of fluorescence microscopy. Although multiphoton microscopes, on the other hand, have higher imaging resolution rates and image capturing speeds, their observable tissue depth is limited to a depth of to 500 μm in animal skin, and it is therefore difficult to observe the structure of the cerebral cortex of mammals in much depth. With the increasing requirements in scientific research, the gradient index lens began to be applied to the study of the in vivo cerebral cortex [3,4], and this technology can be used with minimal invasiveness by penetrating the in vivo animal by a few millimetres with single or dual-colour fluorescence microscopy imaging, whilst however, in accordance with research requirements, still maintaining a certain distance from the in vivo neural activity during real-time observation. Since none of these techniques can fulfil the requirements of microscopic imaging for the in vivo animal target areas, many experiment protocols must limit their fluorescence microscopy observation of local animal tissue to in vitro tissue sections.
Recently, our technology platform introduced probe-type equipment for fluorescence microscopy imaging . This equipment can, through a minimally invasive cut, incorporate 30 000 strands of flexible optic fibre probes placed inside the animal body's target area. Laser activation recording can then assess the area's fluorescent tag conditions and accomplish the intended purpose of the experimental observation. This paper aims to take advantage of the optic fibre in vivo fluorescence microscopy imaging system and establish the in vivo fluorescence microscopy continuous observation experiment methods for rat neurons.
1 Materials and methods
1.1 Animal Sprague Dawley (SD) adult male rats, weighing approximately 300 g (purchased at Shanghai SLAC Experimental Animal Limited Liability Company).
1.2 Main reagent pGC fu-RNAi-NC-LV recombinant viral carriers, containing only the green fluorescent protein GFP (Ubi-GFP, 5 × 109 TU / mL) (purchased from Shanghai Genechem Chemical Technology Co., Ltd.), OCT embedding medium (Leica, Germany).
1.3 Main instrument Rats 45 ° auricular stereotaxic apparatus (Steolting, USA), probe type in vivo fluorescence microscope (MKT, France), freezing microtome (Leica, Germany) and fluorescence microscope (Olympus, Japan).
1.4 Rat cerebral cortex micro-injections Rats were anaesthetized by intraperitoneal injection of 7% chloral hydrate (0.6 mL/100 g), and then fixed to a stereotaxic apparatus. After shaving with iodine and 75% alcohol for disinfection, a 1 cm long vertical incision at the top, with a cotton swab dipped in hydrogen peroxide to oxidise the periosteum, the front and back of the skull is exposed and marks are made. According to the Paxinos-Watson atlas , behind the anterior fontanelle 3.8 mm, side open 2.3 mm, depth 1.8 mm, to micro-inject the rat brain cortex location. Drill a vertical 0.5 mm diameter circular hole into the skull with an electric drill, use a micro-syringe to suck out the defined amount of Ubi-GFP, fix it on the designated location and insert it vertically by 1.8 mm until it reaches the parietal lobe and makes contact with the cortex (PtA) area, then inject the entire amount of the viral liquid by increments of 2 μL/10 min, the needle retention time being longer than 10 min. Slow injection from the syringe needle, suturing of incision and disinfection, intramuscular injection of penicillin to prevent infection. Conventional feeding of rats, followed by fluorescence observation 7 days later.
1.5 In vivo fluorescence microscopy imaging technique to observe rat cerebral cortex neurons 7% chloral hydrate (0.6 mL/100 g) is used and rats are anaesthetized by intraperitoneal injection, then shaven, then fixed in a stereotaxic apparatus. Early-phase exposure of skull hole and activation of in vivo fluorescence microscopy imaging recording system then takes place. Ajdustment of the in vivo fluorescence microscope diameter to 650 μm Proflex flexible fibre and insertion vertically into the rat's cerebral cortex, penetrating the meninges by 1.8 mm up to the PtA area's micro injection location, through the 488 nm laser activation, the acquisition signal band at 500 ~650 nm, the acquisition frequency of 12 / s is recorded in the in vivo fluorescence image (Fig. 1).
1.6 Frozen rat cerebral cortex section observation Excessive use of chloral hydrate aldehyde for intraperitoneal injections causes rats to die. After 4% poly-formaldehyde perfusion is fixed, remove micro injection area's brain tissue and commence gradient sucrose solution treatment.
Fig. 1. Schematic diagram showing observation of the cerebral neurons in vivo using the fibered fluorescence microscopy.
After OCT-embedding, freezing of sections takes place, section thickness 40 μm, using the fluorescence microscope (Olympus, BX51) for image acquisition.
2.1 Rat neurons in vivo fluorescence microscopy imaging
Through the in vivo fluorescence imaging system, it is possible to acquire the target position's fluorescent images of the fibre-optic probe in real time. Furthermore, it is also possible to carry out micro-injections to the target location in the cerebral cortex of the rat, fine-tuning of the optical fibre probe, selection of two fields of vision to carry out the observation as well as recording within of the GFP tagged neurons' fluorescence signal dynamic changes. Using IC-Viewer software, the recorded data can be exported by means of image or picture formats. Fig. 2A and B show 6 consecutive screenshots from a period of 10 s, derived from separately collected two-stage data. In the diagram, the shapes of multiple tagged neurons can be observed at the corresponding point in time, the neuron soma's GFP fluorescence signal is quite clear. No obvious changes were observed in the GFP-tagged neuron during the recording time.
2.2 Observation of frozen cerebral cortex tissue
sections of rat
In order to verify the GFP signals verified by means of the in vivo fluorescence microscope, comparison with the same injected area of the frozen slices of the rat's cerebral cortex tissue is made. The fluorescence microscope observation shows the presence of GFP tags in neurons of the cerebral cortex (Fig. 3).
Recombinant viral vectors containing GFP micro injection to a specific location of the animal's cerebral cortex and carrying out transfection to the micro-injected region's neurons can stably express GFP thereby facilitating the morphological observation of the target neurons . During this experiment, after the micro-injection of Ubi-GFP into the cerebral cortex area, after 7 days of transfection, GFP neurons in the target area displayed a definite expression. We refer to parts tagged with GFP neurons as observed objects, in carrying out the in vivo fluorescence observation.
Fig. 3. Fluorescent images of brain sections recorded by fluorescent microscopy showing neurons marked with GFP in rat cerebral cortex. Scale bar, 50 μm.
Fig. 4. Microphotograph showing the entire projecting view of imaging microprobe that is composed of around thirty thousand optical minifibers.
Probe-type in vivo fluorescence microscopy imaging technology is a hybrid of the two technologies of minute fibre optic probes and laser scanning technologies  in order to achieve real-time tracing recording of animals' internal signal trend change process features. Moreover, since the probe is only 650 μm in diameter and is made of softer material, it can satisfy the requirements for minimally invasive surgery on animals. The probe is composed of nearly 30,000 flexible fibres (Fig. 4 ), and this observation scope reaches 600 nm x 500 nm, with an axial resolution of 15 μm and a lateral resolution of 5 μm. It has a high sensitivity and can therefore be used for the in vivo tracing records of animal neuron signals . In vivo fluorescence microscopy imaging is carried out with 488 nm laser activation, acquiring signal band of 400~650 nm, acquiring frequency of 12 width / s recording in vivo fluorescence imaging. The signal encoding equipment acquisition is 13 bits and the software can export multiple formats such as png, bmp and jpeg, etc., multiple format pictures as well as mpeg, mhd (raw format), etc. format images.
Through in vivo fluorescence microscopic imaging technology, we can observe the morphology of the rat cerebral cortex GFP-tagged neurons in real time.
Consecutive screenshots within 10 s showed that, although physiological factors such as the live animals' breathing and blood vessel pulsation produced slight impacts on the stability of the images, the interception of the target neurons in a short period of time still produced relatively stable results, the fluorescence signals of neuronal somas are relatively clear, and it is very consistent with the related literature . This also suggests that the light during the recording process does not produce significant toxicity. The same frozen sections of the rat's cerebral cortex tissue were observed under a fluorescence microscope, the GFP-tagged neurons were observed, and then the in vivo fluorescence microscopy imaging techniques were further confirmed and the objectives were accomplished effectively. The above results show that the probe-type in vivo fluorescence microscope can stably record the neuronal morphology within a certain field of vision over a specific period of time and because of this it can be combined with stereotaxic techniques for the study of neuronal development and neuron migration observation methods.
Probe-type in vivo fluorescence imaging technology, because of its real-time acquisition of the special features of image data, combined with image analysis software, in addition to making the real-time observation of neuronal morphology possible, is also capable of acquiring and analysing data at high speeds during the fast-reaction phenomena of the body, such as calcium ion flow changes . Apart from the neurons, it can also be used to carry out analysis of other tissue structures such as blood vessels, and can even carry out in vivo physiological synchronous information acquisition. Supporting the use of the the corresponding incision accessories, data records can be completed while the animal is awake. In addition, in view of the optical fibre probe activation wavelength of 488 nm, in optogenetics research, it can also be used for precise position activation of the ChR2 photosensitive protein. In summary, the introduction of optic-fibre in vivo fluorescence microscopy imaging technology has provided our technology platform's neuroscience experiments with more space to develop.
* * *
Acknowledgements: Thanks to Fudan University Brain Science Institute Neuropharmacology Laboratory of Professor Wang Yun for its help.
1 Jacobs RE, Cherry SR. Complementary emerging techniques: high resolution PET and MRI. Curr Opin Neurobiol 2001; 11: 621–629.
2 Helmchen F, Denk W. New developments in multiphoton microscopy. Curr Opin Neurobiol 2002; 12: 593–601.
3 Jung JC, Mehta AD, Aksay E, Stepnoski R, Schnitzer
MJ. In vivo mammalian brain imaging using one- and two-photon fluorescence microendoscopy. J Neuro-
physiol 2004; 92: 3121–3133.
4 Levene MJ, Dombeck DA, Kasischke KA, Molloy RP, Webb WW. In vivo multiphoton microscopy of deep brain tissue. J Neurophysiol 2004; 91: 1908–1912.
5 Vincent P, Maskos U, Charvet I, Bourgeais L, Stoppini L, Leresche N, Changeux JP, Lambert R, Meda P, Paupardin- Trutsch D. Live imaging of neural structure and function by fibered fluorescence microscopy. EMBO Rep 2006; 7(11): 1154-1161.
6 Paxinos G, Watson C. The Rat Brain in Stererotaxic Coordi-
nates. 4th ed. San Diego: Academic Press, 1999, 96–101.
7 Moriyoshi K, Richards LJ, Akazawa C, O’Leary DDM, Na- kanishi S. Labeling neural cells using adenoviral gene trans- fer of membrane-targeted GFP. Neuron 1996; 16: 255–260.
8 Flusberg BA, Cocker ED, Piyawattanametha W, Jung JC, Cheung ELM, Schnitzer MJ. Fiber-optic fluorescence imag- ing. Nat Methods 2005; 2(12): 941–950.
9 Davenne M, Custoday C, Charneau P, Lledo PM. In vivo
imaging of migrating neurons in the mammalian forebrain. Chem Senses 2005; 30(suppl 1): i115–i116.
|Chinese to English: Langchuang Ltd. Cooperation Proposal for ABB|
General field: Marketing
Detailed field: Business/Commerce (general)
|Source text - Chinese|
INITIAL ENGLISH TRAINING PROPOSAL
英 语 培 训 初 案
ABB Jiangjin Turbo Systems Company Limited
重 庆 朗 创 教 育 咨 询 有 限 公 司
Chongqing Langchuang Education Consulting Co., Ltd
31st Aug 2010
2.培训频率: a. 一周两次，每次2小时；
|Translation - English|
1. Langchuang’s Unique Characteristics
2. Training Outline
3. Training Process
4. Regulations of Training Process
Follow-Up Progress Assessment
5. Training Goals
6. Performance Evaluation
7. Training Recommendations
Suggestions for Improvement
Scheduling and Grade Assessment
8. Scheduling and Grade Assessment
10. Trainer Allocation
1. Langchuang’s Unique Characteristics
Langchuang is a professional enterprise focused on corporate and business English training.
Langchuang caters all its training courses to suit clients’ requirements and optimize their progress.
Langchuang places strong focus on the effective execution of its methodology.
Langchuang emphasizes improving the practical linguistic competence of its clients.
2. Training Outline
3. Training Process
4. Regulations of Training Process
6. Performance Evaluation
In order to obtain the best results, we carry out a 3-faceted evaluation process.
I. Trainee Performance: Our company generally employs two methods in assessing trainees’ results obtained through training:
a) TOEIC assessment through test questions which is already being used as a tool on a large scale by a wide range of foreign-owned corporations in order to assess the English proficiency levels of their respective employees (suitable for trainees with a good foundation in English).
b) Two separate tests set by our company in order to assess trainees’ test performance and training progress.
II. Trainer assessment (detailed assessment conducted by trainer)
III. Project consultant follow-up
We are committed to following the trainer and trainee assessment system as stipulated in the contract and if we fail to meet this target, we will make adjustments in order to maintain client satisfaction.
7. Training Recommendations
I. Initial Summary
In the past few years we have been fortunate to have had the opportunity to conduct your company’s English language training and thus, through several years of pleasant cooperation, we have become acquainted with most of your company’s staff and have noticed that the reason for less than ideal results in the cases of some students can be attributed to the some of the following factors:
a) Lack of confidence, shyness and fear of speaking;
b) Limited vocabulary;
c) Lack of grammatical proficiency
d) Upon reaching the final stages of the training courses, students sometimes begin to feel somewhat fatigued and thus their enthusiasm decreases.
II.Recommendations for Improvement
A. For the purposes of the upcoming course, we have adopted a new system of “speech duty” by means of which, in each lesson, 3 to 5 minutes is spent on listening to short speeches given by students in order to raise their confidence levels in spoken English. The content for these speech assignments is as follows:
Initial phase of the course: Self-selected topics, e.g.: one’s own life, favorite films, description of work day, etc.
Mid- and end-term phases: Topics selected by trainer with emphasis on working environment.
B. During each lesson, the trainer will have the following requirements from the trainees:
a) Vocabulary spelling listening exercise: Each lesson will require trainees to learn 10 to 15 new vocabulary items as this is a fundamental part of improving the trainee’s foundation in English;
b) Mastering definite sentence patterns or grammatical points through usage;
c) Mastering of 2 definite phrases or common usage items such as idioms, etc. in order to widen the trainees’ scope of knowledge in English usage.
C. Sustained raising of trainees’ interest
a) The trainer will focus on creating an atmosphere in order to enable the trainees to be able to better practice and will use roll-playing activities and exercises in conducting lessons;
b) The trainer will frequently divide the trainees into groups and encourage them to compete in specially-designed exercises in order to improve their skills through teamwork as well as increase their enthusiasm;
c) During the training sessions, the teacher may prepare certain multimedia materials and circumstantial simulations on conversations in the business environment or short foreign films for discussion in class.
D. Consolidation of Knowledge Outside the Classroom
a) After each class homework assignments will be given in order to consolidate the trainees’ knowledge of the material covered during the lessons.
b) There will be an average of 1 email exchanged between students and teachers every 4 lessons.
c) It will be recommended to trainees that they should establish practice groups as far as possible within their respective departments in order to benefit from after-class practice.
8. Scheduling and Grade Assessment
1. Training method: Group classes
2. Training frequency: a) Twice a week, two hours each time
b) Communication through email once a week
3. Training location: The company’s training room
4. Class grading: Trainees will be divided into three classes according to their respective proficiency levels: Beginner, intermediate and advanced levels.
5. Course structure: 60% teaching material content and 40% spent on work-related material
a) 60% Teaching Material Content:
Before the commencement of the course, we will conduct an exhaustive assessment on trainees’ vocabulary, grammar, pronunciation, fluency and written, etc. skills. Upon completion of the assessment, we will evaluate and consider all aspects of trainees’ abilities and respective proficiency levels as well as the HR department’s requirements and decide upon a suitable teaching syllabus text book for the purpose of conducting the course.
b) 40% Work-Related Topics
During the training our trainer will collect and prepare a large amount of materials related to business English and gradually impart this material to the trainees, thus familiarizing them with its usage and enable them to utilize it immediately in their working environments whilst simultaneously building up their confidence in so doing.
Secondly, the trainer will gather information regarding the trainees’ requests regarding their respective departments and positions and will address these gradually during the lessons. For example: the HR department’s correct form of written correspondence, the most suitable vocabulary used for the financial department’s reports, the technology department’s field-specific terminology, etc. in order to enable the staff members of different departments to learn and master the English skills necessary for their own respective responsibilities at work.
1. After completion of the assessment, the trainer will submit the teaching syllabus for the course to be taught and thus allow the company to better understand the scope and related issues of the course.
2. After the actual commencement of the course, a consultant will send a lesson plan of each lesson to the trainees as well as the HR department in order to enable trainees and to understand and prepare for each lesson in advance.
3. Every month, the course consultant will send a written report to the HR department. The report will include information relating to the course progression, student attendance records as well as homework completion, etc. in order to allow the HR department to conveniently have access to course progression information at any time.
4. The course consultant will audit classes at least 8 times during the course in order to supervise the trainer’s teaching methods as well as gather feedback from the trainees in order to be able to solve potential problems as soon as they may arise.
5. In the case of students whose absence rate is above normal or who find their studies to be exceedingly difficult, the course consultant will immediately inform the HR department of this by email in order to mutually decide upon the best solution for such cases.
6. During the mid-term phase of the course, there will be a mid-term assessment test. The test will include an oral section, a section to test listening ability as well as a general ability section. We will submit a written mid-term report to the HR department of your company.
7. During the graduation ceremony, certificates with summaries on student performance, etc. will be issued.
8. At the end of the course, we will submit written student records as part of our feedback to your company. The records will include information regarding student attendance, homework completion, behavior during class, performance during the training course as well as the end-term assessment and, in addition, will include recommendations for future courses.
10. Trainer Allocation
1. Before the commencement of the training, the company’s HR department and/or manager(s) in charge of training can make recommendations regarding your company’s trainer-related requirements. In addition, before the commencement of the course we will provide a free 2-hour consultation meeting in which teacher- and student-related issues as well as company expectations can be discussed. During this consultation meeting trainees will also be able to ask the trainer questions regarding the details of the course to be conducted.
2. It is recommended that students at the beginner and intermediate levels are taught by a native Chinese trainer as students at this level of proficiency are not yet advanced enough to keep up under the tuition of foreign trainers and native Chinese trainers are more apt to understand the difficulties commonly encountered by Chinese students and thus ensure faster progress.
3. It is recommended that students in the advanced level are taught by a foreign expert trainer as students at this level already have a definite foundation in English and require more than simple textual and conversational coaching and furthermore would benefit more from learning English through the medium of English.
11. Appendix: Langchuang’s Clientele
Lafarge Cement Ltd.
Chongqing Tenghui Special Cement Co., Ltd.
Chongqing New Concept Building Materials Co., Ltd.
Lafarge Fulin Cement Co., Ltd.
Chongqing Yonggu Building Materials Co., Ltd.
Chongqing Yonggu Hunningtu Concrete Co., Ltd.
Chongqing Weichai Power Co.
Chongqing Xinfu Food Products Co., Ltd.
SAIC FIAT Hongyan Motor Co., Ltd.
Webasto Car Roof Systems (Chongqing) Co. Ltd.
Chongqing Duke Pressure Seals Co., Ltd.
Changan Automotive Engineering Research Institute
Chongqing Huarong Property Development Co., Ltd.
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I am a highly-qualified international translator and have been certified for proficiency at court-level interpreting and translation in seven different languages: i.e. English, Chinese (Mandarin), German, French, Spanish (Castilian standard), Japanese and Afrikaans.
I have 3 and a half years experience of court interpreting and 10 years experience as a text translator in the above-mentioned languages.
Please contact me for a quotation on your translation project.
Looking forward to your correspondence and our cooperation.
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