Home Random Page


CATEGORIES:

BiologyChemistryConstructionCultureEcologyEconomyElectronicsFinanceGeographyHistoryInformaticsLawMathematicsMechanicsMedicineOtherPedagogyPhilosophyPhysicsPolicyPsychologySociologySportTourism






VII. Error correction.

Currently most of scientific publications are written in the English language by non-native speakers of English, therefore there are often grammar, lexical and stylistic mistakes in these articles. Fortunately, these errors are not so bad as to impede understanding and communication.

Rewrite the following sentences using ‘ a better English’:

1. These batteries apply the technology we have developed by 2020.

2. The electrode is twice the thickness of conventional batteries.

3. The amount of lithium-ion’s available for charging is increased.

4. We have developed a technique for strongly binding silicon materials the electrode.

5. We have found the decision of the problem.

6. This technology doubles electric vehicle driving range.

 

 

VIII. EST( English for Science &Technology) Sentence structure: Academic ( especially scientific) texts contain many examples of complex noun phrases. Often these take the form of a noun followed by a prepositional phrase beginning with ‘of’. By way of example, compare the following two sentences:

 

Plastics were mass produced beginning in the 1950s, so… (verb)

Mass production of plastics began in the 1950s, so… ( noun phrase)

Note: The verb ( were mass produced) becomes a noun ( mass production) followed by “of”.

Exercise. Rewrite the following sentences from the abstract, changing the verbs into complex noun phrases.

1. Anode materials are based on silicon________________________

2. Vehicles are friendly to the environment____________________

3. Silicon materials are strongly bound to the electrode____________

4. The time of the life of a battery was extended___________________

5. Electrode structure was visualized in three dimensions by a special technique ________

6. Lithium-ion batteries are highly dense with energy and power____________-

 

IX. Complete the sentences with the words from the box. Some are taken from the text, but not all of them.

positive; negative; oxidation; R&D; lifespan; reduction; lithium-ion; discharging; conventional; 3D-visualization; expand; energy density; material; verification

1. The amount of energy per unit volume is called………

2. Anode is …………..terminal where electrons leave and ………………occurs.

3. The part of a battery where electrons enter and thus ………….occurs is called………………

4. Cathode is a ………. electrode .

5. The better distribution of the active ………………. within the electrodes was achieved by using a ……………..technique.

6. A problem with using silicon-based materials is that the particles ………….…. and contract in the repeated cycles, which results in separation of the particles and a reduction of battery ………………....

7. …………………….……testing involved 50 charge-discharge cycles.

8. Latest ………………... batteries have much higher energy density than legacy battery chemistries and longer run time.

9. ……………………………. stands for research and development.

Comprehension exercises.



X. Work in your teams of three. Each team member reads one section of the letter on order to formulate the main idea and to tell it other team members.

Student 1: Introduction: electric vehicles hold promise……

Student 2: (1) technology for higher energy density and higher power density.

Student 3: Technology for higher energy density and longer service life.


Date: 2016-03-03; view: 1054


<== previous page | next page ==>
II. Match the words with their synonyms | XI. In pairs retell the article using a figure and key words as a support ( or do it in writing).
doclecture.net - lectures - 2014-2024 year. Copyright infringement or personal data (0.01 sec.)