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Using the diagram describe the general principle of electrical survey.

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(a) an ore deposit (b) natural ground currents. (с) buried electrodes (d) millivoltmeter    

66. You are going to make a short research project. You should spend 5 -15 minutes to examine “ Electrical survey ” from each of the following aspects. The results of your research should be arranged in your report.

· Describe it (What does it look like? What is it?);

· Compare it (What is it similar to? How does it differ from magnetic or gravity survey?);

· Analyze it (What is its principle? What types are there? What components does it include? What devices are necessary?);

· Apply it (What can you do with it? What can you use it for?);

· Argue for or against (Take either positions. Give reasons);

· Associate it (What do you associate it with? What does it remind you of?);

 

Comment on the following statements.

1. “Pain reaches the heart with electrical speed, but truth moves to the heart as slowly as a glacier”. Barbara Kingsolver

2. “All I know about thermal pollution is that if we continue our present rate of growth in electrical energy consumption it will simply take, by the year 2000, all our freshwater streams to cool the generators and reactors.” David R. Brower

3. “The number of electrical injuries cared for in hospitals in the US is estimated at as many as 50,000; the cost of these injuries on the US economy is estimated at over one billion dollars per year.” Richard Neal

4. “I am an expert of electricity. My father occupied the chair of applied electricity at the state prison.” W. C. Fields

5. “People always fear change. People feared electricity when it was invented, didn't they? People feared coal, they feared gas-powered engines. There will always be ignorance, and ignorance leads to fear. But with time, people will come to accept their silicon masters.”

Bill Gates

6. “And God said, 'Let there be light' and there was light, but the Electricity Board said He would have to wait until Thursday to be connected.” Spike Milligan

7. “We believe that electricity exists, because the electric company keeps sending us bills for it, but we cannot figure out how it travels inside wires.” Dave Barry

8. “Electricity can be dangerous. My nephew tried to stick a penny into a plug. Whoever said a penny doesn't go far didn't see him shoot across that floor. I told him he was grounded.” Tim Allen

9. “What is a soul? It's like electricity - we don't really know what it is, but it's a force that can light a room”. Ray Charles

WORDLIST

ENGLISH RUSSIAN
air gun array расстановка пневмопушек
alternating current переменный ток
anomaly аномалия
array ряд, серия
assumed допускаемый, предполагаемый; искусственный
astatizing астатизированный
audio-frequency низкочастотный
bar брусок \ плитка
base station опорный пункт
be superimposed upon быть наложенным на
beam брус, балка \ коромысло
bipolar двухполюсный, биполярный
closure герметизация; купол
current generator генератор тока
curvature выгиб, изгиб, искривление
depth value значение глубины
dipping formation наклонное образование
discrepancy разница
disintegration расщепление, распад; разделение на части
downward propagation нисходящее распространение
electrode spacing расстояние между электродами
eliminate (v) аннулировать, устранять
emission characteristic эмиссионная характеристика
equipotential line эквипотенциальная линия
external circuit цепь внешней нагрузки
fault разлом
fence забор, изгородь
field intensity напряженность поля
flux line / line pf flux линия (магнитной) индукции, линия потока
formation boundary граница пласта
formation waters пластовые воды
frequency band полоса частот
galvanic гальванический
gravimeter гравиметр
gravitational attraction гравитационное притяжение
ground current ток в земле
handicap помеха
helical spring винтовая пружина
hinged beam шарнирно-опертая, балка
induce (v) вызывать
inductive индукционный \ индуктивный \ побуждающий
inductive coupling индуктивная связь
insulated loop замкнутый профиль
inverted position перевернутая позиция
land survey наземная съемка
latitude широта
magnetic doublet магнитный диполь
marine survey морская съемка
mechanical stress механическое напряжение
milliammeter миллиамперметр
mount (v) устанавливать
observation time время наблюдения
oil exploration нефтеразведка
pendulum маятник
penetrate (v) проникать (внутрь)
placer прииск, россыпное месторождение
plausible assumption правдоподобное допущение
point electrode точечный электрод
potential difference разность потенциалов
potential drop падение напряжения; разность потенциалов
potential profile профиль распределения потенциала, потенциальный рельеф
potential-drop-ratio method метод отношения градиентов потенциала
primary circuit первичная цепь
pull of gravity величина тяготения
qualitative качественный
quantitative количественный
quantity количество
radiate распространяться
radio frequency высокая \ радио частота
reflection seismology сейсморазведка методом отраженных волн
refraction seismology сейсморазведка методом преломленных волн
remanent остаточный, реманентный
resistivity method каротаж методом сопротивления
restoring force возвращающаяся сила
rod стержень \ рейка
salt dome соляной купол
self-potential method метод естественного электрического поля
solution pressure упругость растворения
source energy источник энергии
spring force жесткость пружины \ сила сжатия пружины
stake веха, подпорка, столб
steeply dipping крутопадающий
stratified слоистый
strike зд. пласт
structural uplift структурный подъем
supply доставлять, подавать
surface potential method метод поверхностного потенциала
suspension wire несущий трос
taut тугонатянутый
terrain топография \ физические особенности местности
thumping device устройство падающего груза
torsion balance крутильный динамометр \ весы
transmitter отправитель, передатчик
unpolarizable неполяризованный
wet cell наливной элемент

 

UNIT 3


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Читайте в этой же книге: Read the texts about three different oil companies and do the exercises. | Read the words, remember the pronunciation. | HEALTH, SAFETY AND ENVIRONMENT | Objects of Geophysical Surveys | Read the following expressions and equations. | Geophysical Prospecting for Oil | Using the diagram describe the general principle of gravity survey. | Magnetic Methods | Give the explanation to the following diagram. | Reflection Seismology |
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