解析 Bywhomwaselectricitydiscovered?【答案】By whom was electricity discovered?【核心短语/词汇】electricity:电【翻译】谁发现了电?【解析】被动语态的构成是be+动词的过去分词,本题中,被动语态的主语是electricity,谓语是was discovered,by whom放在句首,首字母大写,所以答案是By whom was electricity discovered?
In 1831, Michael Faraday discovered electromagnetic induction and created the first electric generator. This is arguably the greatest discovery of the electrical age as mechanical energy could now be converted into electricity. Today, power plants—whether using coal, natural gas, nuclear, or wind—...
He stressed that we still understand little about the new variant, discovered by South African scientists last week, and that it was best to be cautious while its characteristics are researched. Some nations, including Japan and Israel, have announced they are banning all foreign travelers. “We ...
At first, I simply thought travelling as a way to have something to look forward to after exams, but I soon discovered how important it is ___ (travel). On my travels I have the chance to experience new cultures through the art, history, language and food. Also, I have the chance t...
They discovered a geological bend in a riverbed that indicated an underlying oil field. Further exploration was put on pause during the war, but in 1948, a test drill hit oil. This was the beginning of a series of discoveries about the Ghawar Field, which would turn out to be the ...
Nature is a coy mistress, yet she likes to be wooed, and to the diligent suitor gives occasional tokens of encouragement; and it happened that one day I surprised her in secret, and discovered the way by which we may abandon even combustion and heat itself, and convert the stored-up ene...
modern neon and florescent lights. He constructed these lights, elongated glass tubes filled with gas and coated with phosphor, excited in his high voltage experiments. He also discovered that high voltage current could be made harmless by using an alternating current scheme at very large ...
Notably, they discovered that energy-efficiency standards and feed-in tariffs are the two most common strategies for promoting renewable energy sources. Echoing this approach, Chowdhury et al. [20] analyzed the development of the photovoltaic (PV) sector in Japan and Germany from 1990 to 2011. ...
it is impossible to escape the conclusion that countries with highest level of renewable penetration have the highest residential electricity prices and that it is highly likely that these high prices are caused by, to a greater or lesser extent, the high level of RE penetration. These and relat...
clustering techniques to detect and prevent electricity theft in SG and AMI. This study further discovered that a majority of the journals that address the issue at hand are from the Institute of Electrical and Electronics Engineers (IEEE). However, the lack of publications of non-SG and AMI ...