21. aware of 意识到;知道22. endanger vt. 使遭受危险;危害23. average n.平均数;平均水平;/adj. 平均的;正常的;普通的24. on average 平均25. prince n. 王子;王孙;亲王26. make progress 取得进步27. concern vt. 涉及;让……担忧...
This rate of reaction can be measured in the dark by determining the amount of oxygen gas consumed in a period of time. 不知道嗎? 本學習集中的詞語(33) Which of the following processes is illustrated by the downward arrows from the atmosphere that show the conversion of nitrogen gas into ...
The team discovered that within minutes of sensing the sound waves of nearby bee wings, the concentration of the sugar in the plant’s nectar was increased by an average of 20%. The low-frequency sounds that closely matched the recording of buzzing bees were enough to change the mix of the...
Therefore the temperature will decrease with radial position , i.e.,with the distance from the centerline of the pipe . 因此沿径向 方向也就是说随离管道中心线距离的增大, 温度降低。 Then , since the reaction rate increases with temperature , it will be higher at the center ,where the ...
SI Units for PostgreSQL. Contribute to df7cb/postgresql-unit development by creating an account on GitHub.
9、 use the following scale to evaluate the level of stress in your life,b r _ 2_number of,6 - 20 high stress 3 - 5 average stress 0 - 2 low stress,b r _ 3_1,warm-up questions,listen to the following short passage and discuss the questions,now psychologists look at our view ...
公开/公告日期: 1977-12-07 申请(专利权)人: HITACHI LTD 发明人: S Tsuneo 摘要: PURPOSE:To make possible automatic operation for enzyme activity value by converting analog signal, which represents activity value of enzyme, into digital signal that is then inverted, printed and recorded.收藏...
temperature = average kinetic energy of molecules; heat = thermal energy transferring from one body to another Specific Heat amount of heat that must be absorbed or lost for 1 g to be raised/lowered 1 degree C Heat of Vaporization quantity of heat a liquid must absorb for 1 g to be conve...
(SAHN). Among this class of methods there are subclasses (e.g., single linkage, complete linkage, and average linkage), which in turn have variations (Sneath and Sokal, 1973). The phenograms produced by SAHN algorithms aredendrogramsand thus strictly hierarchical and lacking reticulations,...
The MCNP 6.2 event-by-event transport of electrons has been used for the first time to simulate energy imparted in low-density objects corresponding to nanometric unit-density objects. It is shown that the isolated atom assumption and the use of an average excitation energy based on stopping po...