• On large scales - at the scale of the solar system or of the universe itself - the equations of general relativity yield a value of G that tallies with observed behaviour.

    数量级尺度上——如太阳系宇宙本身——广义相对论方程得到G观测相符

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  • Shi C. H. , R. W. Du, D. W. Lin, W. G. Zhang and Z. T. Shen, A new indica rice variety Zhe-Nong 8010 with disease resistance, high quality and yield.

    石春海、杜如伟、林大为、章旺根申宗坦优质高产抗病早籼品种浙农8010的选育利用。

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  • The paper studies the effects on the yield of the various factors e. g. reaction temperature, time, catalyst rate, etc.

    文中研究反应温度时间催化剂用量等因素收率影响

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  • Penicillin G potassium salt can be oxidized by Hydrogen Peroxide or Peracetic acid to give sulfoxide with a yield of 91.5%.

    青霉素G为原料,分别采用过氧乙酸双氧水作氧化剂合成青霉素G收率可达91.5 %。

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  • The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.

    四丁基溴化铵四乙基溴化铵催化效率相当;采用2相转移催化剂的催化效率大于采用4克催化剂的催化效率;随高锰酸钾用量增加而增加

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  • According to mine inflow point location and water yield, water rich zone in front of roadway checked out by transient electromagnetic method adopted a water control scheme of shallow g...

    基于位置出水量,以及瞬变电磁法确定巷道前方区域情况,确定了采用浅层注浆法封堵的治水方案

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  • The yield and morphology of gold nanoparticles were affected by the time of UV irradiation and the amount of DMF. It is useful to enhance optical and electrocatalytical responses of functionalized g

    实验结果表明,紫外光照作用光照时间DMF用量影响纳米形成形貌主要因素,选择适宜的合成条件可以得到粒径均匀、 分散性好的纳米金溶胶。

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  • The yield and morphology of gold nanoparticles were affected by the time of UV irradiation and the amount of DMF. It is useful to enhance optical and electrocatalytical responses of functionalized g

    实验结果表明,紫外光照作用光照时间DMF用量影响纳米形成形貌主要因素,选择适宜的合成条件可以得到粒径均匀、 分散性好的纳米金溶胶。

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