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1.12 g of KHP required 34.38 mL of an approximately 0.3 m NaOH solution in an acid/base titration to reach the equivalence point. What is the exact molarity of the NaOH solution? The equivalence point is the point in a titration at which the added ...
But the previous volume 5 of this monograph has proven that this official science is in a shocking error already from very foundations of it - means from the understanding of gravi... DJ Pajak 被引量: 0发表: 0年 What Controls Regiochemistry in 1,3-Dipolar Cycloadditions of M眉nchnones ...
little [ˈlɪtl] 极少量的 keep on [ki:p ɔn] 保持 practise [ˈpræktɪs] 练习 sometime [ˈsʌmtaɪm] 某个时候 each other [i:tʃ ˈʌðə(r] 互相,彼此 chemistry [ˈkemɪstri] ...
TL;DR (Too Long; Didn't Read) The more limited and older definition was that a base is a substance that dissolves in water and dissociates into a hydroxide or OH-ion and a positive ion. In the more general definition, a base is a substance that when dissolved in water increases the ...
有心绞痛者心肌侧支循环比较丰富，这显示心绞痛或心肌缺血可以促进侧支循环的形成，从而对冠心病人具有保护作用。运动可以诱发心肌缺血，因而许多冠心病患者不敢运动或许多医生也警告患者避免运动。但运动有可能通过诱发可逆性心肌缺血，促进侧支循环的形成，增加心肌自我保护...
aCNS prophylaxis is usually not a part of adult protocols. CNS预防通常不是成人协议的部分。[translate] a因为我想更多地发挥自己的才能 Because I want more to display own ability[translate] aThese investigators noted that Cs, Tl, and Rb are effective promoters for 1, 3-butadiene epoxidation, but...
Titration is a common analytical method in chemistry laboratories. Most students have to do at least one acid-base titration in the lab before they graduate, and phenolphthalein is usually the indicator they use. Although it may sometimes feel like a tedious task, this procedure can reveal the ...
aNina Hartley And John Leslie In Ball Busters Nina Hartley和约翰Leslie在球钉头切断机 [translate] aIf I can't help you , at least with you .Even if it is not talking , just sitting tlere . 如果我不可帮助您,至少与您。即使它不谈话,正义坐的tlere。 [translate] a无法置信 正在翻译,请...
RESEARCH PROFILE - What's that smell? The sense of smell is difficult to mimic. Researchers have tried to reproduce the biological response in the lab by creating artificial olfactory sensors f... C Piggee - 《Analytical Chemistry》 被引量: 0发表: 2008年 ...