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Because of long time exposure and possible production of secondary organic aerosols from reaction between limonene and oxidant so in this essay I choose limonene as a target pollutant in this study.

长时间的暴露加上柠檬与氧化物质反应产生次级气胶的能力很强,所以本实验选择柠檬当作目标污染物。

In the coupling reaction of 4 with 2-methyl-1-buten-3-yne the four- membered ring ligand is transferred to enyne to give the substituted eta3-butadienyl complex 5 containing the cyclobutenonyl group.

在4与2-甲基-3-炔-1-丁进行偶合反应后,四环结构仍然稳固存在,并转移到缺上形成一个含有四环结构的错合物5。

This invention provides compounds of Formula; wherein: R is a moiety selected from the group: and n is an integer of 1 or 2; R is selected from hydrogen, amino,-NRR, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, alkynyl of 2 to 12 carbon atoms optionally substituted, halogen, and a 5 to 10 membered heteroaryl ring optionally substituted, having 1 to 4 heteroatoms independently selected from N, O and S; R is selected from hydrogen, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, vinyl, alkynyl of 2 to 12 carbon atoms optionally substituted and halogen; R is H, alkyl of 1 to 12 carbon atoms optionally substituted, cycloalkyl of 3 to 8 carbon atoms, bicycloalkyl of 5 to 10 carbon atoms or aralkyl optionally substituted; R is OH or -OH; R and R are each independently H or alkyl of 1 to 12 carbon atoms or when optionally taken together with the nitrogen atom to which each is attached form a 3 to 8 membered saturated heterocyclyl ring; R is alkyl of 1 to 12 carbon atoms optionally substituted; or a tautomer or pharmaceutically acceptable salts thereof.

本发明提供式的化合物;其中:R 1 为选自基团和的部分;n为整数1或2;R 2 选自氢、氨基、-NR 6 R 7 、具有1到12个碳原子的视情况经取代的烷基、具有6个、10个或14个碳原子的视情况经取代的芳基、具有2到12个碳原子的视情况经取代的基、具有2到12个碳原子的视情况经取代的炔基、卤素和具有1到4个独立地选自N、O和S的杂原子的视情况经取代的5元到10元杂芳基环;R 3 选自氢、具有1到12个碳原子的视情况经取代的烷基、具有6个、10个或14个碳原子的视情况经取代的芳基、具有2到12个碳原子的视情况经取代的基、乙基、具有2到12个碳原子的视情况经取代的炔基和卤素;R 4 为H、具有1到12个碳原子的视情况经取代的烷基、具有3到8个碳原子的环烷基、具有5到10个碳原子的双环烷基或视情况经取代的芳烷基;R 5 为OH或-OH 8 ;R 6 和R 7 各自独立地为H或具有1到12个碳原子的烷基,或当视情况与其所连接的氮原子连接在一起时形成3元到8元饱和杂环基环;R 8 为具有1到12个碳原子的视情况经取代的烷基;或其互变异构体或医药学上可接受的盐。

Various inorganic acid, such as ammonium chloride, copper sulfate, aluminum sulfate, mercury chloride, cerium sulfate and cerium chloride, have been evaluated for copper powder, zinc powder, or tin powder-mediated allylation reactions of carbonyl compounds with allyl bromide in aqueous medium.

结果表明:在同样的反应条件下,与铜粉或锌粉作用的此类反应相比,锡粉能更好的作用羰基丙基化反应,并且该反应的产率都比较高;在同样的金属促进剂存在下,硫酸亚铈的促进性能是所有无机酸中最好的。 2、研究了二氧化碳促进羰基化合物丙基化反应。

Olefin metathesis opens up new industrial processes for the production of important olefins in the field of petrochemicals.

烃交叉复分解反应作为石油化工领域一种重要过程,为各种单烃间的互相转化提供了一条有效的途径。

Propylene production methods including olefin metathesis and catalytic cracking were introduced.

介绍了烃经歧化反应和催化裂解生产丙的方法,列举了国内外各大化工企业在该领域的研究及应用状况。

The catalytic performance of complex 41 has been investigated.Complex 41 proves to be an excellent catalyst for cross metathesis reaction of 1-butenewith isomerized octadecene.

研究了配合物41催化的1-丁与异构化后十八的交叉交互置换反应,证明配合物41是性能优良的催化剂。

The influence of the amount of catalyst, reaction temperature, molar ratio of β-methylnaphthalene and olefins, reaction time and the amount of solvent has also been studied in detail.

详细考察了三氯化铝催化剂用量、反应温度、芳物质的量比、反应时间及溶剂用量对β-甲基萘与长链烃烷基化的影响。

The results showed that enhancing monomolecular reactions could be favorable for increasing the propylene content in LPG, but the dry gas yield increased significantly.

结果表明,强化单分子反应有利于液化气中丙含量的提高,但干气产率也会同时增加;而一定程度上促进双分子反应,尤其是负氢离子转移反应的发生有助于抑制干气的生成,但程度太高时却不利于丙的生成。

Phosphoglycerate is converted to 2-phosphoglycerate by phosphoglycerate mutase.

2-磷酸甘油酸在醇化酶的催化下生成磷酸醇式丙酮酸。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。