氧化合物

A kind of intramolecular charge transfer compound——3 methoxy 4' N,N dimethylamino flavone derivateves was used to detect collagen association in aqueous solution.

利用一种分子内电荷转移化合物3-甲氧基-4'N，N-二甲氨基黄酮作为荧光探针，研究了胶原蛋白在水溶液中的聚集状态。

Three new chromophores and 4 nitro benzoic acid 2 {4 [2 (4 dimethylamino phenyl vinyl] phenyl} ethylamino ethyl ester have been synthesized and the structures have been characterized by 1H NMR, IR and elemental analyses.

作者中文名：延云兴；陶绪堂；杨家祥；王东；于晓强；赵显；蒋民华摘要：合成了反式-4-[N-(乙氧基羰基-4-硝基苯基)-N'-乙基氨基]-4'-二苯乙烯和三个新有机化合物。

The electrocatalysis for oxygen reduction reaction has recived much attention in the researches on chemical modified electrode.

醌类化合物修饰电极具有的明显的电催化氧还原活性，引起了电化学工作者的广泛研究。

Scavenging activities of seven natural flavonoids from elsholtzia bodinieri vaniot and artemisia ordosica kraschen for superoxide anion radicals was studied by single-sweep oscillopolarography.

用单扫描示波极谱法研究了从东紫苏和黑沙蒿中分离出的七种黄酮类化合物对超氧阴离子自由基的清除作用。

In Granards' reactionof fluorinated β-ketophosphonium salts we found differentGranard reagents give different reaction mechanisms andPhMgBr realized the enolate reaction of fluorinatedβ-keto-phosphonium salts.

在研究含氟β-酮基鏻盐的β位亲核加成反应中，我们利用含氟α-烷氧基-β-酮基鏻盐与有机锂试剂的亲核加成反应一锅法高度立体选择性地合成了E式或Z式三氟甲基的烯醚类化合物。

The enzymolytic products identified were:diisopro-pylaminoethanethiol through the breakdown of P-S bond, and its oxidized product, N, N'-dithiodiethylene-bis ; and diisopropyla-minochloroethane through the breakdown of S-C bond.

VS与电鳐乙酰胆碱酯酶作用的主要产物是： P—S键断裂产物二异丙氨基乙硫醇，该化合物在水溶液中不稳定，可进一步氧化为N，N＇-双二异丙氨基乙基二硫醚；S—C键断裂产物二异丙氨基氯乙烷。

During the past decade, considerable research effort has been directed towards the development of in situmetal matrix composites, in which the reinforcements are formed in situ by exothermal reactions betweenelements or between elements and compounds. Using this approach, MMCs with a wide range of matrix materials(including aluminum, titanium, copper, nickel and iron), and second-phase particles including borides, carbides

在过去的几十年中，对于金属基复合材料我们做了大量的研究工作，这些复合材料的增强体都是通过元素之间或者元素与化合物之间的原位放热反应而加入到基体中的，这种方法广泛应用在生产金属基体材料（包括铝、钛、铜、镍和铁）和第二相颗粒中（包括硼、碳、氮、氧和他们的混合物）。

Strain CW-02 was isolated from ground sewerage of oil field. It is facultatively anaerobic with optimal pH of 2.8 and maximum temperature at 48 ℃. The optimum NaCl concentration for its growth is 30.0 g/L. CW-03 was isolated from crude oil well of more than 4 000 m deep.

菌株CW02来自于油田联合污水处理站里的地面污水，兼性厌氧，能在pH为2.8的酸性培养基中生长，耐受最高矿化度为30.0g/L，最高生长温度为48℃，可利用苯环化合物为唯一碳源生长。

If you have just eaten a meal rich in fatty acids but low in carbohydrate s, how does this regulatory property shut down the oxidation of glucose to CO2 and H2O but increase the oxidation of acetyl-CoA derived from fatly acids?

如果你刚进食了一顿富含脂肪酸而少有碳水化合物的食物，这个调节装置如何关闭葡萄糖氧化为CO2和H2O但是增加来源于脂肪酸的乙酰辅酶A的氧化？

The contents of naphthalene and relative content of fluorene, dibenzofuran and sulfluorene are mainly associated with OM types and sedimentary environments.

凝析油和轻质油中萘和联苯的含量，芳烃中芴系化合物芴、氧芴和硫芴三者的相对含量主要与其源岩的母质类型和沉积环境有关。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！