二酸的

Methods The lymphocytes of rats were isolated from the peripheral blood and cultured with sodium arsenite under 37 ℃.The ROS content was detected by DCFH-DA;The content of LPO was detected by fluoresce method.

体外分离大鼠外周血淋巴细胞后，施加处理因素，在37℃条件下恒温培养，用2'7'-二乙酰二氯荧光素染色法检测细胞内的ROS水平，用硫代巴比妥酸荧光法测定细胞内LPO含量。

After it was adjusted with ammonia until the test paper turned purple,in subacid medium of pH 6～7 ammonium acetate buffered solution,bivalent nickel was precipitated quantificationally by dimethylglyoxime.

试样以稀硝酸溶解高氯酸冒烟后，酒石酸掩蔽剂将铁等干扰元素配位掩蔽，以氨水调节至刚果红试纸呈紫色后，在pH6～7的乙酸铵缓冲溶液微酸性介质中，二价镍定量地被丁二酮肟沉淀。

Reactions of 2,6-pyridinedicarboxylic acid or 2,6-dibromomethyl pyridine with 5-(4-hydroxyphenyl)-10,15,20-triphenyl porphyrin, 5-(4-aminophenyl)-10,15,20 triphenyl porphyrin gave three novel bridged diporphyrins 3-5, respectively.

通过将2，6-吡啶二羧酸或2，6-二溴甲基吡啶分别与5-(4-羟基苯基)-10，15，20-三苯基卟啉(1)和5-(4-氨基苯基)-10，15，20-三苯基卟啉(2)反应，合成了3种新型的双卟啉化合物3~5。

Production technology of synthesis of allantoin are reviewed, including glyoxal oxidation, electrochemical synthesis, calcium glyoxylate synthesis, dichloroacetic acid synthesis, acetochloral method, and oxidative decarboxylation.

评述了乙二醛氧化法、电化学法、乙醛酸钙法、尿素三氯乙醛合成法、尿酸二氯乙酸法和尿酸氧化脱羧法等合成尿囊素的各种工艺。

In this paper, according to principles of molecular design, Cu,Ag, Cu,Fe, Ni, Mn, and Co were selected as templates, 8,8'-Dithiodiquinoline,4-cyanopyridine,2,2'-Bipyridyl-3,3'-dicarboxylic acid, 4,4'-bipyridine as building blocks.

本课题通过分子设计，以Cu，Cu，Mn，Co，Ni，Fe，Ag为模板，以8，8'-二硫联喹啉，4-氰基吡啶，4，4'-联吡啶和2，2'-联吡啶-3，3'-二羧酸为构件，用溶剂热法合成新的配位聚合物，测定其晶体结构，并研究其导电性和热行为。

In the presence of acetic acid and polyethylene glycol, anthracene reacted with ammonium ceric nitrate and sodium bromate to form anthraquinone.

在醋酸、聚乙二醇存在下，蒽与硝酸铈铵和溴酸钠反应生成蒽醌，聚乙二醇作为相转移催化剂可以提高反应的选择性。

Ninth Five-Year Plan period, the Company conducted a medical intermediates of the pre-development and market research, the introduction of the development of superior strength skin, crotonic acid, crotonic anhydride and other products; also produced 3,3 dimethyl methacrylate, antibiotics raw material products, as well as more than 20 kinds of iso-vanillin and other pharmaceutical intermediates.

九五期间，本公司进行了医化中间体的前期开发和市场调查，引进开发了优力肤、巴豆酸、巴豆酸酐等系列产品；还生产了3，3二甲基丙烯酸甲酯、抗生素原料药系列产品以及异香兰素等二十多种医药中间体。

The one electron oxidative splitting reaction mechanism between 9,10-anthraquinone-2-sulfonate and cyclobutane dimethylthymine dimer was acquired.

研究了蒽醌-2-磺酸盐与环丁烷型二甲基胸腺嘧啶二聚体发生的单电子氧化裂解反应机理。

Objective: To investigate effect of docosahexaenoic acid on gene expression profiles of human dendritic cells.

目的：研究二十二碳六烯酸对人树突状细胞成熟过程中基因表达谱的影响。

DFA-PEG polyester was synthesized with DFA and PEG 400 at first, and then bysulfating DFA-PEG polyester with NH_2SO_3H or terminating DFA-EG polyester withrosin acid, two derivant, these are sulfated DFA-PEG polyester and terminateDFA-PEG polyester, were synthesized. The reaction conditions of synthesis wereoptimized by orthogonal experiments.The molecular weight of product was analyzed by GPC.

5以二聚脂肪酸和聚乙二醇400为原料，首先合成了DFA-PEG聚酯，再以DFA-PEG聚酯为衍生体，硫酸化或用松香封端，合成了两种DFA-PEG聚酯衍生物——DFA-PEG聚酯硫酸酯盐和松香酸封端DFA-PEG聚酯，通过正交试验，对合成的条件进行了优化。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。