查询词典 oxide

DG research showed that there was complicated action between metal oxide and Zr4 in CuO·ZrO_2,Fe_2O_3·ZrO_2 catalysrs; metal oxide calcinated by high temperature would deoxidate.

DG分析显示，共沉淀型催化剂CuO·ZrO_2，Fe_2O_3·ZrO_2中，金属氧化物与ZrOH(来源：A28BC论文网www.abclunwen.com4间存在着复杂的相互作用；高温焙烧催化剂，会发生金属氧化物的脱氧现象，引发了金属的变价现象。

Desulphurizer ; zinc oxide ; copper oxide ; methanol synthesis ; spent catalyst.

脱硫剂；氧化锌；氧化铜；甲醇合成；失活催化剂

Furthermore, seven compounds were isolated from CSPD and their chemical structures were authenticated by spectral analysis as tetrandrine, fangchinoline, tetrandrine-2′- N-β-oxide, tetrandrine-2′- N-α-oxide, dicentrine, dicentrinone, and adenine, respectively.

从粉防己专属性对照物质中分得粉防己碱、防己诺林碱、tetrandrine-2′- N-β-oxide，tetrandrine-2′- N-α-oxide，荷包牡丹碱、荷包牡丹酮和腺嘌呤等7个成分，经波谱分析鉴定了结构。

Hydroxy-5, 10-dihydrophenophosphazine 10-oxide (1) reacted with SOCl2, and then with MeONa in MeOH to give a methyl phosphinate (2) which can be converted to a dinitro compound 3 (62%) by nitration and the resulting dinitro compound 3 can further be converted to 2, 8-diamino-10-methoxy-5, 10-dihydrophenophosphazine 10-oxide (4, 71%) by hydrogenation over Pd/C (w = 0.05). And the effect of amount of Pd/C (w = 0.05) on the reduction was also studied.

10－羟基－5，10－二氢磷杂吖嗪－10－氧化物（1）经醯氯化、甲基化得到10－甲氧基－5， 10－二氢磷杂吖嗪－10－氧化物（2），2经硝化得到10－甲氧基－2，8－二硝基－5，10－二氢磷杂吖嗪－10－氧化物（3，62%）。3在Pd／C（w = 0.05）存在下，用氢气还原为2，8二氨基－10－甲氧基－5，10－二氢磷杂吖嗪－10－氧化物（4，71%），考察了Pd／C（w = 0.05）用量对氢化还原反应的影响。

Dibutyltin maleate,dioctyltin maleate,N-phenyl maleimide, N-(p-chlorophenyl) maleimide,N-(p-nitrophenyl) maleimide with unsaturated groups were synthesized using dibutyltin oxide,dioctyltin oxide,maleic anhydride, aniline,p-chloroaniline,p-nitroaniline as raw materials,respectively.Then dibutyltin male,ate/styrene bipolymer,dibutyltin maleate/styrene/methyl acrylate terpolymer,dibutyltin maleate/styrene/N-phenyl maleimide terpolymer ,dibutyltin maleate/styrene/N-(p-chlorophenyl) maleimide terpolymer ,dibutyltin maleate/styrene/N-(p-nitrophenyl) maleimide terpolymer ,dioctyltin maleate/styrene biopolymer,dioctyltin maleate/styrene/methyl acrylate terpolymer,dioctyltin maleate/styrene/ N-phenyl maleimide terpolymer,dioctyltin maleate/styrene/ N-(p-ehlorophenyl) maleimide terpolymer[P(DOTM/St/NC1PMI)],dioctyltin maleate/styrene/N-(p-nitrophenyl) maleimide terpolymerwere synthesized using DBTO,DOTO,PMI,N-p-ClPMI,N-p-NOPMI,styrene and methyl acrylate as monomers,respectively.

再以DBTO，DOTO，PMI，N-p-ClPMI，N-p-NOPMI，苯乙烯，丙烯酸甲酯等为单体，合成了马来酸二丁基锡/苯乙烯二元共聚物{P}，马来酸二丁基锡/苯乙烯/丙烯酸甲酯三元共聚物{P}，马来酸二丁基锡/苯乙烯/N-苯基马来酰亚胺三元共聚物{P(DBTM/St/NPMI)}，马来酸二丁基锡/苯乙烯/N-对氯苯基马来酰亚胺三元共聚物{P(DBTM/St/NClPMI)}，马来酸二丁基锡/苯乙烯/N-对硝基苯基马来酰亚胺三元共聚物{P(DBTM/St/NNOPMI)}，马来酸二辛基锡/苯乙烯二元共聚物{P}，马来酸二辛基锡/苯乙烯/丙烯酸甲酯三元共聚物{P}，马来酸二辛基锡/苯乙烯/N-苯基马来酰亚胺三元共聚物{P(DOTM/St/NPMI)}，马来酸二辛基锡/苯乙烯/N-对氯苯基马来酰亚胺三元共聚物{P(DOTM/St/NClPMI)}，马来酸二辛基锡/苯乙烯/N-对硝基苯基马来酰亚胺三元共聚物{P(DOTM/St/NNOPMI)}。

Purpose To study the expression of endothelia nitric oxide synthase and inducible nitric oxide synthase in breast cancer and their relationships to metastasis.

目的 ：研究内皮型一氧化氮合酶、诱导型一氧化氮合酶在乳癌中表达及与淋巴结转移的关系。

The effects of intracerebralventricular injection of nitric oxide donor and nitric oxide synthase inhibitor on the spontaneous discharge of magnocellular neurons of paraventricular nucleus of hypothalamus were investigated in urethane anaesthetized adult SD rats by using microelectrode extracellularly recording method.

在乌拉坦麻醉的成年SD大鼠上，用玻璃微电极细胞外记录的方法，观察了脑室内注射一氧化氮供体及一氧化氮合酶抑制剂对室旁核大细胞自发电活动的作用。

Some soil chemical properties, as pH of soils, cation exchange capacity, calcium carbonate, ferriferous oxide and organic matter are studied. Chromium speciation is mainly affected by soil pH, CEC and calcium carbonate, but little by ferriferous oxide and organic matter.

所研究的土壤化学性质中，土壤pH值、阳离子交换量以及碳酸盐量对土壤铬形态分布及生物有效性影响较大，铁氧化物与有机质含量对土壤铬形态的分布及生物有效性有一定的影响。

METHODS: D-galactose (1 000 mg·k-1·d-1 ) was injected into mice hypodermically for 8 weeks to induce aging animal model, and Vit-E (100 mg·kg-1; 250 mg·kg-1) was administered for 6 weeks by ig at the 3rd week of making model. After Vit-E treatment for 8 weeks, water maze test was used to determine the ability of mice's learning and memory. The activities of glutathione peroxidase and succinate dehydrogenase, the content of nitric oxide and activity of nitric oxide synthase in the brain tissue were detected separately.

小鼠连续皮下注射D-半乳糖（1 000 mg·k-1·d-1）8周制备衰老模型，并于第3周开始给予维生素E（100 mg· kg-1；250 mg· kg-1）处理；8周后采用水迷宫测定小鼠学习记忆能力，并取脑组织测定谷胱甘肽过氧化物酶和琥珀酸脱氢酶活性，测定一氧化氮含量和一氧化氮合酶活性。

It can be divided into four methods to prepare manganic manganous oxide from the raw stuff: electrolytic product of manganese、manganous salt、manganese oxide compound and manganese carbonate.

四氧化三锰的生产方法主要有四种：金属锰悬浮液法、锰盐法、高价锰氧化物法以及碳酸锰法。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。