查询词典 co-product

It's found that the aromatic dinitro compounds can be monoreduced to nitroanilines in high selectivity, aromatic nitro compounds and muti-cycle aromatic nitro compounds can be quantitively reduced to the corresponding amine by selenium catalyst with CO/H2O in polar aprotic solvents under atmospheric pressure using medical inorganic bases as co-catalysts.

在实验的基础上提出了对硒催化CO/H_2O还原芳香硝基化合物机理的一些粗浅认识。

Our present data showed that endogenously produced CO was increased during the course of asthma, which suggested that the role of CO in asthma might worth further study.

内源性CO是在NO之外的又一个内源性介质参与哮喘的一系列病理生理过程，其生物学作用及其临床价值尚需进一步探讨。

The chelating ability of its enolate anion (TTF-ph-tfac) has been investigated with [MIICl_2·xH_2O] (M = Zn and Co) leading to complexes Zn(TTF-ph-tfac)_2(CH_3OH)_2 (7) and Co(TTF-ph-tfac)_2(CH_3OH)_2 (8), where the metal center is coordinated by two TTF-ph-tfac ligands. This redox active ligand shows promising features for the elaboration of hybrid organic-inorganic building blocks.

具有反铁磁行为的化合物5在110-120K观察到了相转变的发生，是目前已报道的该类化合物中最高的相变温度。3、TTF-ph-tfac烯醇阴离子具有很强的配位能力，与金属氯化物螯合配位分别生成了配合物Zn(TTF-ph-tfac)_2(CH_3OH)_2 (7)和Co(TTF-ph-tfac)_2(CH_3OH)_2 (8)，每个中心金属都桥连两个TTF-ph-tfac配体。

Methods: Co-Cr alloy,Ni-Co alloy and casting titanium were respectively proc essed into size of 10 mm×10 mm×1 mm in tablets.

将 Co-Cr合金、Ni-Cr合金、纯钛分别铸造制备成10 mm×10 mm×1 mm板片，将每组30片随机分空白对照组、培养基对照组、实验组各10片。

To improve the selectivity, the Co/Mn/Br catalyst system with ethanal as an additive was studied and the reaction conditions were also optimized, which were as follows:the amount of ethanal 10%(mole ration base on the substrate), reaction temperature 100℃,reaction time 30min,the oxygen pressure 0.2MPa, the amount of the composite catalyst Co/Mn/Br 7%,the mass ration of different ingredients 2:2:1. Under these conditions, the yield comes to 24.10% and the selectivity reaches 75.03%.

为了提高反应的选择性，论文初步研究了以乙醛作为添加剂条件下各工艺参数的影响，并进行正交优化，得出最佳条件为：乙醛加入量1：10，反应温度100℃，反应时间30min，氧气压力0.2MPa， Co/Mn/Br混合催化剂加入量7%，质量比2：2：1，在此条件下，反应产率为24.10%，选择性可达75.03%。

The step and roughened surface promotes simultaneously the methanol oxidation via adsorbed CO and dissolved intermediates, therefore for different pure Pt electrodes, though different faradaic current, the current efficiency for CO〓 formation is approximately same.

台阶位置和粗化表面同时促进了甲醇氧化的两个路径，因此，对于不同的纯Pt电极，尽管甲醇氧化电流不同，CO〓的电流效率接近相同。

The Cu-doped Co-Cu-B catalyst was prepared by chemical reduction of mixed CoCl_2 and CuCl_2 with KBH_4 in a- queous solution and the effect of the Cu-content on the catalytic performance was investigated during liquid-phase furfural hy- drogenation to furfuryl alcohol.

用KBH_4还原CoCl_2和CuCl_2混合溶液制得Co-Cu-B催化剂，用于糠醛液相选择性加氢制糠醇，研究了不同Cu掺入量对催化剂性能的影响，发现当Cu：Co的摩尔比为9.64×10~(-3)时，催化活性达到最佳。

Results There was no significant gene difference between adults and larvae. CO Ⅱ gene sequences could he used to identify Boettcherisca peregrina, Aldrichina grahami and Lucilia illustris but they could not distinguish Lucilia cuprina from the Lucilia sericata because of their close evolutionary distance and single nucleotide polymorphisms in aldrichina grahami and Lucilia illustris populations were found.

结果 成虫与幼虫基因差异不明显，COⅡ基因序列可以对棕尾别麻蝇、巨尾阿丽蝇和亮绿蝇进行鉴定，铜绿蝇与丝光绿蝇进化距离较近，COⅡ序列不能将他们区分开，同时还发现巨尾阿丽蝇和亮绿蝇存在种群单核苷酸多态性。

Biomass at stationary phase increased by 39％under the high CO〓 level (2800μL L〓 CO〓), and by 9％under the mixotrophic condition.

碳限制时，添加醋酸钠（2 mmol L〓）和提高CO〓浓度均促进海生椭球藻的生长，使稳定期生物量分别增加9％和39％。

CO〓 and soil water affected aphid population indirectly through the direct effects on the wheat characteristics. The population increase was due to both high adult fecundity and shortened nymphal period.

3在700ppm范围内CO〓对禾谷缢管蚜的直接影响很小，CO〓和土壤水分对禾谷缢管蚜种群的影响主要来源于间接影响，即通过影响小麦的理化性质进而影响蚜虫的个体行为和种群大小。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐