查询词典 co-altitude

In order to promote the development of research work of 〓CO〓 breath tests in diagnostics as well as the popularization of clinical application of 〓CO〓 breath tests,〓C-labelling octanoic acid, palmitic acid, cholesteryl octanoate and tripalmitin were synthesized in this paper.

为了促进我国〓CO〓呼气试验诊断学研究工作的开展及其在临床应用上的普及，本论文一方面合成〓C-标记的辛酸、软脂酸、三软脂酸甘油酯和辛酸胆固醇酯，另一方面对其呼气试验的方法学和应用研究进行了初步的探讨。

The results show that the rare earth element Ce can codeposit with cobalt-base alloy, and with increase of mass added of Ce in solution, the content of Co, Ni, Ce in alloy increases and the content of B decreases. Ce can increase plating rate of alloy in some range of content. The rare earth makes deposition potential mve in positive direction and polarizability decrease.

结果表明，在水溶液中稀土元素Ce可以与钴基合金实现共沉积，且随着镀液中Ce的浓度的增大，合金镀层中Ce、Co和Ni的含量逐渐升高，B含量降低；且Ce在一定范围内能够明显提高合金的沉积速度；稀土还使Co-Ni-B合金的析出电位发生了正移，减小了极化度。

Three isomorphic pendant derivatives based on monovacant Keggin heteropolytungstate [SiW11O39]8- as building block have been synthesized through the decoration of Co-Im complexes using bench method:5Na_4H_2[SiW_(11)O_(39)CoIm]_(0.63)[SiW_(11)O_(39)Co(H_2O)]_(0.37)·7H_2O (1)_6[SiW_(11)O_(39)NiIm]_(0.8)[SiW_(11)O_(39)Ni(H_2O)]_(0.2)·7H_2O (2)_4Na_6[SiW_(11)O_(39)MnIm]_(0.69)[SiW_(11)O_(39)Mn(H_2O)]_(0.31)·7.5H_2O (3) Complexes 1–3 are the first examples of crystallographically characterized 3d-transition metal mono-substituted POMs with an antenna organic ligand synthesized under normal bench conditions.

以单缺位Keggin型杂多钨硅酸盐[SiW11O39]8-为建筑单元，在水溶液中通过过渡金属-咪唑配合物的修饰，成功地获得了三个同构的悬臂式衍生物：5Na_4H_2[SiW_(11)O_(39)CoIm]_(0.63)[SiW_(11)O_(39)Co(H_2O)]_(0.37)·7H_2O (1)_6[SiW_(11)O_(39)NiIm]_(0.8)[SiW_(11)O_(39)Ni(H_2O)]_(0.2)·7H_2O (2)_4Na_6[SiW_(11)O_(39)MnIm]_(0.69)[SiW_(11)O_(39)Mn(H_2O)]_(0.31)·7.5H_2O (3)它们是第一例在常规水溶液条件下合成得到的X-射线表征的3d-过渡金属取代的悬臂式多酸衍生物。

Beijing cultural industry gifted Chuangjia Ltd. Beijing Youchuang Jiaye cultual co., Ltd excellent success Co., Ltd. is a committed to the promotion of international road information and technological exchanges and to promote the professional trade services.

北京优创佳业文化有限公司Beijing Youchuang Jiaye cultual co。，ltd 优创佳业有限公司是一家致力于促进国际道路信息技术交流与推广的专业贸易服务机构。

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。

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