氧化钙

Through investigation on the Eh values of cinnamon soil,sierozem,brown desert soil in situ with new electrochemical methods and summarization of the same results of laterite,red soil and yellow brown soil,a horizontal zonal variation of oxidation-reduction characteristics in semi-humid,semiarid and arid areas from south China to north China is revealed.

用新的电化学方法原位考察了褐土、灰钙土、棕漠土、黑土、风沙土、灌淤土、盐土、碱土、亚高山草甸土、灰褐土、水稻土和旱地土壤的氧化还原状况。综合已有原位测定结果，地带性土壤的电位由南向北的空间分异与其水平地带谱相应；亚高山草甸土和灰褐土的氧化还原状况随山体高度和植物群落而呈垂直分异趋势。

The novel vacuum furnace is employed in laboratory study. Compared with atmosphere magnesium carbothermic reduction furnace, this new one has the merits of high automation, easy manipulation and fine safety. Vacuum coking, vacuum carbothermic reduction process and magnesium vapory condensation process can be carried out in a furnace.

小型实验结果证明：还原温度升高，还原时间延长，氧化镁还原率增大，添加适量的氟化物对还原反应有促进作用；还原过程中真空度随时间的变化具有规律性，由此可以判断还原反应进行的速度与程度；真空中煤还原氧化镁的条件是：配料时保证C：MgO=3：1，并加入占总料重10％的氟化钙作为催化剂，尽可能的提高反应温度至1500℃以上，保温30～40分钟。

Because of the adulteration of rare earth ion and the lamellar structure of the calcium and titanium mine, the material has lower heat conductivity and higher coefficient of thermal expansion compared to the zirconium oxide which is stabilized by 7-8% yttrium oxide.

由于稀土离子的掺杂及其自身的层状钙钛矿结构，该材料与目前普遍使用的7～8％氧化钇稳定的氧化锆相比具有更低的热导率和更高的热膨胀系数。

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。

Results The average thickness of MAO film was 32.7μm and the films presented alveolate pores with diameter from several micrometers to a hundred micrometers, under SEM.

结果纯钛表面微弧氧化膜的平均厚度为32.7μm，表面存在大量直径3-20μm的蜂窝状孔隙，纯钛微弧氧化膜中富含钙、磷成分，并且出现羟基磷灰石结晶。

The 731 oxidized paraffinum sodium salt and ZL were separately used as collector to pick out scheelite from high calciferous gangue and polymetallic scheelite, the laboratory experiment and industrial experiment were carried on. It has been proved that using ZL, the grade and recovery of the concentrate is higher than using 731 oxidized paraffinum sodium salt with less reagent consumption.

分别用731氧化石蜡皂和ZL作白钨矿的捕收剂，选别含钙脉石矿物高的白钨矿和多金属白钨矿，小型试验和工业试验结果表明，用ZL获得的钨精矿品位和回收率均高于用731氧化石蜡皂，且ZL捕收剂用量少。

The 731 oxidized paraffinum sodium salt and ZL were separately used as collector to pick out scheelite from high calciferous gangue and polymetallic scheelite,the laboratory experiment and industrial experiment were carried on.

分别用731氧化石蜡皂和ZL作白钨矿的捕收剂，选别含钙脉石矿物高的白钨矿和多金属白钨矿，小型试验和工业试验结果表明，用ZL获得的钨精矿品位和回收率均高于用731氧化石蜡皂，且ZL捕收剂用量少。

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

评述了乙二醛氧化法、化学法、醛酸钙法、素三氯乙醛合成法、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。

The potential candidates participating in the protective effect of IH include oxygen transport, energy metabolism, neurohumoral regulation, antioxidase, stress protein, adenosine, ATP-sensitive potassium channel, mitochondrium, calcium control, nitric oxide and protein kinase.

IH心脏保护作用可能涉及氧的运输、能量代谢、神经体液调节、抗氧化酶、应激蛋白、腺苷系统、ATP敏感钾通道、线粒体及其钙调控、一氧化氮和蛋白激酶等多方面机制，并受低氧处理方式、动物年龄和性别等因素影响。

To study the state of calcium ionophore, the effect of homocyeteine on the activites of eNOS and of contents of NO in HUVEC.

研究同型半胱氨酸在钙离子导体（A23187）刺激下，对内皮细胞内皮型一氧化氮合酶活性及一氧化氮含量的影响及机制。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。