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Mg-Al composite oxides catalyst is produced from a typical structure of hydrotalcite brucite-layer by precipitation.

以沉淀法制备了以水滑石为前驱体的Mg-Al复合氧化物催化剂。

The effect of sound field on hydrous ZrO2 colloid produced with the sol-gel method is studied.

文章研究了不同声场条件作用下，溶胶-凝胶制备氧化锆纳米粉体过程中胶体的沉降、性状以及胶体的ζ电位。

The amount of hydroxyacetic acid , equal to that of sodium chloride, produced from chloroacetice acid hydrolysis is determined by adopting Moore method and there fore the ratio of transformation of chloroacetice acid hydrolyzed can be calculated.

氯乙酸水解生产羟基乙酸的工艺过程中产生等物质量的氯化钠，采用莫尔法测定氯乙酸水解的产物氯化钠，并计算氯乙酸的水解转化率，从而选择和控制水解反应的条件。

METHODS: In 10 open-chest anesthetized pigs, myocardial deformation was studied before and during dobutamine infusion, under control and ischemic conditions produced by various degrees of coronary artery constriction: 2 of nonflow-limiting stenoses of increasing severity reducing left anterior descending artery hyperemic flow by 40% and 70% and 2 flow-limiting stenoses reducing resting coronary flow by 25% and 50%.

10只麻醉开胸的猪以各种程度的冠脉压缩制作为缺血状态组或对照组，研究其多巴酚丁胺灌注前后心肌损伤情况。2只无血流限制狭窄猪模型予以渐增的左前降支血流充盈减少分别为40％和70％，2只血流受限狭窄猪模型减少剩余冠脉血流25％和50％。

AIM To observe the effects produced by melanocytes on the proliferation of hypertrophic scar fibroblasts.

目的 观察正常的黑色素细胞对增生性瘢痕成纤维细胞的生物学效应。

When contrast-enhanced CT depicts hypervascularity of the mesentery with vascular dilatation, tortuosity, and wide spacing of the vasa recta, the comb sign is produced.

当增强CT显示血管扩张、迂曲而血管增多的肠系膜和广泛分布的直小血管，产生梳征。

A composition that can be used as catalyst is disclosed, which comprises or is produced by combining, a titanium compound; either a complexing agent, a combination of a complexing agent, hypophosphorous acid or a salt thereof, and optionally a solvent, a zirconium compound, or both, combinations thereof; a phosphorus compound; and, optionally, a solvent.

公开了一种可用作催化剂的组合物，该组合物包括钛化合物；络合剂，或络合剂、次磷酸或其盐和选择性使用的溶剂、锆化合物或二者的组合，或它们的组合；磷化合物和选择性使用的一种溶剂；或是用它们的组合制成的催化剂。

On the basis of the preparation of special-grade sodium hypophosphite by one-step method in the high-speed reactor,the produced sodium hypophosphite and the byproduct calcium phosphite were further converted to higher-purity hypophosphorous acid and phosphorous acid products by ionic membrane electrodialysis.

在作者开发的高速反应器一步法制专用级次磷酸钠的基础上进一步将生成的次磷酸钠和副产的亚磷酸氢钙用离子膜电渗析法制成纯度更高的次磷酸及亚磷酸产品，产品质量升级，回收利用了副产亚磷酸氢钙，并减少了原料烧碱的用量。

Considering the hysteresis produced by input factors, the period evenness method is presented to eliminate hysteretic effect.

考虑到投入要素产生的作用往往具有滞后性，提出了利用周期平均的方法来消除滞后效应的影响。

The research indicates that semantic variation is produced and the ideational function is reconstructed in the process of nominalization.

研究表明：名物化隐喻过程中语义产生变异且其概念功能重新构建。

He think the world care little whether a man is a churchman, so long as he is good and true.

他想只要一个人慈善忠厚，谁也不会介意他是否是个教徒。

Aiming at the temperature control requirement of multi-workplats fritting furnace, this paper presents an electric circuit design.

针对多工位扩散炉的温度控制要求，介绍了以TCA785为核心的可控硅移相触发电路设计。