查询词典 oxalate

The barium-strontium titanyl oxalate precursor powder was prepared successfully by using the simple oxalate chemical coprecipitation method. The pyrolysis of BSTO at 905℃ in air produced barium-strontium titanate powder. BST powder was characterized with SEM, TEM, XRD and FT-IR, which revealed that the powder was spherical, highly pure, perovskite, and the average particle diameter was 36nm.

采用草酸盐化学共沉淀法制备了草酸氧钛锶钡前驱体，通过905℃高温煅烧，制得了高纯纳米钛酸锶钡，并利用SEM、TEM、FT-IR和XRD对其进行了表征；并将该粉体应用于水中重金属镉离子的吸附。

As the reaction time and standing time increase, the percentage of calcium oxalate trihydrate decreases and the percentage of the thermodynamic stable calcium oxalate monohydrate increases.

随着反应时间和陈化时间的增加，三水草酸钙直接转化为稳定态的一水草酸钙，而没有经过亚稳态的二水草酸钙。

In compound 1, Co is in a distorted octahedron environment with four nitro-gen atoms from the tripodal ligand and two oxygen atoms from the bridged oxalate, and the molecule is a dimmer-ic structure consisting of two LCo unites linked by bridging oxalate.

在配合物1中，Co与来自三脚架配体的4个氮和草酸根桥联配体的2个氧原子配位，处于扭曲八面体配位环境。由草酸根桥联两套LCo，构成了一个双核结构。

Study is made of a new process for directly extraction of the cobalt oxalate from ammonium oxalate in the acid solution directly dissolved from lithium cobaltate.

研究了从钴酸锂直接溶解后的酸溶液中用草酸铵直接提取草酸钴的新工艺，采用氟盐将酸溶液中的铝完全全络合，然后用草酸铵在pH为2，温度60℃下沉钴，再在马弗炉中煅烧成氧化钴，所得产品可达到Co2O3？

Methods: The animals were divided into four groups randomly, including sham operation group, model control group, small dose (30 mg/kg, iv.) and large dose of ammonium oxalate (60 mg/kg, iv.) group. After the operation, ammonium oxalate was administrated and the electroencephalogram (frequency, scope and duration of the epileptic discharge) were recorded, and the survival neurons at the areas of hippocampus CA1 and CA3 was counted.

32只大鼠随机均分为4组：假手术组、模型对照组、小剂量草酸铵实验组(30 mg/kg)和大剂量草酸铵实验组(60 mg/kg)，各组均记录脑电（痫样波频率、幅度及总持续时间），HE切片计数海马CA1、CA3区残存正常神经元。

In this ***,nano-particles of NiCuZn ferrites powders were prepared with nickel nitrate,zinc sulfate,copper sulfate and ferrous sulfate as starting materials and ammonium oxalate as the precipitator by employing co-precipitation technique using oxalate precursors.Excellent composition uniformity NiCuZn ferrite powder can be obtained after drying and calcination.Toroidal samples were obtained after being formed and sintered.

本文以硫酸镍、硫酸铜、硫酸锌、硫酸亚铁和草酸铵为原料，应用化学共沉淀法制得分布均匀的先驱粉，经烘干、煅烧制成成分均匀性极佳的NiCuZn铁氧体粉末，再经成形和烧结等工艺，最后制得环形NiCuZn铁氧体材料。

The advantages of catalytic synthesis of oxalate ester in gaseous phase by carbon monoxide are summarized. The five important characterization of our patent technology invented for the use of industrial raw material and the potential good economic value of the process are presented. It indicates that study and development of catalytic synthesis of oxalate ester .oxalic acid as well as glycols by natural gas in gaseous phase have a great advantage for full utilization of natural gas....

概述了&CO气相催化合成草酸酯&技术的先进性，介绍用工业性原料为主要内容的专利技术：&气相催化合成草酸酯连续工艺&的五个主要特点及其潜在的经济效益，并指出，用天然气经合成气进行气相催化合成草酸酯和草酸、乙二醇的研究与开发，可使天然气得到充分的利用，具有很好的经济效益，是天然气化工综合利用的一条有效途经，也是当代C1化学的重要发展方向。

The defective Langmuir-Blodgett film of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine induced by potassium oxalate(K2C2O4) and its effect on nucleation and growth of calcium oxalate monohydrate were investigated with the aid of atomic force microscopy and scanning electron microscopy.

采用扫描电子显微镜和原子力显微镜研究了经不同浓度草酸钾(K2C2O4)处理后二棕榈酰磷酯酰胆碱的缺陷LB膜及其对一水草酸钙成核和生长的影响。

The defect formation of Langmuir-Blodgett film of 1,2-dipalmitoyl- sn -glycero-3-phosphocholine injured by potassium oxalate was investigated with the aid of atomic force microscopy and fluorescent microscopy. The effect of the defects on the growth of calcium oxalate monohydrate was investigated by scanning electronic microscopy.

本文采用经草酸钾处理后存在缺陷的二棕榈酰磷酯酰胆碱的LB膜为模型，采用原子力显微镜、荧光显微镜和扫描电子显微镜研究了模型膜的缺陷畴区及其对一水草酸钙晶体生长的促进作用。

In 1L semi-continuous tank reactor,researches the effects of sodium dodecylsulfate,potassium oxalate,mixture of sodium dodecylsulfate and potassium oxalate on formation process of methane hydrate .

在1L的半连续搅拌槽式反应器中，研究了添加剂十二烷基硫酸钠、草酸钾和草酸钾与十二烷基硫酸钠复合对甲烷水合物生成过程的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。