查询词典 vanadium trioxide

Tungsten trioxide powder has been prepared from ammonium paratungstate v/a hydrothermal method using orthogonal and mono-level design of experiments.

以仲钨酸铵为原料，通过正交设计和单水平实验，采用水热法处理制备了WO3粉体。

Self-made tungsten trioxide (WO_3) by calcining ammonium paratungstate was selected as the raw material to produce ultrafme and homogenous tungsten powder by oxidation-reduction method.

通过研究，得到如下结论：(1)本研究选取的三氧化钨原料，通过氧化—还原法(4次氧化5次还原)是可以制备出超细钨粉的；所得金属钨粉的平均粒度约为0.38μm。

Commodities subject to export quota license are: corn, rice, wheat, cotton, wood products, live ox, live pig, live chicken, natural silk and its products, coal, coke, crude oil, finished oil, rare-earth metal, antimony oxide ore, antimony and antimony products, antimony oxide, tungsten ore, Ammonium Paratungstate, Ammonium metatungstate, Tungsten Trioxide and Blue Tungsten Oxide, Tungstic acid and salt, tungsten powder and its products, Zinc ores, Tin ores, tin and tin-base alloy, and white silver.

实行出口配额许可证管理的货物是：玉米、大米、小麦、棉花、锯材、活牛、活猪、活鸡、蚕丝类、煤炭、焦炭、原油、成品油、稀土、锑砂、锑及锑制品、氧化锑、钨砂、仲钨酸铵及偏钨酸铵、三氧化钨及蓝色氧化钨、钨酸及其盐类、钨粉及其制品、锌矿砂、锡矿砂、锡及锡基合金、白银。

Reverse-transcription PCR assays were used to detect the mRNA expression level of related regulatory genes such as p15, p16, p21, p27, p57, surviving, cyclin B, cdc2 and chk1, and Western blot assay to detect the level of protein expression and phosphated change such as survivin, cdc2 and chk1. Results:(1) K562 cell arrested on G2/M phase were obviously increased after co-cultured with 2 to 10μmol/L Arsenic trioxide for 24 hours. The ratios of control group, 2μmol/L, 5μmol/L and 10μmol/L groups were 22.6±3.4%, 27.2±2.3%, 43.8±4.5% and 36.7±4.1%, respectively.

体外培养K562细胞，以不同浓度AS_2O_3作用不同时间后采用PI染色、流式细胞仪检测药物作用后细胞的周期分布改变；逆转录酶多聚酶链扩增方法检测细胞周期相关调节基因(p15、p16、p21、p27、p57、survivin、cyclinB、cdc2、chk1)的mRNA表达变化；Western blot方法检测细胞周期相关调节蛋白表达及磷酸化改变(survivin、cdc2、cdc2-p、chk1)。

The experimental results indicated that the yield of 2,6-DMN can reach above 38%, when the usage of dimethylnaphthalene was 2g, the temperature reached 18℃, the reaction time was 2.5h, the mole ratio of water-free aluminum trioxide to dimethylnaphthalene was 0.8, the mole ratio of transmethylation agent tetramethylbenzene to dimethylnaphthalene was 1.0, the usage of methane trichloride was 15mL.

结果表明，2-甲基萘(2-MN)使用量为2g时，反应温度为18℃、时间为2.5h、n：n（2-甲基萘）=0.8、n：n（2-甲基萘）=1.0、二氯甲烷用量为15mL时，2，6-DMN的收率可达38%。

Time-resolved emission experiments on deflagrating metastable interstitial composites of nano-aluminum trioxide are formed in the detonation shock tube.

在爆炸激波管内采集到了纳米铝粉多隙氧化物的辐射谱，通过对所得光谱的拟合，得出其反应温度约为3100K，误差不足100K。

Decabromodiphenyl oxide; antimony trioxide; low density polyethylene; flame-; synergism

十溴二苯醚；三氧化二锑；低密度聚乙烯；阻燃；协同效应

A method has been developed to prepare hydrous antimony pentoxide by the oxidation of antimony trioxide with ammonium persulfate in aqueous medium of sulfuric acid.

本文还探索了在硫酸介质中用过硫酸铵将三氧化二锑氧化制备固体水合五氧化二锑的一种新方法。

In terms of experimental results, ammonium persulfate oxidizes antimony trioxide into hydrous antimony pentoxide and is reduced itself into ammonium sulfate in aqueous medium of sulfuric acid.

结果指出，在硫酸介质中，过硫酸铵可将三氧化二锑氧化成固体水合五氧化二锑，自身则被还原成硫酸铵进入溶液。

This article presents process and fundamental principle for cobalt removal with antimony trioxide and zinc powder in No.

叙述了株冶锌Ⅱ系统锑盐锌粉净化除钴的工艺及基本原理，分析了影响除钴的因素，提出了控制钴复溶与闭路循环的措施。

The Master of Science degree program in Economics features a curriculum that is flexibl...

在经济学理学硕士学位的课程计划的特点是灵活而全面的方法，在理论和应用课程培训工作。

This module is used for constructing and visualizing 3D models.

该模块是用于建设和可视化的三维模型。