氢氧化物

In the metal lurgical industry, hydrogen is used to reduce metal oxides and prevent oxidation in heat-treating certain metal s and alloys.

在冶金工业，氢用于在热处理特定金属和合金时还原金属氧化物和防止氧化。

The performances of the hydrogen storage electrode MmNi3.5Mn0.4Co0.7Al 0.4(Mm: mischmetal) modified by mixing it with Fe3O4 and Cr2O3 were studied.

研究了掺杂金属氧化物Fe3O4和Cr2O3贮氢电极MmNi3.5Mn0.4Co0.7Al0.4的电化学性能。

Metal oxides which are present on the catalyst surface are converted in a conditioning step into metal sulphides, which provide the hydrogenation component of the bi-functional catalyst.

出现在催化剂表面的金属氧化物在预处理阶段转化为金属硫化物，该硫化物提供双功能催化剂的加氢成份。

An organophosphorus flame retardant,10-(2,5-dihydroxyphenyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide was synthesized from phosphorus trichloride,o-phenylphenol and p-benzoquinone through three-step process.

以三氯化磷、邻苯基苯酚和对苯醌为主要原料，通过三步反应合成了含磷阻燃剂10-(2，5-二羟基苯基)-9，10-二氢-9-氧杂-10-膦菲-10-氧化物。

The characterization of rare earth compound powders,such as rare earth hydroxides,rare earth carbonates,rare earth oxalates and rare earth oxides,are important to the synthesis of rare earth new materials.

稀土粉体(氢氧化稀土、稀土碳酸盐、稀土草酸盐、稀土氧化物和氟化物等)的颗粒性能方面的指标对稀土新材料的开发具有重要意义。

The SBA-15-supported vanadium oxide catalyst has the highest selectivity for propylene because of its larger pore diameter and higher surface area.

SBA-15负载钒氧化物催化剂因具有较大的比表面积和较大的孔径，不仅具有较高的丙烷氧化脱氢催化活性，而且具有较高的丙烯选择性。

An AB_5-typed hydrogen storage alloy, La_(0.65)Ce_(0.28)Pr_(0.02)Nd_(0.05)Ni_(3.8)Co_(0.7)Mn_(0.3)Al_(0.2)MIB_(5.0, was prepared by twin-roller rapid quenching technology. It was thenmodified with transitional metal oxides of Cr_2O_3, V_2O_5, ZnO, NiO and MnO_2 by ballmilling, respectively. The physical and chemical performances of modified alloyswere studied by X-ray diffraction, scanning electron microscopy,electrochemical impedance spectroscopy, galvanostatic cyclic, and cyclicvoltammetry.

采用双辊淬冷技术制备了AB_5合金La_(0.65)Ce_(0.28)Pr_(0.02)Nd_(0.05)Ni_(3.8)Co_(0.7)Mn_(0.3)Al_(0.2)，用V_2O_5、Cr_2O_3、Cu_2O、Fe_2O_3、MnO_2等不同的过渡金属氧化物对该贮氢合金进行表面球磨改性，用XRD、SEM、EIS、恒电流充放电、循环伏安等方法研究改性前后合金晶体结构，充放电性能等。

After treated by i.p. sulfur dioxide derivatives (sodium hydrosulfite and sodium sulfite 3∶1,mol·L -1 / mol·L -1 ) or/and vitamin C, the activities of CAT, SOD and the level of lipid peroxidationin human red blood cells were investigated.

以SO2体内衍生物-亚硫酸盐和亚硫酸氢盐(分子比为3∶1)及抗坏血酸单独或同时处理人血红细胞，并测定红细胞过氧化氢酶、超氧化物歧化酶活性及脂质过氧化水平。

The use to NMR spectrometry to follow the hydroxylation of salicylate could be a new approachl to evaluate the redox potential of many antioxidants.

而以这核磁共振光谱学研究水杨酸氢氧化变化，来评估一些抗氧化物的氧化还原作用是一个新的模式。

Have carried on testing service for nearly 200 hazardous substances, including Asbestos, PAHs, Phthalates, NP/NPEO, AZO, CFC/HCFC/Halons, PVC, PCB, PCT, PCN, CP, Mirex, TPT/TBT/TBTO, Formaldehyde, Heavy metals, can help your products in fully compliance with 'green purchase' request of international buyers.

开展除RoHS以外的近200种有害物质检测业务，包括石棉、多环芳烃、邻苯二甲酸盐、壬基苯酚/壬基苯酚乙氧基化合物、偶氮染料、氟氯烷烃/氢氯氟烷烃/海龙、聚氯乙烯、多氯联苯、多氯三联苯、多氯化萘、短链氯化石蜡、灭蚊灵、三苯基锡类/三丁基锡类/二的氧化物、甲醛、重金属等，涉及范围完全满足各国际买家的&绿色采购&要求。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。