1.Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation.
采均匀沉淀法合成碳酸铅,在此基础上通过高温分解制备纳米化铅。
2.After the process of chlorization, hydrolytic decomposition and condensation, the hemopexis acid amine product was obtained.
胡椒醛为起始原料,经氯化、水解、缩合,制得血凝酸胺。
3.The thermal decomposition of single, double-and triple-base nitroguanidine propellants was studied by differential scanning calorimetry (DSC).
差示扫描热计(DSC)研究了单基、双基和三基药热分解性能。
4.The current preperation methods of strontinum carbonate from celesite are carbon reduction method and double decomposition method.
中国天青石资源十分丰富,但矿石品位低、杂质含高,需经选矿除杂后才能作为生产碳酸锶的原料。
5.Educational property rights has the attributes of exclusiveness and responsibility, limitedness, transaction, decomposition and entireness and behavior.
教育产权具有排他性和尽责性、有限性、可交易性、可分解性与整体性、行为性等属性。
6.After the precursor's thermal decomposition under the protection of nitrogen,a kind of nonstoichiometric titanium oxide can be prepared.
粉和草酸反应制得前驱物,在氮气保护下600℃热分解前驱物制备了一种非化学计化物。
7.Fluorapatite was prepared by adopting double decomposition method, and the properties were characterized by XRD, XPS and antibiotic testing.
采复分解反应制备了氟磷灰石,对有、无锌离子的氟磷灰石进行结构和性能比较。
8.The stability,decomposition and generation of the acetic acid halid and other organic halide in the treated water is briefly discussed.
简述了生成的卤化乙酸和其它有机卤化物的稳定性及分解、生成等问题.
9.The decomposition of symplectic transformation about symplectic transvection over local rings by theory of defective number and residue number is discussed.
研究了局部环上辛变换的辛平延,利亏失数、剩余数的理论,讨论了局部环上辛变换关于辛平延的分解。
10.In this paper by applying the poloidal-toroidal decomposition of a velocity field, Oberbeck-Boussinesq equations are transformed into a new equivalent system.
11.Gley (glei) A waterlogged soil lacking in oxyen, in which raw humus accumulates as a result of lack of decomposition by bacteria.
是一种含低而水含很高的土壤,由于缺少分解性细菌而在其内积累了大的腐殖质。
12.The formation of the skin layer agrees with the spinodal decomposition (SD) mechanism, and the thermodynamic factor plays the leading role in this process.
膜的皮层按旋节线分相机理形成,主要由热力学因素决定。
13.Decomposition of mixed foliar litters from the four typical plantitions in upper reaches the of the Minjiang River was studied by using the litterbag method.
14.The article expounds the sample decomposition and the method of the sample preparation by applying the method of atomical assimilation spectrum, and lists some specific analytical of metallurgy.
15.When the illuminance rose, the photic decomposition rates of the natural anthocyan pigments rose as well, but there was no linear relation between photic decomposition rate and illuminance.
16.The indium sesquioxide with over 99% purity can be prepared by a decomposition of nitric acid. The method was characterized by fewer equipments, simple operation, low cost and quick yield.