Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation.

采用均匀沉淀法合成碳酸铅,在此基础上通过高温解制备纳米氧化铅。

After the process of chlorization, hydrolytic decomposition and condensation, the hemopexis acid amine product was obtained.

用胡椒醛为起始原料,经氯化、水解、缩合,制得血凝酸胺。

The thermal decomposition of single, double-and triple-base nitroguanidine propellants was studied by differential scanning calorimetry (DSC).

用差示扫描量热计（DSC）研究了单基、双基和三基药热解能。

The current preperation methods of strontinum carbonate from celesite are carbon reduction method and double decomposition method.

中国天青资源十,但矿品位低、杂质含量高,需经选矿除杂后才能作为生产碳酸锶的原料。

Educational property rights has the attributes of exclusiveness and responsibility, limitedness, transaction, decomposition and entireness and behavior.

教育产权具有排他和尽责、有限、可交易、可解与整体、行为等属。

After the precursor's thermal decomposition under the protection of nitrogen,a kind of nonstoichiometric titanium oxide can be prepared.

用钛粉和草酸反应制得前驱物,在氮气保护下600℃热解前驱物制备了一种非化学计量钛氧化物。

Fluorapatite was prepared by adopting double decomposition method, and the properties were characterized by XRD, XPS and antibiotic testing.

采用复解反应制备了氟磷,有、无锌离子的氟磷进行结构和能比较。

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及解、生成等问题.

In this paper by applying the poloidal-toroidal decomposition of a velocity field, Oberbeck-Boussinesq equations are transformed into a new equivalent system.

本文利用速度场的poloidal-toroidal解，把Oberbeck-Boussinesq方程组转化为一个等价的方程组。

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,利用亏失数、剩余数的理论,讨论了局部环上辛变换关于辛平延的解。

Gley (glei) A waterlogged soil lacking in oxyen, in which raw humus accumulates as a result of lack of decomposition by bacteria.

是一种氧含量低而水含量很高的土壤，由于缺少解细菌而在其内积累了大量的腐殖质。

The formation of the skin layer agrees with the spinodal decomposition (SD) mechanism, and the thermodynamic factor plays the leading role in this process.

膜的皮层按旋节线相机理形成，主要由热力学因素决定。

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.

摘要采用尼龙解袋的方法，四川岷江上游地区连香树、云南松、糙皮桦和云杉4种典型人工林凋落叶进行田间混合解试验。

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.

本文应用原子吸收光谱法析冶金样品过程中的试样解和析样品的制备方法进行了较详细的阐述,并列举了几种基体合金的具体析方法。

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.

随着照度的增大，花青素类色素的光降解速率也增大，但光降解速率常数的改变和照度之间不存在线应关系。

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.

采用硝酸解法可制取纯度高于99%的三氧化二铟.本法具有设备少、操作简单、成本低、见效快等优点.