文摘

Al.were studied in the laboratory,and individua l delta-form crystals of antioxidant1010 with good stability,fast drying speed,hi gh purity,heavy bulk density,good flowability,low volatility was obtained.

文摘：在乙醇、低级醇A和水三元混合溶剂中，通过对抗氧剂1010粗品的重结晶精制研究，制备得到了纯度高、堆密度大、流动性好、挥发份低、质量稳定、干燥速度快的δ－型抗氧剂1010。

Using the convective-dispersive equation and based on labo ratory exp eriment, the hydrodynamic dispersion coefficient of unsaturated soil is determi n ed under different inial soil water content, different manner of water infiltra t ion and fertilizer supply.

文摘：用非饱和土壤水动力弥散方程及其解析解，在室内试验的基础上，研究了非饱和土壤在不同初始含水量、不同入渗方式及不同加肥方式下的水动力弥散系数。

Using the convective-dispersive equation and based on labo ratory exp eriment, the hydrodynamic dispersion coefficient of unsaturated soil is determi n ed under different inial soil water content, different manner of water infiltra t ion and fer

文摘：用非饱和土壤水动力弥散方程及其解析解，在室内试验的基础上，研究了非饱和土壤在不同初始含水量、不同入渗方式及不同加肥方式下的水动力弥散系数。

In Fourier transform profilometry,because of the nonlinear relationship between the irradiant incident upon a CCD dete ctor andthe voltage it outputs,it will cause phase evaluation errors.Here,we ex plain the errorsource by theoretical deducing,then make a simulation.At last,a method to decrease thiserror is put forward.

文摘：在傅里叶变换轮廓术中，由于CCD探测器光电响应的非线性，将在测量中引入高次项，从而对相位的求解造成较大误差，通过理论的推导定性地解释了误差的来由，并用计算机进行了模拟计算，最后提出了减小误差的方法。

In Fourier transform profilometry,because of the nonlinear relationship between the irradiant incident upon a CCD dete ctor andthe voltage it outputs,it will cause phase evaluation errors.Here,we ex plain the errorsource by theoretical deducing

文摘：在傅里叶变换轮廓术中，由于CCD探测器光电响应的非线性，将在测量中引入高次项，从而对相位的求解造成较大误差，通过理论的推导定性地解释了误差的来由，并用计算机进行了模拟计算，最后提出了减小误差的方法。

Discuss a technique of oil tube elevator,introduce the constrution,principle,and safety of the new oil tube elevator latcher,and analyse the economic benefit and the apply prospect of the oil tube elevator with the exchangeable erescent elevator

文摘：介绍了新型吊卡销的结构和原理与安全性，剖析了可更换小月牙式油管吊卡的经济效益和推广应用前景。

Discuss a technique of oil tube elevator,introduce the constrution,principle,and safety of the new oil tube elevator latcher,and analyse the economic benefit and the apply prospect of the oil tube elevator with the exchangeable erescent elevator recess.

文摘：介绍了新型吊卡销的结构和原理与安全性，剖析了可更换小月牙式油管吊卡的经济效益和推广应用前景。

Cuticles of Christensenia aesculifolia, Marattia pellucida, Angiopteris caudatiformis and Archangiopteris henryi of Marattiales were examined by using light and scanning electron microscopes.

文摘：运用扫描电镜和光学显微镜对观音座莲目4种植物的叶角质层进行了研究。

In this paper, we investigate the problem of the existence of transcendental meromorphic solutions of a type of algebraic differential equation and obtain a result.

文摘：讨论了一类代数微分方程的超越亚纯解的存在性问题，得到了一个结果。

Positron spectroscopy is a new and sensitive microanalytical probe for characterization of polymer microstructures.

文摘：简要介绍了近年来正电子谱学在聚合物微结构研究中的主要应用及进展。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐