正交的

In this paper, to attain a soft film and good coverage on the surface of the leather the application of thermal foaming resin SQ9901 at the basecoat of buffed grain is studied by orthogolanity test.

采用正交试验法对热发泡树脂SQ990 1在磨面革底涂中的应用进行研究，使其达到成膜柔软、遮盖良好的目的。

Meanwhile the influence of the amount of catalyst alkali ethylate and absolute alcohol,the temperature and time of reaction on interesterification was studied.

利用正交试验研究了酯交换法制备卤虾油脂肪酸乙酯的工艺，分析了催化剂用量、反应温度、反应时间、无水乙醇用量等对醇解率的影响。

Methods:Supercritical CO2 extraction was used with absolute alcohol as entrainer,and the L9(33)orthogonal experiment was designed,and the effects of extraction pressure,temperature and material-entrainer ratio on the extraction rate were investigated.

以无水乙醇做夹带剂，采用超临界CO2萃取法，并设计L9(33)正交实验，考察萃取压力、萃取温度和物料与夹带剂的料液比对萃取率的影响。

The effects of some factors, such as reaction temperature, reaction time, substrate concentration and yeast concentration, on the acetophenone conversion and- 1-phenylethanol enantioselectivity were investigated by orthogonal experiments.

研究了酵母细胞催化芳香酮的不对称还原反应，采用正交试验综合考察了反应温度、反应时间、底物浓度和酵母浓度等因素对底物苯乙酮转化率和产物1苯基乙醇对映选择性的影响。

Through the orthogonal experiment, the optimum condition for tagatose synthesization was determined to be 0.02 mol/L calcium chloride, 30 min, acetum neutralization.

通过正交设计实验优化反应条件，最终确定以0.02 mol/L的CaCl2为催化剂，反应时间30 min，用醋酸中和金属氢氧化物D-塔格糖复合物时，D-塔格糖的产率最高，可达到49.05%。

The weight of water in bottle was quantified as soon as the separation. Results After orthogonal lay was designed to confirm the measurement method of adhesive force.

结果 通过正交试验，确定粘附力的测定方法，然后对同一批卡波姆980片的粘附力进行测定结果显示，精密度为0.0255。

Therefore, in order to offer reference to readers, the paper systematically expound and prove the eigenvalue of special matrix that base on idempotent matrix, antiidempotent matrix, involutory matrix, anntiinvolutory matrix, nilpotent matrix, orthogonal matrix, polynomial matrix, the shape of , matrix, diagonal matrix, invertidle matrix, adjoint matrix, similar matrix, transposed matrix, numerical matrix, companion matrix, and practicality and superiority of the achievement was showed by some examples.

为此本文系统地阐述幂等矩阵，反幂等矩阵，对合矩阵，反对合矩阵，幂零矩阵，正交矩阵，多项式矩阵，形为：，矩阵，对角矩阵，可逆矩阵，伴随矩阵，相似矩阵，转置矩阵，友矩阵一系列特殊矩阵的特征值问题并加以证明，并通过一些具体例子展示所得成果的实用性和优越性。

A new algorithm is proposed using wavelet transform and Hilbert transform to calculate the reactive power.

提出了正交小波变换和希尔伯特变换相结合的无功功率测量算法。

Legendre moments have been successfully used in pattern recognition and image analysis.

Legendre正交矩在模式识别、图像分析等许多领域有成功的应用。

Legendre moment has been widely used in pattern recognition and image processing. It has the merits of orthogonality and minimal information redundancy.

摘 要： Legendre矩在模式识别、图像分析等领域有广泛的应用，具有正交、无冗余性等优点。

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