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- an orthogonal section 正(交)剖面
- An orthogonal matrix is an invertible matrix for which the inverse is equal to the transpose. 正交矩阵是可逆矩阵,其逆矩阵等于其转置矩阵。
- AN ORTHOGONAL EXPERIMENT TO OPTIMIZE ULTRASONIC EXTRACTION OF FLAVONOIDS IN HIPPOPHAE RHAMNOIDES L. 正交试验法优选沙棘总黄酮的超声波提取工艺。
- In many cases sample coordinates are recorded on an orthogonal grid coordinate system. 在多数情况下,样品坐标记录在正交网络坐标系。
- A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
- The extraction technology of flavonoid in Metasequoia by microwave with an orthogonal test was studied. 采用正交试验方法,确立了徽波法提取水杉黄酮的提取工艺条件。
- The mechanical properties of a skew girder bridge differ a great deal from those of an orthogonal girder bridge. 斜梁桥的力学特点与正交梁桥相比有很大区别。
- An orthogonal design and cellular automata based acceleration parallel genetic algorithm (APGA) is presented. 为此,结合正交试验设计和元胞自动机模型,提出了一种改进的加速并行遗传算法(APGA)。
- In this paper, an orthogonal designing method was used for the optimal design of an exhaust muffler for vehicle. 利用正交设计方法对汽车的排气消声器进行优化设计,弄清了不同参数对消声器性能的影响和变化规律。
- Physically, a channel can be a frequency band(under FDMA), or an orthogonal code(under CDMA).Then, there is no interference between two routes. 通过一次路由发现,获得两条节点不相交路径,按照每包分配策略,把数据交替在两个信道的不同路径上进行传输。
- The pavilion's main structure is an orthogonal wireframe of aluminium tubes that are curved in only one direction to simplify construction. 该展区的主要结构是正交线框铝管是弯曲只适用于一个方向,以简化建设。
- The optimum fermentation condition was studied by an orthogonal method, which is glucose 50g/L, yeast extract paste 30g/L, MgSO4 0.5g/L. 利用正交设计试验探索出该变异株的最佳发酵培养基配比为葡萄糖50g/L,酵母膏30g/L,硫酸镁0.;5g/L。
- The condition for extracting carotenoids from Folium Perillae was optimized through odd factor tests and an orthogonal experiment. 本文通过单因素和正交实验确定了从紫苏叶、白苏叶中用溶剂法提取类胡萝卜素的最佳工艺条件。
- Abstract The effects of enhancer on the percutaneous absorption of panax notoginseng cataplasma were investigated in an orthogonal design experiment. 三七巴布剂是一个亲水凝胶型透皮系统,用于散瘀活血,治疗跌扑肿痛及急性软组织损伤。
- The effects of different concentrations of 2,4--D, NAA and KT on the callus formation and somatic embryogenesis of Cymbidium hybridum were investigated using an orthogonal design. 采用正交试验设计方法研究了3种激素2;4-D、萘乙酸(NAA)和激动素(KT)不同浓度对4个不同品种大花蕙兰茎段愈伤组织诱导和体胚发生频率的影响.
- Abstract: A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 文摘:给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
- The semi singular value decomposition A=USR is suggested,where U is an orthogonal matrix,S is a diagonalizable matrix and R is a upper-triangular matrix. 提出了半奇异值分解A=USR,其中U为正交矩阵,S为对角矩阵,R为上三角矩阵。
- The effects of a lipase method,a physical-chemical method and a compound method on chicken wings degreasing were compared by a single factor experiment and an orthogonal test. 采用单因子和正交试验,研究酶法、理化法以及两种方法联合对鸡翅进行脱脂的效果。
- Meanwhile, an orthogonal test was used to find the optimal condition to improver the wettablity.The effect significance of every element was also studied. 另外还对试验结果进行了统计分析,对最佳试验条件的选择进行了初探,并讨论了各个因素对试验结果影响的显著性大小。
- In order to effectively machine an orthogonal face gear,the geometrical design of tooth profile and the undercut condition for the gear are investigated via the enveloping method. 为了实现正交面齿轮的加工,采用包络法对正交面齿轮齿廓的几何设计方法和根切条件进行了研究。