本文应用平均相对形率系列的方法,对油松和巴山松的干形进行了分折比较。
Stem forms of p. tabuldeformis Carr. and p. henryi Mast, were Compared using the method of average relative form-rate series.
因此,仿形靠模设计和制造的精度将直接影响油箱泄漏率的高低,进而影响油箱产品的质量。
In consequence, the designing and making accuracy will exert a direct influence on the leakage of tanks and the quality of the products.
通过设计阴极与砂轮廓形的对比,分析了成形砂轮轮廓形状,修整电压和电解液电导率对设计阴极形状的影响。
Comparing design cathode with wheel profile shape, effects of dressing parameters, wheel profile, dressing voltage and conductance on design cathode profile were studied.
六角形屋顶是最佳的太阳能电池板的存放位置,以三个面向太阳的最大入射率穿过天空。
The hexagonal roof allows for optimal solar panel placement, with three surfaces oriented for maximum solar incidence as the sun moves across the sky.
阐述了挤压铸造比压对形核率及成长线速度的影响。
Effects of the specific pressure on nucleation rate and linear growth velocity were expounded in squeeze casting.
分析结果发现ASC水泥固化体具有较好的孔形结构,这是ASC固化体浸出率低的原因;
The results showed that the pore structures of ASC matrix were better than those of OPC, and this determined the low leaching rates of ASC.
通过数值模拟与实验结果的比较,得出了获得较理想的成形薄壁筒形件时减薄率的选取范围。
Through the comparison of numerical simulation value and experiment results, the range of reduction ratio was obtained while the tube forming ideality.
将涤纶纤维进行不同收缩率、不同纤度、不同孔形的三异化设计,就能赋于织物特殊的外观和手感。
Unique appearance and hand-touch of fabrics can be achieved through special design of polyester fibres with different shrinkage, size and pore shape.
采用低频超声波处理大豆浆体以提高其蛋白质和固形物的萃取率。
Soybean slurry was processed by low frequency ultrasonic for enhancing the extraction rates of proteins and solids.
并给出了应用高分辨率线阵CCD构成微机辊形检测系统的应用实例。
Finally, it gives a practical application sample of microcomputer controlled roll shape detecting system with linear CCD.
这样的筛选技术和早期介入性治疗显著降低了患镰形细胞贫血症儿童的死亡率。
Such screening techniques and early intervention therapies have sharply lowered the mortality rate in children with sickle cell disease.
结果表明,多标分形介质膜系的反射率具有分形的自相似特征。
The numerical result shows that there is self similarity in the reflectivity of dielectric film system.
使用角膜内皮显微镜观察手术前后角膜内皮细胞的平均密度、六边形细胞所占百分率。
The average density of endothelial cells and the percentage of hexagonal cells of corneal epithelium were observed before and after operations.
为了得到可变的位率,在分形图像压缩中经常采用四叉树分割方法。
Quadtree partitions are often used in fractal image compression to achieve variable bit rates.
培养出的棱形细胞成分均一,增殖旺盛,分化率高。
The cells were highly homogeneous, proliferative and had a high differentiation rate.
围绕振动熵对凝固过程形核动力学的影响进行了讨论,提出了关于体现振动熵影响的凝固形核率的表达式。
The effect of entropy of vibration on the dynamics of forming nucleus of solidification processing was discussed and a expression for the rate of forming nucleus during solidifying was put forward.
借助于不同的色散公式,运用单纯形法拟合测得的透过率光谱曲线,从而获得薄膜的光学常数和厚度。
Based on the dispersion equations, 'Downhill Simplex' method is utilized to measure the thickness and optical constants of thin film by fitting the curve of measured transmission spectrum.
本文导出了高斯光束通过非线性抛物形梯度折射率棒透镜的变换公式。
The transformation formulae of Gaussian beams through a nonlinear parabolic graded index rod lens are derived.
为了减少工作电解液的配方试验工作量,利用单纯形法对高含水率(48%,质量分数)电解液进行试验设计。
In order to reduce experimental amounts, proportioning design of a new operating electrolyte with high water content (48%, mass fraction) was optimized by simplex method.
以干制金银花为原料,研究了加热浸提对金银花氨基酸、可溶性固形物浸出率的影响因素,采用正交试验优化了浸提条件。
The affecting factors of heating on the extraction of amino acids and soluble solids from dried honeysuckle were studied, and the extraction conditions were optimized by orthogonal design.
当杆的断面收缩率比杯形部分断面收缩率大得较多时,不适合直接用复合挤压成形。
When the shrinkage of the rod fracture surface much more than that of the cup part fracture surface, its formation by compound extrusion is not applicable.
同时利用分形克里金插值理论,建立了孔隙度和渗透率的分形几何模型。
The fractional geometry model of porosity and permeability was developed based on fractional Kriging interpolation principles.
结果表明,颅形以楔形为主(出现率为52.94%),其次为盾形(35.29%);
The results suggested that the main cranial shape is sphenoid (52.94%), the next is brisoid (35.29%).
确定了超过冷条件下晶体组织的骤然细化起因于大过冷度下的高形核率。
The sudden refinement of crystal structure is determined by the high nucleation rate under large undercooling.
丙烯腈和二乙烯基苯在聚丙烯上接校共聚,再经二甲苯率取,得笼形氰基树脂。
Acrylonitrile copolymerized with divinylbenzene on polypropylene and then extracted with xylene, the cage cyano resin was obtained.
油性皮肤或混合性皮肤学生蠕形螨感染率及患酒渣鼻、痤疮等面部疾患的概率均较高。
The students of oily and mixed skin have higher infection rate and more susceptible to acne and rosacea.
根据分形几何理论,提出了一个预测孔隙介质渗透率的分形毛管模型。
A fractal capillary model for predicting permeability of a porous medium (eg. grainstone) is presented according to the fractal geometry.
还探讨了固形物浓度和酶用量对除糖率的影响。
The effects of solid concentration and enzyme dosage on sugar removing rate were also investigated.
在观测和计算的基础上,对微空洞的形核率和长大率与塑性应变的关系进行了分析和讨论。
Based on these observations and computations, some analytical results have been made to show strain dependency of voids nucleation rate and voids growth rate.
在观测和计算的基础上,对微空洞的形核率和长大率与塑性应变的关系进行了分析和讨论。
Based on these observations and computations, some analytical results have been made to show strain dependency of voids nucleation rate and voids growth rate.
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