查询词典 ratio of transmission

Through analysis of the characteristics of power flow, transmission efficiency and self-lock of a combined planetary transmission, a design method based on the power design parameter of the bifurcated power of the main branch and the total input power ratio was developed in this paper.

对组合式行星传动的功率流特性、传动效率、自锁条件等进行了分析，提出了以系统主支路功率流大小与输入总功率的比值为功率参数的设计方法，并给出了系统实现功率分流传动和自锁的判别准则。

OVCs were isolated by density ladder centrifugation in the 4th week, and then OVC's morphology was observed under transmission electromicroscrope and immunocytochemistry were performed to detect the expression of ICAM-1. Results Observing OVC's morphology under transmission electromicroscrope showed that OVC was infantile and undifferentiated with big nucleus, clear nucleolus, large nucleoplasm-ratio, small mitochondria, and little endoplast.

结果 透射电镜下观察到OVCs超微结构的改变为核大，核/浆比大，核仁小，胞浆内细胞器少，可见少量内质网和小线粒体，整个细胞呈幼稚、未分化状态；ICAM-1免疫细胞化学检测阳性；损伤肝组织HE染色和ICAM-1免疫组化检测显示，肝损伤初期，Hering管周围OVCs增生并且ICAM-1阳性表达，随着肝损伤的加重，OVCs继续增生，并且，OVCs沿增生的肝纤维向肝小叶迁移，同时，ICAM-1阳性表达也继续增多，并逐渐向肝小叶弥散分布；透射电镜下观察到，肝损伤初期，OVCs在Hering管周围增生，肝纤维随之增生，增生的OVCs与肝纤维黏附生长。

OVCs were isolated by density ladder centrifugation in the 4th week, and then OVC's morphology was observed under transmission electromicroscrope and immunocytochemistry were performed to detect the expression of ICAM-1. Results Observing OVC's morphology under transmission electromicroscrope showed that OVC was infantile and undifferentiated with big nucleus, clear nucleolus, large nucleoplasm-ratio, small mitochondria, and little endoplast. In initial stage of damaged liver, OVCs and the expression of ICAM-1 mostly distributed around Hering duct, and then gradually increased and expanded toward hepatic lobule, shown by staining paraffin sections with HE, immunochemistry and transmission electromicroscrope. Immunocytochemistry indicated that ICAM-1 expression on OVCs was positive.

结果 透射电镜下观察到OVCs超微结构的改变为核大，核/浆比大，核仁小，胞浆内细胞器少，可见少量内质网和小线粒体，整个细胞呈幼稚、未分化状态；ICAM-1免疫细胞化学检测阳性；损伤肝组织HE染色和ICAM-1免疫组化检测显示，肝损伤初期，Hering管周围OVCs增生并且ICAM-1阳性表达，随着肝损伤的加重，OVCs继续增生，并且，OVCs沿增生的肝纤维向肝小叶迁移，同时，ICAM-1阳性表达也继续增多，并逐渐向肝小叶弥散分布；透射电镜下观察到，肝损伤初期，OVCs在Hering管周围增生，肝纤维随之增生，增生的OVCs与肝纤维黏附生长。

A simplified computed formula of a piezoelectric microgripper transmission organ′s transmission ratio and the angle of rotation is deduced according to the traditional method of the static equilibrium, geometric relation of mechanistic kinematics and flexible gemel.

以压电驱动式微夹钳为例进行微夹钳传动系分析，按传统的静力平衡和机构运动几何关系及柔性铰假设方法推导出其速比和转角简化计算公式。

It can show the relation of angular speed for each component of automatic transmission. This paper established general mathematical models of multi-DOF transmission analysis on speed ratio and kinematics and dynamics. As generalized coordinates with parameter of independent component. And the developed relevant general programs.

以运动独立构件为广义坐标，建立了包含任意接合元件的多自由度变速器的档位分析，运动分析，力矩分析和动力分析的通用数学模型，并开发了相应的通用计算机程序，通过对典型变速器的实例分析，验证了所建立的通用数学模型的正确性以及所开发的计算机通用程序的有效性。

Result 1 Magnetic nanoparticles, magnetic nanoparticles modified with antisense oligodeoxynucleotide of human telomerase reverse transcriptase induced HL-60 tumor cells to apoptosis, we could see typical morphologic change of apoptosis cells: karyopyknosis, chromation"s condensing and aggregation in nuclear, forming crescent-shaped or annulus structures to lean on edge of cell nucleus"s membrane and posing apoptosis body by Atomic Force Microscope, Fluorescence microscope, transmission electron Microscope 2 There was a significant difference compared with control group(p.01), inhibition ratio had significant positive correlation with medication dosage and time ;during 0.8-8μM dosage amplitude, inhibition ratio accrescenced by dosages increasing. However, the inhibition ratio would decrease when dosage over 8-80μM.

结果 1 磁性纳米粒子、修饰有端粒酶反义寡核苷酸的磁性纳米粒子诱导HL-60细胞发生凋亡，原子力显微镜、光学显微镜、荧光显微镜和透射电镜下均观察到HL-60细胞呈现典型的凋亡细胞的形态变化：细胞核固缩，核内染色质浓缩、凝聚、形成新月形或环状结构紧靠在细胞核膜边缘，并形成凋亡小体。2 磁性纳米粒子、修饰有端粒酶反义寡聚脱氧核苷酸的磁性纳米粒子对HL-60肿瘤细胞的生长和增殖有明显的抑制作用，与对照组相比有显著性差异(p＜0.01)，在剂量为0.8-8μmol／L范围内，抑制率随剂量的增加而增加，当剂量超过8μmol／L时，抑制率反而下降；3 磁性纳米粒子、修饰有端粒酶反义寡聚脱氧核苷酸的磁性纳米粒子可增强p53基因的表达活性，引起DNA降解损伤，反向调节细胞周期活动，促使细胞从G0期进入G1期，抑制肿瘤细胞的生长。4 修饰有端粒酶反义寡聚脱氧核苷酸的量子点能通过内吞作用进入HL-60肿瘤细胞的细胞核，可以在细胞内进行定位和促进HL-60肿瘤细胞的凋亡。

Address the characteristics of non-uniform speed transmission, position function control and transmission ratio function control were presented to realize electronic gearbox. The differences between position function curve interpolation and general NC interpolation were analyzed. Considering the effect of uncontrollable continuous principal motion, interpolation slope and position function precompensation interpolation were presented. The relationship among interpolation, servo dynamic response and transmission precision was studied. The coordinate linkage relationship and electronic gearbox scheme in noncirclar gear hobbing were studied.

对电子齿轮箱实现非匀速比传动进行了研究，提出了位置函数控制与传动比函数控制两种非匀速比传动关系的实现方法；对位置函数控制方式，分析了位置函数曲线的插补与普通数控插补方法的区别，提出了插补斜率的概念与位置函数曲线的预补偿插补方法；对非匀速比电子齿轮箱传动精度进行研究，得出了插补精度、伺服系统动态性能指标与传动精度之间的关系；研究了非圆滚齿加工坐标联动的非匀速比传动关系，列出了多种可以满足要求的电子齿轮箱传动方案。4。

The basic parameters of cement are elastic modulus, poisson's ratio and the thickness of cement;they do have impact on the coefficient of pressure transmission of surrounding rock and the coefficient of inflation pressure transmission of casing

水泥环的基本参数弹性模量、泊松比和厚度对围压压力传递系数和套管压力传递系数都有影响

These problems were all solution under the help of my teacher and classmates, because the entire transmission system requests the transmission quite is big, therefore used the structure to be compact, velocity ratio big worm gear worm drive; regarding two kind of different working speeds, used has dialed forks with the twin gear combination realizes between the different speed transformation; regarding the screw tap break, the decayed teeth phenomenon solution is in attacks in the refuse silk to establish the friction disk transmission, may solve this problem well using the friction disk transmission characteristic, now the Dragon Gate type taper has been basic designed, its performance has been waiting for the production practice the confirmation.

这些问题在老师和同学们的帮助下都已基本解决，由于整个传动机构所要求的传动比较大，故采用了结构紧凑，传动比大的蜗轮蜗杆传动；对于两种不同的工作速度，采用了拨叉和双联齿轮的组合来实现不同速度之间的转换；对于丝锥断裂，烂牙现象的解决办法是在攻丝头中设置摩擦片传动，利用摩擦片传动的特性就可以很好地解决这个问题，现在龙门式攻丝机已基本设计出来，其性能正在等待生产实践的验证。

Therefore, in this paper a new mechanics method is studied, i. e. a group of equations were set up and solved by the equilibrium conditions of the couple system. The transmission ratio and the meshing efficiency calculation formula were derived by this method. According to the law of conservation of energy. Hence then the above profound problems are analyzed and solved in a simple way. epicyclic gear train ; couple system ; transmission ratio ; meshing efficiency

故根据平面力偶系平衡条件可以很方便地推导出轮系传动比和啮合效率公式，与其它方法[卜3]不同之处还在于，本文根据能量守恒定律，不需分析啮合功率的流向，便可解决啮合效率的计算问题。1理论基础1.1基本周转轮系的力矩关系式图1为常用的2K—H型基本周转轮系，当轮系匀速转动工作时，根据受力平衡条件，作用在▲图l 2K_H基本轮系三个基本构件上的力偶矩应满足以下关系式[1]：兰=簇=撬㈤一1一涅稍一1一涅稍

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。