中腔

中腔胞壁比值法测定棉纤维成熟度系数的讨论

Determinaton of cotton maturity coefficient by lumen width-cell wall thickness ratio method

棉纤维的最内层组织叫中腔。

The innermost region of cotton is called lumen .

利用ANSYS软件及其分析设计方法，对阀体中腔安装四合环的位置进行了有限元应力分析。

This article uses the ANSYS software and analysis design method to make a detailed finite element stress analysis of the head of valve body where placed the quarter rings .

本文分析了新的激光调Q方法&自聚焦调Q的几项特性，其中包括调Q过程中腔几何损耗的变化、Q开关参数、巨脉冲参数、第二阈值等。

Some properties of Laser Q switching by self focusing are given , including the changes of the geometric losses of resonator induced by the external self focusing , the parameter of Q switching , the parameter of giant puls and Second threshold etc.

染料的色散型光学双稳器件中腔参数优化的实验研究

Experimental Study of Cavity Parameter Optimization of Refractive Optical Bistability Device

中空纤维中腔结构及其应用性能研究

Central cavity structure of hollow fiber and its application

透平叶片中腔的强化冷却研究

Enhancement of heat transfer in turbine blade cooling

由此对纤维截面几何特征分析，得出主要特征参数为纤维当量截面积、异形系数和中腔纹。

Cross-sectional area , profiled coefficient and lumen line of single fibres , have been obtained according to fibre geometrical analysis .

此外，我们研究了腔增强方案中腔的精细度、功率增强因子、最佳反射率、最佳的材料吸收等参数。

Furthermore , we discuss some parameters in this scheme , such as cavity fineness , enhanced factor , optimal reflectivity and absorption .

天然竹纤维经松弛式烧碱处理后，纤维膨胀，中腔变小，纤维的结晶度和结晶指数均下降；

After the slack caustic treatment , the bamboo fibers are swollen , the central hole or lumen becomes small , and the crystallinity is reduced .

通过扫描电镜观察，棉秆皮纤维的横截面为椭圆形，纤维有中腔，为天然中空纤维；纵向有沟槽，表面凹凸不平。

By observing in SEM , the cross section of the cotton stalk fiber is found to be oval-shaped with cavity , therefor it is a natural hollow fiber ; the vertical section of the fiber has grooves , and the surface is uneven .

中腔胞壁对比法等直接测试方法，按照成熟度的定义提取棉纤维胞壁厚度等参数，但测试速度慢、检测纤维根数少，不能很好的指导生产。

The direct methods such as lumen and wall thickness constract method , can extract parameters ( wall thickness etc. ) based on maturity definition . But production can not be guided well because their testing speed is slow and quantity of measured fibers is small .

目的了解辅助生殖技术（ART）周期中宫腔积液对临床结果的影响。

Objective To investigate the role of endometrial cavity fluid ( ECF ) in assisted reproductive technology ( ART ) cycles and its influence on clinical pregnancy .

两组运动中死腔量与潮气量比值（VD／VT）均显著降低，但COPD组的降低幅度较小。

VD / VT ratio decreased significantly during exercise in both groups , but the decrease in COPD patients was less than that in controls .

在铯束频率基准中，腔相位差公式中的原子有效速度VP和二级Doppler效应公式中的原子有效速度vD都是难于确定的，因为它们与实际的原子速度分布有关。

In cesium beam frequency standard , the effective velocity of atom vp in the formula of cavity phase shift and VD in the formula of second-order Doppler effect are difficult to be determined , since they are related to the velocity distribution of atom practically used .

此文针对一种实用的、宽带可调窄通带、同轴加载型滤波器中谐振腔的谐振频率进行了深入详尽的讨论。基于上述分析，借助HFSS仿真优化得到一S波段滤波器。

A kind of concrete loaded coaxial filter is discussed and the resonant frequency calculated accurately . Base on thess analysises , we work out a S-band coaxial filter aided by simulating and optimizing in HFSS .

CD24在乳腺小叶增生、乳腺导管单纯增生见于小管的腔缘阳性；在癌组织中除腔缘阳性外，可出现膜浆阳性。

The expression of CD24 was found in Cavity edge of a small tube of breast lobular hyperplasia , ductal hyperplasia cavity in cancer tissues , in addition to positive margin , the plasma membrane .

岩盐开采生产中溶腔形状的智能控制方法

Method of Intelligent Control for Cavity Shape of Salt Solution Production

超燃冲压发动机燃烧室中双凹腔对引导氢分布的影响

The Influence of Dual-cavity on Pilot Hydrogen Distribution in Scramjet Combustor

血液透析机中平衡腔技术与流量平衡技术的比较

Comparison of Balance Chamber and Flow Balance in Hemodialysis Machine

非稳腔中调腔孔对光束质量的影响

Influence of an alignment hole on the beam quality of unstable resonator

水溶采矿中溶腔形状变化的数值模拟

The Computer Simulation of Salt Cavity Washing in Solution Mining

铯束频率标准中微波腔的温度频率效应

The temperature-frequency effects of the Ramsey cavity in Cs beam frequency standard

术中双腔支气管插管位置监测方法的评估

Evaluation of the monitorings in positioning double-lumen endobronchial tubes during one-lung ventilation

飞秒光学参量振荡器中谐振腔的最佳聚焦设计

Cavity design of femtosecond optical parametric oscillators for optimum

新型垂直腔半导体光放大器中有效腔长的理论分析

Theoretic analysis on the effective cavity length of new vertical-cavity semiconductor optical amplifiers

液压缸摩擦热成形过程中模腔的保护

Protection of Cavity in the Friction Heat Forming Process

浅谈国毛条中粗腔毛、死毛的染色同色性

Discussion on the tone-on-tone effects of the medullated and dead wool with mordant dyeing

振动强化对金属粉末注射成型中模腔压力的影响

Effects of vibration enhancing on the cavity pressure of metal powder injection molding process

自钻式旁压试验中邻近腔壁土的应力路径分析

Analysis of stress paths in clays adjacent to cavity wall during self-boring pressuremeter tests