查询词典 micro-crystal

Use the camera system X、Y and micro-angle to contraposition, BGA solder ball overlap with the PCB board plate

利用摄像对位系统X、Y微及角度微调进行对位，使BGA锡球与PCB板焊盘重叠

To speed up the calculation on micro-computer, some new concepts of dynamic relaxation factor, average convergence rate and total average convergence rate are defined in this thesis.

为了能够在微机上分析复杂铸件的流动问题，论文首次提出了"动态松驰因子"、"平均收敛率"及"总平均收敛率"的概念。

Based on previous study,the authors deduced the three-dimensional relationship between micro-contact force and the macro-stress on convex polyhedron.

在前人研究的基础上，针对凸多面体相互接触的性质，推导了三维状态下的微观接触力和宏观应力的关系，并应用于结构性土的研究中。

In order to predict the mechanical property and strength of the plain woven fabric composite, a finite element model of the Representative Volume Element with a convexo-convex structure was established based on plain woven fabric laminates in the distribution of micro yarn.

为更准确预测平纹织物复合材料的强度，基于平纹织物层合板内纱线的细观分布，建立具有双凸结构的特征体积单元RVE有限元模型。

In the last, we will present the driving amplifier in millimeter wave circuit. The operating frequency is on 60GHz and using the micro-strip and coplanar strip line to implement.

最后将介绍在毫米波电路中的趋动放大器，操作频率在60GHz，并且采用传输线与共平面波导的方式来实现之。

The system uses PXA255 processor with DSP coprocessor as a micro controller. The composition and the principle of the system are introduced.

该系统采用带有DSP协处理器的PXA255微处理器作为微控制器单元，介绍了它的组成及原理。

These live rocks provide the foundation for most of the living corals and also helped to seed the exhibit with a wide diversity of micro-fauna and flora, including coralline algae.

这些活石为大部分活珊瑚提供生存基础，也有助于促进各式各样微型动植物的生长，其中包括珊瑚藻等。

A combination cordwood micro manipulation robot system is successfully developed, which is composed of a set of translation and rotation modules driven by piezoelectric actuators.

基于组合积木思想，研制出机构、驱动、检测一体化的压电陶瓷微动机器入系统。

The effects of FPL andits three ingredients on growth of ovary,on micro-and ultra-structure andAlkaline phosphatase activity of endometrium,on structure andkeratinization rate of exfoliated cells in vaginal epithelium in mice,onmicrocirculation in rat and on uterine kinesis in rabbit were respectivelyobserved by the techniques of light and electron microscopes,histochemistry,microcirculation and organ cinetography.The results have confirmed themechanism of FPL for the sterility caused by ovary standstill and persistentcorpus luteum to be as follows:(1) a weak estrogen-like role which canprompt development of ovary,proliferation and secretion of endometrium andvaginal epithelium and cornification of exfoliated cells in vaginal epithelium;(2)enhancing AKP's activity of endometrium;(3)improving microcirculation;(4) exciting uterus.

分别采用光学显微镜和电子显微镜技术、组织化学技术、微循环技术和器官运动描记等现代医学实验技术，观察了促孕液对小白鼠的卵巢发育、子宫内膜的显微和超微结构和碱性磷酸酶活性、阴道上皮结构和脱落细胞的角化率、对大白鼠的微循环和对家兔的子宫运动的影响，结果证实了促孕液治疗卵巢静止、持久黄体的机理：(1)微弱的雌激素样作用，能刺激卵泡发育，促进子宫内膜和阴道上皮增生、分泌和阴道上皮脱落细胞角化；(2)提高子宫内膜碱性磷酸酶的活性；(3)改善微循环；(4)促进子宫运动。

Changes of lung ultrastructures: The results of electron microscope showed that in group 1, there were swelling mitochondria was arranged in disorder, less matrix, and hyalomere appeared, thin double-deck membrane in 50% samples: Interalveolar septum stroma was with edema in 60% samples; Polymorphonuclear leukocyte gathered in vessel or emigrated out of vessel in 50% samples; In group 2, double-deck membranes of mitochondria were integral, densely matrix showed micro-granule shape in 90% samples; Pinocytosis in epithelial cells of type Ⅰ lung strengthened, being destroyed, and pinocytosis in endothelial cells strengthened in 10% samples; lnteralveolar septum stroma was with edema, no polymorphonuclear leukocyte gathered in vessel or emigrated out of vessel or corpuscule was empty in type Ⅱ alveolar epithelium in 20% samples.

肺组织超微结构改变观察：纯氧机械通气组50%标本线粒体肿胀、排列紊乱，基质变浅，出现透明区，双层膜变薄，60%标本肺泡隔间质水肿，50%标本多形核白细胞血管内聚集或游出血管外现象；34%氧浓度机械通气组90%线粒体双层膜较完整，基质致密呈细颗粒状；10%标本可观察到Ⅰ型肺上皮细胞有吞饮增强、破坏及内皮细胞吞饮增强；20%标本肺泡隔间质水肿；未见到多形核白细胞血管内聚集或游出血管外现象及Ⅱ型肺泡上皮板层小体排空。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。