颗粒分析

The effect on circumgyration of carbon grain and the ablation of nose-tip during re-entry of stratagem missile is analyzed according to thermal transfer theory, thermo-aerodynamics and N-S equation.

根据气动热力学、传热传质学、N-S方程，分析了战略导弹再入时端头帽烧蚀与碳颗粒的旋转效应，研究结果表明碳颗粒的旋转有利于防热。

M/s. The following dimensionless relationships were obtained: Sh=2+0.073Re〓Sc〓〓〓 The desulphurization process by powder injection and blowing in RH refining of molten steel and its mechanism have been considered and analyzed. Based on the tworesistance mass transfer theory and the mass balance of sulphur in the system, a kinetic model for the process has been developed. The related parameters of the model have been reasonably determined. Modeling and calculations for the process by injecting and blowing the lime based powder flux under the assumed operating modes in a RH degasser of 300t capacity have been carried out using the model.

考虑颗粒与液流的相对速度，RH—PTB条件下熔池传质特性可由下式表征： Sh=2+0.073Re〓Sc〓考虑紊流中脉动速度引起的能量耗散，RH—PTB条件下熔池传质过程服从如下关系：〓将粉剂颗粒与钢液间的传质当作刚性的气泡与钢液间的传质处理，对RH—PTB过程有：〓考察和分析了RH喷粉脱硫过程及机理，基于双重阻力传质理论和体系内硫的质量衡算，建立了RH喷粉脱硫过程的动力学模型，确定了模型各有关参数，包括各传质系数和脱硫处理过程中钢液内参与脱硫反应的粉剂量等。

An analysis is made in the paper, on the forces acted on particles on screen surface, from which the formular for calculation of screen mesh blinding particles is derived.

文章对振动筛筛面上物料颗料受力情况进行了分析，推导出了堵孔颗粒的计算公式，提出了减少堵孔颗粒的有效方法。

Results There were spontaneous apoptosis in the cultured granulosa cells and ceramide could signi-ficantly increase apoptosis (P＜0.05).En hanced apoptotic surf was observed by flow cytometry.

结果 体外培养的颗粒细胞存在自发性凋亡，神经酰胺处理的颗粒细胞凋亡率明显高于对照组(P＜0.05)；流式细胞术分析可见增强的凋亡峰。

The structures and composition of the precipitates at PHT powder surface and at PPB of hipped materials are investigated. The formation of PPB precipitation is directly related to the surface conditions of as-atomized powder. Precipitates at PPB are mainly MC carbides and ZrO〓.

预处理粉末表面及压坯原始颗粒边界的表面成分及析出相分析表明，原始颗粒边界析出的形成是与雾化粉末表面状况直接相关的，表面或界面析出相主要是MC型的碳化物和ZrO〓。

We find that the specific magnetization σof the composites decreases exponentially with the increase of concentration of SiO2 particles, and the effective permeability μ of the composites can be agreement with the effective media theory improved by Musal.

通过对颗粒复合体比磁化强度、磁导率、磁谱以及77K下I~U特性的测量和分析，我们发现复合体比磁化强度随SiO2含量的增多呈指数衰减；用Musal改进的有效介质理论模型能很好地拟合磁导率随锰锌铁氧体含量变化的规律；颗粒复合体显示出共振型磁谱的特征。

Objective To observe the distribution of particles in osteolytic tissue and obtain the wear particles for the experimental study from the in vivo osteolytic tissue.

目的 观察、分析假体周围骨溶解组织中磨损颗粒的分布情况，为体外及体内磨损试验提供颗粒。

In order to study degradation of potassic mineral by fungi, we isolated a thermophilic fungi strain TH003 from compost. The strain can use extract potassium from rocks as a nutrient. The strain was identified as Aspergillus fumigatus based on its morphological characteristics and molecular result.

为研究真菌对含钾矿物的吸附降解作用，作者从高温堆肥中分离选育出了一株丝状真菌TH003菌株，通过在含有矿物颗粒的改进PDA培养基中培养，使其在培养液中与矿物颗粒发生作用，再取样进行电镜观察和X-射线衍射分析以及电子探针观察。

Objective:To study the relationship between different roentgenographic feature of osteolysis around cemented and cementless prostheses and migration pathway and collection site of wear particles.

目的：探讨不同固定方式假体周围骨溶解X线征象差异与磨损颗粒迁移特点及其易聚积部位之间的联系，分析磨损颗粒在假体无菌性松动中的作用。

Then rAAV-DJ-1 was transfected into HEK-293 cells for packaging. AAV vectors encoding human DJ-1 protein were stereotactically injected into the rat SN 4 weeks prior to rotenone lesion in SN. Tyrosine hydroxylase protein was determined using immunohistochemical staining. Ethovison software allowed measurement of movement distance in 30 minutes.

并转染HEK-293细胞，进行腺相关假病毒颗粒包装，所得病毒颗粒注射到大鼠脑内感染黑质神经细胞；4周后，注射鱼藤酮于大鼠黑质相同脑区；通过免疫组织化学方法鉴定TH蛋白表达情况，采用动物行为轨迹分析软件计算大鼠30 min内运动距离。

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。