查询词典 plasma

In the losartan or peridopril-treatment group, the plasma level of Ang Ⅱ and the plasma activity of rennin were increased.

1。在2K1C高血压大鼠模型，血浆中CGRP增高表现为一种代偿性增高。

Objective To evaluate the improvement of diagnostic accuracy with background region of interest rectification for 99mTc-DTPA renography in patients with GFR≤30 ml·min-1·（1.73 m2-1, and to compare with plasma clearance of 99mTc-DTPA (GFRp, dual plasma sampling method).

目的 以99mTc-DTPA血浆清除率为标准，评价在重度肾功能不全[GFR≤30 ml·min-1·（1.73 m2-1]患者GFR的评估中，本底矫正在提高99mTc-DTPA肾动态显像检查准确性中的价值。

Plasma charging damage in plasma processes is introduced in this paper and corresponding process experiment in RIE Al was conducted to investigate performance degradation of nMOSFET devices.

介绍在等离子工艺中的等离子充电损伤，并且利用相应的反应离子刻蚀Al的工艺试验来研究在nMOSFET器件中的性能退化。

Thus, the spherical-crown and saddle-shaped surfaces were demonstrated. Consequently, the basic rules and key technology of bending forming using plasma arc in practical work were obtained and the application level of the flexible forming using plasma arc had been further improved. The effects of the main parameters including power, scanning speed, scanning distance and scanning sequence had been investigated.

对成形中出现的棱角效应进行了机理分析和数值计算，结果表明棱角效应是板材沿扫描线方向受几何约束产生了较小的压应变及在扫描线上、下表面的收缩量不同所造成；提出了通过分段扫描解决棱角效应的方法，明显提高了成形质量。

We also give the synchrocurvature radiation spectrum in plasma and explore the effects of plasma on its self-absorption properties.

虽然在真空中同步曲率辐射与同步辐射一样没有负吸收放大作用，但等离子体对辐射谱和自吸收性质有重大影响，在考虑活动星系核等天体中等离子体的辐射问题时必须考虑。

Combined with analysis of vortex plasma features, our results revealed that: the sense of rotation of the plasma flow is approximately clockwise on the GSM equatorial plane.

结果显示：从地心太阳磁层坐标系赤道面上面看，涡流的尺度约为5000 km×1400 km ，朝地球的运动速度约为15~25 km/s。

Objective to compare the detection rates of epstein-barr virus dna in the serum/plasma between apparently healthy adults and nasopharyngeal carcinoma patients in attempt to evaluate the efficiency of ebv dna assay for serodiagnosis of npc.methods the plasma and serum were obtained from 58 ahas and 66 untreated npc patients.

目的比较血浆/血清中的eb病毒(epstein-barr virus，ebv)dna检出率在健康成人和鼻咽癌患者之间的差别，评价其在鼻咽癌诊断中的意义。

It is named shift operator FDTD method. The high accuracy and efficiency of this method is confirmed by computing the reflection coefficients of electromagnetic waves by a collisional plasma slab. The reflection coefficients between plasma and the atmosphere or vacuum can be calculated by using the SO-FDTD method.The result is that the reflection coefficie...

应用该方法计算了冷等离子体平板对电磁波的反射系数，通过与解析结果的比较，验证了该算法的高效性和高精度，同时，应用SO_FDTD方法，计算了等离子体层对垂直入射电磁波的反射系数，结果表明等离子体厚度、电子密度、电子密度的分布形式和入射波频率是影响反射系数的重要因素。

Plasma cutting machine work, the first plasma arc ignition by high-frequency oscillator excited between the electrode and the inner wall of the gas nozzle, resulting in high-frequency discharge, the gas ionization and the formation of local small arc, this small arc by the compressed air role, from the nozzle to ignite plasmon in the arc, spark generator, which is the main task.

等离子切割机工作时，首先要引燃等离子弧，由高频振荡器激发电极与喷嘴内壁之间的气体，产生高频放电，使气体局部电离而形成小弧，这一小弧受压缩空气的作用，从喷嘴喷出以引燃等离于弧，这是火花发生器主要的任务。

The result show: The strong positive reaction on the plasma membrane of type Aspermatogonia and the head of maturing sperm, and a lesser positive reaction on the plasma membrane round spermatid.

结果表明：(1)在A型精原细胞的质膜和成熟的精子头部有强阳性反应，早期精子细胞质膜有较强的阳性反应。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。