Superantigen in very light concentration can cause an enormous change of immunocytes, cytokines and antibody, cause a series of pathological and physiological change in the body.
超抗原以极低的浓度就能引起机体免疫细胞、细胞因子和抗体的巨大变化，引起机体一系列病理生理过程。
The flyer design emphasizes conceptually and physically separate functions of light collection at a distance from the laser source, light concentration on the ablator, and autonomous steering.
飞行器草图强调了概念上和物理上各自的功能——从远距离的激光源收集激光、光集中在烧蚀材料上和自主操纵方向。
This paper presents the on line measurement of size, concentration and velocity of pulverized coal with light fluctuation and correlation method.
该文介绍了结合光脉动法和相关测速法同时在线测量煤粉粒径、浓度和速度的技术和装置。
The result showed that EDTA with high concentration has evident effect on light scatter of KDP crystal but not laser damage threshold and homogeneity.
结果表明，高浓度EDTA对KDP晶体光散射有明显的影响，但对光学均匀性和光损伤阈值无明显影响。
UV absorption spectrometry is a method for measuring the gas component and its concentration by the characteristic of selective absorption for light in the UV-VIS region.
紫外吸收光谱法是利用不同气体在紫外波段对光具有选择吸收的特性来测量排放烟气中的气体成分和浓度。
A real-time laser particulate detector which is well suited for measuring the concentration of particles in FCC gas streams was developed by using aser and near-forword light-scatter technique.
介绍了利用激光及正前向光散射技术研制的一种激光粒子浓度监测仪，它适用于催化裂化装置烟气粉尘浓度的实时监测。
The influence of the semibreadth of light source upon the measurement accuracy of the concentration of the solution is primarily discussed and then a corresponding expression is given in this paper.
本文对光源的半宽度在测量某种溶液浓度时对其测量精度的影响进行初步地探讨，并给出一个相应的表达式。
Type 72 spectrophotometer is used for the research on the concentration range of methylene blue solution which coincides with the law of light absorption and the selection of the wavelength.
用72型分光光度计，对次甲基蓝溶液符合光吸收定律的浓度范围，及其工作波长的选择进行了探索。
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
本文综合前向小角光散理论及消光原理，提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
The distributions of grain concentration are measured in experiments conducted with light materials.
用轻质塑料沙进行试验，得到颗粒浓度沿深度的分布。
The exchange rates of COS were determined by air temperature, light, and ambient concentration of COS.
树木与大气间COS的交换通量受树种、环境温度、光照、COS初始浓度等因素的影响。
Giving an example, application of GM (1, 1) in forecasting environmental atmospheric concentration wsa introduced in detail, in the light of Grey System Theory.
运用灰色系统理论，结合实例详细介绍了GM(1,1)模型在大气环境浓度预测中的应用。
The concentration and total amount of EA-sand IL-8 in severity periodontitis patients were significantly higher than those in light, moderate samples(P<0.01).
8和细胞外弹性蛋白酶的浓度和总量在重度牙周炎组明显高于轻、中度牙周炎组（P<0.01）。
The influences of light intensity, initiator concentration and different initiators on the kinetics were investigated in this paper.
研究了光强、引发剂浓度及引发剂种类对其光聚合的影响。
Because the sun is our source of light, energy and heat, the changing intensity and concentration of its rays give rise to the seasons of winter, spring, summer and fall.
因为太阳是光，能量和热的源头，太阳光照强度和密度的变化带来了春夏秋冬季节的改变。
In addition, the absorption coefficients and the dopant concentration doped of these samples weren't the same for X-ray excitation, therefore, their light emission efficiencies were also different.
这些样品本身对X射线的吸收系数及掺杂浓度不一样，因此它们的光发射效率也有所差别。
The diurnal variation of Pn in hebei-walnut was influenced by light intensity, leaf temperature and intercellular CO2 concentration.
影响河北核桃净光合速率日变化的主要因子是光合有效辐射、叶片温度及胞间CO_2浓度。
The firefly luciferase's stability was weaker and it was very sensitive to the sun light and salt of high concentration.
该酶的稳定性较差，对盐浓度和光照比较敏感，高浓度的盐类和长时间的日光照射能够使酶失活。
The available scope of prediction distance can be determined in light of the stress concentration ascertained by numerical simulation for stress field.
可以通过应力场数值模拟得出的应力集中区来确定有效预测距离的范围。
Under this experiment condition, the light compensation point and light saturation point of the two species didn't show regularity with the change in nitrogen concentration in water.
在本实验条件下，这两种供试植物的光合补偿点和光合饱和点随氮浓度的变化没有表现出规律性。
Conclusion the degree of spinal nerve block is light because the concentration of solution is low and the recurrence rate of adverse reaction and complication is low.
结论由于溶液浓度低，脊神经阻滞程度轻，不良反应及并发症发生率低。
It would be a shame to lose our concentration now because I can really see light at the end of the tunnel as we ready ourselves to push for the championship.
如果失去专注力是很可耻的，因为我真的已经看到了曙光，我们已经准备好把冠军带回家了。
Through the theoretical analysis, a function relation between the back-scattering light intensity and flue-dust concentration under the condition of lower concentration is received.
通过理论分析得出在烟尘浓度较低的情况下散射光强与烟尘浓度函数关系。
The higher the concentration of carbon dioxide, the shorter the persimmon deastringent time and the more light the browning of dried persimmon.
采用二氧化碳脱涩时，二氧化碳的浓度越高，脱涩所需时间越短，柿子的褐变程度越轻；
Therefore, the second light intensity measured represents the total ADP and ATP concentration in the sample.
因此，第二次光强度检测可表征样本中总的ADP与ATP浓度。
Wireless Sensor Network is often used for monitoring ambient temperature, humidity, light intensity, gas concentration.
无线传感器网络常常被用于对环境温度、湿度、光强、气体浓度的监测。
Author researches and develops a novel laser light on-line supervisory system of measuring the soot particles concentration.
根据此理论作者研究并开发了一套激光烟尘颗粒浓度自动监测系统。
Author researches and develops a novel laser light on-line supervisory system of measuring the soot particles concentration.
根据此理论作者研究并开发了一套激光烟尘颗粒浓度自动监测系统。
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