Even within an object as small as a dust particle, solar UV would not necessarily render an entire microbial colony sterile. 即便是小如尘埃的物体,太阳紫外线也不见得能将菌落全数歼灭。
The Analysis of Mechanical Behaviors of Dust Particle in ESP 电除尘器中粉尘粒子的力学行为分析
The study of dynamic model of dust particle movement in coal face; 为此,开展农业物料颗粒运动规律的系统理论的研究尤为重要。
Research on HGMS Technology for the Removal Rate of Dust Particle in Turbulent State 紊流状态下高梯度磁净化除尘效率研究
The dusty road made the travelers dusty too. Adsorbing Dust Quantity and Dust Particle Size of Euonymus Japonicus Thunb in Shijiazhuang City 满是尘土的路弄得行人也满面尘土了。石家庄大叶黄杨叶片滞尘量及滞尘颗粒物的粒度
Total bacterial count of air and dust particle count were measured by plate sedimentation method and GLJ-BG-type dust particle counter. 用平板沉降法和GLJ-BG型尘埃粒子计数仪分别测定了空气中的细菌总数、埃粒子数。
Adsorbing Dust Quantity and Dust Particle Size of Euonymus Japonicus Thunb in Shijiazhuang City 石家庄大叶黄杨叶片滞尘量及滞尘颗粒物的粒度
Dust particle counter, dust particle multi-point inspection system, sampling device, environment comprehensive parameter monitor, FFU central controller, etc. 尘埃粒子计数器,尘埃粒子多点检测系统,浮游菌采样器,环境综合参数监测器,FFU中央控制器等。
The mechanism of interaction of four kinds of natural and four kinds of artificial silicate dust particle with the human body normal bacteria escherichia coli and Staphylococcus epidermidis was studied. 研究了4种天然及4种人工硅酸盐尘粒与人体的正常细菌大肠埃希菌及表皮葡萄球菌相互作用的机制。
On the basis of analyzing the strength state of the dust particle in the atmosphere, the theoretical research and numerical simulation were made by studying the arising and velocity trail of the dust which is on the surface of the dust source. 以堆煤场煤尘为对象,在对粉尘颗粒在大气中的受力状况进行分析的基础上,对开放性尘源表面的粉尘起尘及其在大气中扩散的运动轨迹进行了理论研究和数值模拟。
Because the majority of ferrosilicon production enterprises all use half-closed type electric stove, which produce the haze with such characteristics as the high temperature, magnanimous smoke, high-density dust, the small-size dust particle, it is quite difficult and complex to purify the mist and dust. 由于我国大部分硅铁生产企业都是采用半密闭式电炉,它产生的烟气具有温度高、烟气量大、粉尘浓度高、粉尘粒径小等特点,因此其烟尘净化比较困难、复杂。
Methods According to the results of counting the indoor air dust particle on the spot in medical organization to analysis the factors which have related the transfusion pollution. 方法通过对临床上空气质量的调查和实地测定室内空气尘埃粒子,分析在输液全过程中造成空气进入液体中的污染因素。
The mechanical behaviors of dust particle in ESP ( electrostatic precipitator) directly affect effect of tapping and removing. 粉尘粒子在电除尘器中的力学行为直接影响电除尘器的振打清灰效果。
The Measurement and Analysis of Chalk-dust Particle Size Distribution 粉笔尘粒度分布的测定与分析
Both the location in the beams and the size of dust particle influence the peaks of power gain. 而且灰尘颗粒在介质中的位置,颗粒的大小对功率增益谱的尖峰都有影响。
The spacetime structure and properties of the solution of dust particle are discussed. 讨论了尘埃粒子解的时空结构及其性质,导出了尘埃粒子的内空间的离散结构。
According to the principle of light radiation of dust particle, the experiment research adopting photoelectricity devices to detecting the density of dust has conducted. The signal detection circuit of coal dust density, signal disposing, and digit display were designed. 根据粉尘粒子的光辐射原理,采用光电器件对煤尘浓度进行了实验研究,设计出了粉尘信号检测、信号处理和数字显示电路。
By the dust particle charged theory, the test study on the main technical performance of four types of corona polars is carried, the best polar matching form of horizontal ESP is approached. 运用粉尘粒子荷电原理,对四种电晕极的主要技术性能进行了试验研究,探讨了卧式电除尘器的最佳极配形式。
The paper sketches dust particle shape harming quality of car body painting, together with measure reducing and removing dust particle in the process of pretreatment. 简述了危害车身涂装质量的灰粒形态,以及预处理过程中减少和清除灰粒的措施。
The kiln dust contains a mass of Pb, its content is much higher than the content of the raw material, and the smaller the kiln dust particle is, the higher the content of Pb is. 对不同的窑型,窑烟灰中Pb的含量均高于入窑物料中的含量,以立窑尤为明显,且窑烟灰的颗粒越细,其Pb的含量越高。
Countermeasure reducing dust particle of car body in the process of pretreatment 预处理过程中减少车身灰粒的对策
For high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge-number is increasing with the distance from the center. 当尘埃粒子的温度较高时,尘埃粒子分布的区域和高离子密度区域扩大,尘埃粒子离放电器中心越远,携带的负电荷越多。
Principle and operation of dust particle counter 尘埃粒子计数器的原理和使用
A Study of Harmfulness of Dust Particle in Hydraulic Equipment 空气中粉尘对液压装置危害的试验研究
The paper analyzes the movement of dust particles, studies the effect of dust particle size on dust dispersion and puts forward the measures of dust control. 分析了尘粒起动过程,研究了尘粒粒径对爆破扬尘的影响,提出了爆破降尘措施。
In the heavy pollution environment, because of the trapping of the corrosion on the contact surface, the dust particle stay on the contact surface longer, and it will need hundreds of fretting cycle to push the dust particle out of the contact area. 在污染严重的环境下,接触表面生成的腐蚀物对尘土颗粒有捕获作用,增加了尘土颗粒在接触表面的停留时间,需要数百次的微动才能被推离接触区域。
The monitoring system and the monitoring indicators are four: temperature, moisture, dust particle concentration and noise intensity. 该监测系统的监测指标有四项:温度、湿度、微尘颗粒含量和噪声强度。
Using the discrete-dipole approximation method, the scattering Muller matrices were computed for the randomly oriented smoke particles with a certain size distribution, as well as the dust particle. Both normalized Muller matrix elements were compared and analyzed. 本文利用DDA方法计算了服从一定粒径分布的随机取向的烟颗粒群和粉尘颗粒的光散射Muller矩阵,比较了两者光散射矩阵元素随散射角分布的差异。
By the temperature and humidity sensor, respectively dust particle counter and noise sensor as a major acquisition module real-time acquisition corresponding environment monitoring index. 分别由温湿度传感器、微尘粒子计数器和噪声传感器作为主要采集模块实时地采集监测相应的环境指标。
This is because the NaCl solution is neutral, and the natural dust particle solution is faintly acid. 这是因为氯化钠溶液为中性,而自然尘土颗粒溶液呈弱酸性。