采用平板沉降法采样,检测其消毒空气效果。
The plate sedimentation method was used for sampling and its efficacy in disinfection of air was examined.
本文介绍了离心沉降法净化煤焦油的试验情况。
The experiment on purifying the coal tar by the centrifugal settling method is described in this paper.
粒度分析。用重力沉降法的粒度分析。滴定管法。
Particle size analysis. particle size analysis by gravity sedimentation. pipette method.
空气中微生物监测采用平板沉降法,取室内5点监测;
Plate sedimentation method was applied to monitor microorganisms in air and 5 points were monitored.
平板沉降法与仪器法采样结果差异无显著统计学意义。
No statistically considerable differences were observed between depositing method and airborne microbe sampler method.
自然沉降法;
采用自然沉降法、离心法和垂直沉积法组装了聚苯乙烯胶晶。
Polystyrene colloidal crystals were assembled by natural sedimentation, centrifugation and vertical deposition methods.
讨论了硝酸镁溶液再生时所采用的两种方法:沉降法和压滤法。
Two kinds of methods for the regeneration of magnesium nitrate solution are discussed, which are precipitation method and filter-press method.
本工作用平皿沉降法在北京市西单观测了大气细菌粒子的沉降量。
The precipitation of atmospheric bacterial particles were investigated with gravity plate method at Xidan district in Beijing downtown.
选取宝鸡市城区测点用平皿沉降法测量了空气微生物粒子沉降量。
The air borne microbial particles precipitation from some sites over the urban district in Baoji City was monitored by using the technique of gravity plate.
对碳电热还原法生产的共晶铝硅合金加锰自然沉降法除铁进行了研究。
The removing iron process by natural deposition of eutectic Al-Si alloys produced by carbothermal reduction was studied.
通过实验室模拟混凝沉降法除氟过程,研究了铝型材工业废水除氟的适宜工艺条件。
The moderate technological conditions for fluoride removal in aluminum industry by coagulation and precipitation are studied.
方法自然沉降法,利用重力作用使空气中的微生物粒子自然沉降在营养琼脂培养基上。
METHODS Natural sedimentation, where microbial particles in the air were settled by gravity on nutrient AGAR media before and after disinfection.
对渤海湾西北部潮间带16个样品分别进行了激光法与综合法(筛析沉降法)粒度测量。
Grain size analyse experiment of 16 samples, taken from the tidal flat of the northwest Bohai Bay, was carried out by laser and pipette-sieve methods simultaneously.
实验表明,用圆盘离心沉降法测定几种石墨粒度分布情况与扫描电镜照片粒径范围接近。
Results indicate that the particle size distribution of several kinds of graphite measured by this method is similar to the particle size range shown in scanning electron micrograph.
方法:采用沉降法破坏供试液的胶体并去除其不溶性颗粒,以目标菌进行回收率验证试验。
Methods: Usded sedimentation, undermined the colloidal system of sample solution, removal of the insoluble particles, and verified the recovery of the target bacteria.
研究了在静态下的絮凝沉降法处理含铁废水,实验了不同操作条件对铁的处理效果的影响。
The effect of technological conditions and pH on flocculating settling characteristics of the product was studied.
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。
Total bacterial count of air and dust particle count were measured by plate sedimentation method and GLJ-BG-type dust particle counter.
为了解本市医院空气微生物污染情况,采用平板沉降法对71所医院室内空气进行了采样检测。
In order to know the condition of microorganism contamination of hospital air in Shenyang, plate sedimentation method was used to sample and examine the indoor air in 71 hospitals.
为了观察超声波雾化消毒机的杀菌效果,分别用微生物监测仪器法和平板沉降法对其进行了检测。
In order to observe the germicidal efficacy of the Ultrasound Atomizing Disinfector, microbial monitoring instrument method and plate sedimentation method were used for examination.
试验和生产应用表明,粒度测定的方法多种多样,沉降法以其原理简单、易于操作而被广泛采用。
Compared with other measure techniques, the sedimentation method has been applied abroad because of its simple principle and easy operation.
结论:采用脱脂硫酸铵沉降法提取所得总蛋白及其所含氨基酸含量较高、纯度较合理,方法较可行。
Conclusion: Purified protein and its amino acids were obtained by defatted ammonium sulfate precipitation procedure, and the content of protein was acceptable. This method is easily and more feasible.
方法:采用自然沉降法,对香叶中药空气消毒剂和84消毒液室内空气中细菌、霉菌的杀灭程度作出比较。
Methods: Using as the method of falling down naturally to compare the efficiency of killing bacteria and molds in indoor air with 84-aerosol.
与常规的沉降法相比,浮游细菌采样器能直接得到单位体积空气中所含的菌落数,而且不受环境气流的影响。
Compared with the conventional settlement, planktonic bacteria sampler can be directly contained in unit volume of air bacteria counts, and the impact of air from the environment.
所以这种分离方法的分离效果较重力沉降法的分离效果有显著提高,而且有结构简单设备占地面积小的优点。
So, the separation result of hydrocyclone is better than it of gravity settling, moreover, and it has such advantages as simple structure and small working area.
方法采用平皿暴露沉降法,调查长江大学医学院20间学生宿舍(男生10间,女生10间)的空气细菌污染情况。
METHODS Bacteria pollution of the air was measured by sedimentation in the chosen 20 students' dorms in the Medical College: 10 boys' dorms and 10 girls 'dorms.
对大气细菌粒子,用平皿沉降法分别与A·S采样器法、THK- 201采样器法测定的结果相比,有非常显著的差异。
Significant difference exists between the sampling efficiency of gravity. plate and those of Andersen sampler and THK-201 sampler when they are used for sampling airborne bacterial particles.
本文主要介绍粒径测试技术方法及其新进展,包括传统的直接测量法、筛析法、沉降法和以计算机为依托的激光粒度测试仪法;
The authors introduced the methods and advance of grain size analysis technique, including direct measurement, sieving analysis, setting method and the laser grain-size analyzer;
目前对粉体粒度的测量大多采用沉降法等常规方法,存在测量时间长、测量步骤多、测量准确度受主观因素影响大等许多不利因素。
There are some disadvantages in these routine methods, for example, they take many steps and cast much time, and the accuracy of results is affected greatly by subjective factors of human inspectors.
目前对粉体粒度的测量大多采用沉降法等常规方法,存在测量时间长、测量步骤多、测量准确度受主观因素影响大等许多不利因素。
There are some disadvantages in these routine methods, for example, they take many steps and cast much time, and the accuracy of results is affected greatly by subjective factors of human inspectors.
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