由这些颗粒物质组成的地层很常见，通常位于土壤下方看不见的位置。
Beds of this material, out of sight beneath the soil, are common.
大多数深海动物依靠颗粒物质作为食物，这些颗粒物质最终来自于光和作用，下降的排放口会使平流的作用相形见绌。
Most deep-sea faunas rely for food on particulate matter, ultimately derived from photosynthesis, falling vent would dwarf any contribution from advection.
据估计，每立方米排气口所排出的物质中，就有350毫克的有机颗粒物质被平流输送到排气口区域。
Estimates suggest that for every cubic meter of vent discharge, 350 milligrams of particulate organic material would be advected into the vent area.
肺脏内留有不溶解的颗粒物质。
因为粘稠度低和不含颗粒物质，很容易管饲。
Low viscosity and absence of particulate matters ensured ease of administration through feeding tubes.
可以过滤自来水中的泥沙，铁锈，大颗粒物质。
Tap water can filter sediment, rust, large particulate matter.
从这些结果，可以算出颗粒物质的熵力及熵能级差。
From the above results, the entropy force and the difference of the entropy levels belonging to the granular material is calculated and discussed.
它们能够在不将物料分离的条件下输送粉末和颗粒物质。
They convey powders and granular material without separation of product.
本文介绍了燃煤电厂锅炉排放颗粒物质量浓度的连续测定。
The paper describe on continuous measurement of the mass concentration of particulate matter emissions from coal fired power boiler.
用实验方法研究了颗粒物质与探测棒之间的最大静摩擦力。
The article reports experiments which show that the maximum static friction force F on the surface of an aluminum rod inserted in the dry granular.
自动排水过滤器，能够高效地去除油和液体传播的颗粒物质。
Automatic Drain Filters are highly effective in removing oil and liquid-borne particulate matter.
实验发现，棒在颗粒物质中运动时滑动摩擦力具有准周期振荡性质。
It is found that sliding friction between continuous medium and granular materials has a novel speciality of quasi-periods oscillatory.
实验发现，棒在颗粒物质中运动时滑动摩擦力具有准周期振荡性质。
On the nonlinear oscillation of internal sliding friction in particulate matter;
土壤和水系统中的颗粒物质都与农药的生物活动起反应，并影响后者。
Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides.
颗粒物质来自汽车尾气、燃煤厂烟囱排放、垃圾堆燃烧、粉尘及其他源头。
Particulate matter comes from vehicle exhaust pipes, coal plant smokestacks, burning trash piles, dust and other sources.
研究者在每个参试者嘴巴前30厘米区域采集空气样本并测量颗粒物质浓度。
Air in the breathing zone (about 30cm from the mouth) was sampled for each trip to measure PM concentrations.
通过实验研究了圆棒在颗粒物质中受到的摩擦力与颗粒填充高度及棒径的关系。
The dependence of the static friction force on a rod immersed in granular matter on the filling height of granules and the diameter of the rod is studied experimentally.
基于平均质量的概念，提出了粒子计数器测量悬浮颗粒物质量浓度的计算模型。
A model for measuring aerosol mass concentration by an optical particle counter is presented using the conception of the average mass.
梯田、杉木林和毛竹林可以显著减少降雨形成的径流和侵蚀泥砂中的大颗粒物质。
Terrace, fir and bamboo markedly reduce runoff and large particle in sediment transported by runoff.
简述颗粒物质研究的历史和颗粒物质研究的现状，以及颗粒物质研究的重要意义。
The history, actuality and significance of the granular matter research are briefly introduced firstly.
正确标定悬浮颗粒物质量浓度反演模型中的系数是得到高精度测量结果的前提条件。
The correct calibration of coefficients in the inversion model for aerosol mass concentration is the precondition of obtaining highly precise results.
调查东北某工业城市大气颗粒物质和多环芳香烃类化合物的浓度以及它们的致突变活性。
To investigate concentrations of polycyclic aromatic hydrocarbons (PAH) in Ambient particulate matter and their mutagenic activities in an Industrial Area of Northeastern China.
光散射等效截面分形维数标定机理的研究进一步完善了悬浮颗粒物质量浓度的反演模型。
The study of the calibration mechanism for the fractal dimension markedly enhances the present model for aerosol mass concentration.
而弃荒土地地表细颗粒物质散失迅速，民勤盆地弃荒土地地表粘土含量仅存不到13.9%。
The tiny particles on the surface of abandoned land can be blown away easily and rapidly, so the content of clay particles in Minqin Basin is less than 13.9%.
设计并制作了观测静态颗粒物质筒仓效应的实验系统，应用该装置研究了筒仓效应的尺寸依赖性。
The experiment system for measuring silo effect is designed. The size dependence of static pressure at the bottom of a series of cylindrical granular columns is investigated using this apparatus.
该面罩还防止病人呼出的任何潜在易传染的液滴或雾化颗粒物质进入环境中并潜在地传染给其他人。
It also isolates any potentially contagious droplets or aerosolized particulate matter exhaled by a patient from entering the environment and potentially infecting others.
所述的组合物显示出良好的稳定性和从冻干产品再溶解形成的溶液中减少量的低于可见的颗粒物质。
Said compositions show good stability and reduced amounts of sub-visible particulate matter formed in solutions which are reconstituted from the lyophilized product.
这些反渗透膜能分离水分子，以及在微过滤器中分离小颗粒物质。石膏会在磷矿颗粒的表面上结晶。
These range from separation of water molecules by reverse osmosis through separation of small particles in microfiltration.
作为这一领域的基础性课题，颗粒物质的力学行为研究成为当前科学研究中遇到的最棘手问题之一。
At present, studies of granular material have become a very important research field as such matter has wide applications and scientific implications.
作为这一领域的基础性课题，颗粒物质的力学行为研究成为当前科学研究中遇到的最棘手问题之一。
At present, studies of granular material have become a very important research field as such matter has wide applications and scientific implications.
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