不管这些粒子沉降在哪里,它们会形成一个平面板块,一层水无法渗透的平面。
Wherever these particles settled, they formed a pan, a layer that water couldn't penetrate.
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.
极区电离层强烈地受到极区对流电场、极光粒子沉降和场向电流等的影响。
The polar ionosphere is strongly influenced by convection electric fields, auroral particle precipitation, and field-aligned electric currents etc.
并采用软球解析模型研究了雷诺数、初始位置等几个重要参数对球形粒子沉降的影响。
Effect of some parameters like Reynolds number, initial positions are studied using soft-sphere model under different conditions.
研究表明,存在环电流区方向和南北极区环电流粒子沉降带两个中性原子强度极大区域;
The simulation shows that there are two maximum ENA flux regions, i. e. , the ring current inner boundary region and particle precipitation region at the northern and southern poles.
从宏观粒子和微观粒子的输运现象及等离子体化学入手 ,建立了宏观粒子沉降过程中的纯化模型 。
The purification model of macroscopic particles in descending process is established from the transport phenomena of particles and plasma chemicals.
考察了复合磁性粒子的结构变化对其磁流变液沉降稳定性和流变学性能的影响。
The influences of structures changing of the composite magnetic particle on the sedimentation stability properties and the rheological properties of their MRF are studied.
悬浮病毒粒子的沉降率因其大小和密度而异。
The rate of sedimentation of a suspended viral particle depends on its size and density.
特殊函数展开法被用于解决多分散具势悬浮体系中粒子的沉降问题。
The special function expansion method was applied to solve the sedimentation problem of polydisperse colloid system.
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.
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.
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.
本 发明提供结合有具有反应性的物质的微小粒子的沉降抑制方法。
The invention provides a settling prevention method of the small particles for combining the reactive substance.
轻向快速的呼吸有助于粒子的中心沉降。
Central deposition of particles is favored by rapid and shallow breathing.
采用了离心力加快沉降速度,粒子的沉降速度大,均匀低速的假设条件不再满足,理论计算模型和实际情况偏差大。
Thirdly, because of the centrifugal force, particles in the magnetorheological fluid sediment at a speed faster than the assumed low and uniform speed in the theoretical sedimentation model.
结果表明,冬季中山站电离层内的电离生成主要取决于从磁层沉降的粒子。
The results show that the major source of electron and ion production at Zhongshan Station is almost completely dependent on particles precipitated from the magnetosphere.
而纳米粒子的添加也可以改善磁流变液的抗沉降性,并且随粒径的减小改善效果有增加的趋势。
The addition of nanoparticles also can do contribution to the anti-settlement behavior of MR suspension, and this contribution trends to be strengthened with the decrease of the size of nanoparticles.
分子聚集体并不生长成为晶体,其粒子大小不足以使其沉降或被过滤出。
Aggregates of molecules do not grow into crystals of a size large enough to settle or be filtered out.
沉降体积和接触角的测定结果说明改性粒子在液体石蜡中的润湿性和疏水性得到了提高;
The results of sediment volume and contact angle demonstrated the wettability in the paraffin liquid and hydrophobicity of the modified particles were improved;
结果表明,具势粒子系统的沉降较硬粒子情况更为复杂。
Results indicated that the sedimentation of interacting particles is more complex than "hard sphere" case and interparticle potential affects the particles' settling heavily.
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.
空气中尘埃粒子数、沉降菌及物品表面细菌菌落数均达到国家标准。
The counts of dust particles and the CFU of sedimentary bacteria in the air of COA and the CFU of surface b...
对颗粒物面源模式做了深入研究,确定了颗粒物粒子面源开始沉降的位置。
The area source model of particulates was deeply researched, and the places of the initial precipitation of the area sources of particulates were determined.
而未加分散剂的酞菁蓝-醇酸清漆体系中,酞菁蓝粒子易沉降、返粗,其流动曲线形成明显的触变环。
However, the phthalocyanine bluealkyd dispersion system without dispersant will show sedimentation of phthalocyanine blue and flocculation, and…
固壁条件下多根椭圆粒子的平均沉降速度大大小于周期性壁面条件下的平均沉降速度。
The average sedimentary velocity under no-slip wall condition is largely less than that under periodic wall boundary condition.
作者认为,分层事件似应是由沉降粒子所引起,并与极区亚暴具有密切关系。
The authors consider that the stratification events may be caused by precipitation of particles and closely related to polar substorm.
分析了粉粒在反应区的沉降过程,导出了沉降的最大速度及时间的公式,给出了离子在不同位置上的平均动能及粒子通量。
The behaviors of the neutrals in the sheath were analyzed and their average energies and the flow rates at different positions were also given.
研究表明,建成初期和运转一年后,室内的悬浮粒子和沉降菌指标均达到洁净度国家标准7级。
The cleanliness classification can be up to grade 7 at the beginning and a year running.
结果同时表明,大气真菌粒子的沉降量夏季高,秋季低;
The precipitation is high in the summer and low at the fall;
结果同时表明,大气真菌粒子的沉降量夏季高,秋季低;
The precipitation is high in the summer and low at the fall;
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