查询词典 particles

The majority of PAH_s with serious carcinogen is the heavy one that are mainly sorbed on fine inhalable particles with a high concentration on airborne particles of sub-micron diameters, which can be deposited in the respiratory tract, hence, increasing the potential health effects.

大多数强致癌性的PAH_s为能吸附在微小颗粒物上(高浓度的PAH_s集中在亚微直径颗粒物上)的大分子多环芳烃，并通过人的呼吸道进入人体，在呼吸气管上沉积，危害人体健康。

The Xujiahui PM2.5 was primarily consisted by soots, flying ash and mineral particles, while the Lin'an PM2.5 was mainly composed by irregular shaped fine particles.

徐家汇地区PM2.5主要由烟尘、飞灰、矿物质等组成；临安地区PM2.5中主要为不规则形貌颗粒物。

The particles with heavy specific gravity are discharged from the underflow mouth and those with light specific gravity are discharged through the overflow pipe and thus it realizes the separation for heavy and light particles.

流体自旋流器上端给入并在旋流器内形成强制旋转流，旋转流将颗粒按粒度和比重分为内外环层，当矿浆流动至锥体部分时，由于锥体的突然变向，阻力增大，颗粒群向下运动的趋势减缓，并在此形成旋转悬浮层，随着离心力场的减弱，重力作用越来越明显，由按粒度和比重分成的内外两层逐渐转化为按比重分选的上下两层，比重大的颗粒通过底流口排出，比重小的颗粒则通过溢流管排出，从而实现轻重颗粒间的分离。

The results show that saltating snow particles have important effects on wind velocities near surface and Magnus lifting force also has effects on the wind profiles as well as saltating trajectories of snow particles.

计算结果表明，跃移雪粒对贴地风速有重要影响，Magnus效应对贴地风速、雪粒跃移轨迹也有显著影响

The saltation boundary layer is divided into an inner boundary layer in which the saltating particles exert significant force on the airflow, and an outer boundary layer in which saltating particles exert insignificant force on the airflow, but the out layer is affected by the inner boundary layer.

将风沙边界层划分为跃移颗粒所产生的阻力不可忽略的内边界层和跃移颗粒阻力可以忽略但受内边界层影响的外边界层，分别建立了内边界层和外边界层的风速廓线表达式。

It\'s also the first time to design and study the structure of new typed fluidized bed jet mill. Adding fresh air to the top and the bottom in the fluidized bed jet mill to increase the speed of upward currents, the way is leading fluidized particles to be boiling and reduce the eddy strength. The aim is to reduce the opportunity of regrinding. It is valuable to produce the particles which are rough, high density and high product rate requirement. At present, the technology has been prevailed, which produced lots of benefits for society and economy.

首次设计和研究了新型流化床气流粉碎结构，在下部和上部加入气流，提高了气流粉碎区的上升气流速度，补充喷嘴引射的气流，使底部的颗粒易于被流化沸腾起来，减少涡流强度，从而减少合格颗粒再粉碎的机率，这对较粗、密度高和成品率要求高的颗粒的加工具有极大的价值，并得到广泛的推广与应用，取得了较大的经济和社会效益。

Its also the first time to design and study the structure of new typed fluidized bed jet mill. Adding fresh air to the top and the bottom in the fluidized bed jet mill to increase the speed of upward currents, the way is leading fluidized particles to be boiling and reduce the eddy strength. The aim is to reduce the opportunity of regrinding. It is valuable to produce the particles which are rough, high density and high product rate requirement. At present, the technology has been prevailed, which produced lots of benefits for society and economy.

首次设计和研究了新型流化床气流粉碎结构，在下部和上部加入气流，提高了气流粉碎区的上升气流速度，补充喷嘴引射的气流，使底部的颗粒易于被流化沸腾起来，减少涡流强度，从而减少合格颗粒再粉碎的机率，这对较粗、密度高和成品率要求高的颗粒的加工具有极大的价值，并得到广泛的推广与应用，取得了较大的经济和社会效益。

This produces particles called pions , the 'glue' that holds a nucleus together, and some of these tiny particles degrade into gamma rays.

这一过程产生的粒子叫做介子，介子象胶质封固在原子核的周围，其中有些发生衰变，成为伽马射线。

The radiative properties of syngas mixture were calculated by weighted-sum-of-gray-gases model. The Ranz- Marshall correlation for Nusselt number was used to account for convection heat transfer between gas phase and particles. The discrete ordinates model was used for modeling of the radiative heat transfer, and the effect of ash/slag particles on radiative heat transfer was considered.

温度场计算肘基于灰气体加权和模型与离散坐标法相结合的方法求解热辐射方程，同时考虑了煤渣颗粒的热辐射和散射影响，利用Ranz-Marshall关系式计算气固相间对流换热作用。

M is, the higher the strength will be, as well as more even particle distribution. The mechanism of additives as discussed revealed that on the surface of Al_3 particles the oleophilic group of surface active agent will form oil films to bind together fine Al_3 particles closely so as to increase both the particle size and strength.

结果表明，氢氧化铝颗粒在 45～105μm的个数百分数越大，氢氧化铝颗粒分布越均匀，强度就越好；探讨了添加剂的作用机理，即表面活性剂分子的亲油基在氢氧化铝粒子表面形成油层，将氢氧化铝细粒子紧密粘结在一起，使氢氧化铝的粒度与强度增大。

It's not quite as simple as that.

并没有那么容易。

It debuted in 1992 in Japan and the United Kingdom, and 1993 in the United States.

它首次亮相于1992年在日本和英国，在美国1993年。