查询词典 dram Fluid

Beginning with forming mechanics of seal medium, the character of magnetic fluid has been researched and magnetic fluid, which fits the demand, is made out. Then from the point of fluid mechanics, the kinematics equation and Bernoulii equation of magnetic fluid are derived. Based on the production practic of sinterer, straight seal theory is given. Last of all, the accuracy of deriving of theory is proved by experiment.

作者首先从密封介质的形成机理入手，分析了磁性流体的性质，配制出符合要求的磁性流体，又从流体力学的角度推导出磁性流体的运动学方程和磁性流体的贝努力方程，根据烧结机生产的实际，进一步推导出应用于烧结机上的直线密封理论，最后通过试验验证了理论推导的正确性。

The fluid inclusion can be the ancient fluid sample which formed rock or ore body, and the data drown from fluid inclusion can explain the contemporary ore-forming environment ,so the fluid inclusion is more and more used in the study of ore depositsThe Daxigou gold deposit which is studied this time is located in the north Hebei

本次研究的大西沟金矿床处于华北板块北缘冀北-辽西成矿区，其成矿条件在本区有很大的代表性。

Remedial group (60) amount to with ginkgo not inject fluid 20mL joins drop of the vein in 500mL of fluid of 5% dextrose inject to note, daily 1 times; contrasts group (60) drop of the vein in joining 500mL of fluid of 5% dextrose inject with 20mL of fluid of inject of the root of red-rooted salvia of medicine made of two or more ingredients is noted, daily 1 times; period of treatment all is 14d.

治疗组(60例)用银杏达莫注射液20mL加入5%葡萄糖注射液500mL中静脉滴注，每日1次；对照组(60例)用复方丹参注射液20mL加入5%葡萄糖注射液500mL中静脉滴注，每日1次；疗程均为14d。

Using fluid dynamics FEM (two dimensional, three dimensional andaxisymmetric) and three dimensional acoustic FEM in meticulous analysis ofexpansion muffler structure, this paper studies the influences of each mufflercomponents' position, dimension, form and quantity on the fluid dynamic andacoustic performances;therefore the paper indicates that the end of the intruding tubeis the linchpin of the fluid dynamic performance of the whole muffler structure, thespringhead of muffler fluid dynamic performance is the smoothness of air current, themain factor which affects the acoustic attenuation value of expansion chamber muffleris the grade of saltation of the section of air conducting access, and the attenuationvalue of specific frequency can be dramatically enhanced by carefully designing thelength of expansion chamber.

本文通过流体力学有限元方法和三维声学有限元方法对扩张腔消声结构的参数化模型进行了细致的分析，研究了这种结构的各个组成部份的位置、大小、形状和数量对其流体力学与声学性能的影响，指出插入管端口是影响整个结构流体力学性能的关键，消声结构流体力学性能的根源是气流通过时的平稳程度；影响扩张腔消声量的主要因素为声波传播通路截面突变的程度，并可以通过精细的设计扩张腔轴向长度获得宽频或指定频率消声量的大幅度提高。

Different types of drilling fluid systems were used in over 30 under-balanced wells by New Star Company of SIN OPEC in recent years, and the low solids polysulfonated drilling fluid, solids free salt-water polymer drilling fluid, and low density emulsified diesel drilling fluid were focused in this paper, with their laboratory evaluation results and field applications desc...

针对中国石化新星公司近几年在不同地区施工的30余口欠平衡井所用不同类型的钻井液体系，介绍了低固相聚磺钻井液、无固相盐水聚合物钻井液、低密度乳化柴油钻井液3种钻井液的室内性能评价结果以及现场应用情况，并在此基础上总结分析了各钻井液体系所适用的地层以及其优缺点。

A small spoon used for stirring tea or coffee; holds about one fluid dram.

用来搅拌茶或咖啡的小的勺子；容纳大约一杯液体。

Of a fluid dram(0.0616 milliliters).

60打兰

A British imperial capacity measure equal to 1/60th fluid dram or 0.059194 cubic centimeters.

英国法定容积单位等于液体打兰或立方厘米。

The polishing fluid is composed of Al2O3 micropowder with a grain diameter of 0.5-1.0 mum, coal oil, lard, plant oil and spindle oil, wherein Al2O3 micropowder is abradant, coal oil is solvent, the mixing liquid of lard, plant oil and spindle oil is as additive; and the polishing fluid is prepared by a mixing liquid which is composed of 2% lard, 2% abraser, 8% plant oil and spindle oil by volume and 88% coal oil. The polishing fluid can produce the H62 brass element with a uniform surface quality and a good surface roughness value up to 0.008 mum, has the characteristics of no eroding elements, effectively relieving mechanical score, good processing surface quality and can be used for decoration of the plastic metal material and surface polishing process before the material metallographic microscope analysis.

抛光液由粒径为0.5～1.0μm的Al 2 O 3 微粉、煤油、猪油、植物油和锭子油混合而成；其中Al 2 O 3 微粉为磨料，煤油作溶剂，猪油、植物油和锭子油的混合液作添加剂；抛光液按体积比由2％的猪油、2％的磨料、8％的植物油和锭子油的混合液、88％的煤油配制而成；该抛光液能够加工出表面质量均匀，表面粗糙度值达到0.008μm的H62黄铜工件，具有不腐蚀工件、有效缓解机械刻划作用、加工表面质量好的特点，可以用于塑性金属材料的外观装饰性加工，以及材料金相分析前的表面抛光加工。

The article uses the order of magnitude comparison method and method of analogue to analyze the physical attribute of granular sludge and gas-liquid mixing fluid under gravitational field, the triphase flowing space and dynamics conditions in the main reaction zone, especially the granular sludge's space density, fluid state and the mass transfer state of the corresponding fluid.

本文采用数量级比较法和类比法近似分析了重力场下颗粒污泥及气液混合流体的物理属性，利用在主反应区三相的流动空间和动力学条件，尤其是颗粒污泥的空间密度、流态及对应流体的传质状况。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。