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Based on one dimension flow theory and Lagrange method, the correlation of speeding rate of particles under gas flow drag with the size of particles and the length of Laval nozzle used for the gas and solid two-phase separation test apparatus was studied.
中文意思:
摘要采用一元流动理论和拉格朗日方法,研究了用于气、固两相分离试验装置的缩放喷管内,被气流拖曳的颗粒加速率与颗粒大小和缩放喷管长度的关系。


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Based on object-oriented technology and database technology, a faul t diagnosis system for rotary machines was designed, among which CBR is utilized for a main r easoning method. 分析了案例推理的几个重要问题,包括案例的多级索引、用模糊聚类法精化案例库和模糊模式识别的案例相似性匹配。
Based on observation of fracture in cores and through archaeomagnetism positioning analysis on joint strike of cores, this paper concludes out the spatial distribution characteristics of fractures in Fuyu oil pay zone of Toutai oil field in Songliao basin 本文从对岩心中裂缝的观察入手,经过对岩心节理走向的古地磁定位分析,总结了松辽盆地头台油田扶余油层储层裂缝的空间展布特征。
Based on observation of the Chinese overseas organizations on the Internet, this paper (1) reviews the role of the Internet in the continuity, transformation and development of the Chinese overseas organizations; (2) examines related scholarly publication 基于网路上的海外华人组织观察,本文将简要地(1)回顾网际网路在海外华人组织的传承、转型与发展上所扮演的角色;(2)检视相关的学术著作以衡量现实世界的即景分析,是否符合我们在线上所获悉的调查;(3)在涉及海外华人社会文化和政治经济的情境下,讨论网路应用与全球同族的电子总动员之间的相互关系;(4)分别确认某些代表性的束南亚华人组织,以及日本、美国和欧洲新成立的经贸、专业和学生团体在网上所显示的特徵;(5)并以探讨线上论述分析如何增进跨国研究的深度,以及赋予海外华人组织生动的面貌做爲总结。
Based on observations, Planck in 1900 figured that a heated body releases light of a given frequency, or color, in discrete amounts called quanta. 1900年,普朗克根据实验的观察推论出,一个受热的物体在放出某种频率(或颜色)的光时,是以称为量子的不连续量放射。
Based on observations, interviewing with original teachers, self-designed music activities curriculum checklistand self-designed music learning behavior observation lists, video analysis, research notes, etc, we found that all 15 students improved (1) Stu 此研究结果也与研究者、五位协同研究教师在教学现场观察的「教学情境观察记錄」、「教师访谈资料」、「课程实施后省思札记」结果相互呼应,包括(1)15位国小特殊学生非常期待上音樂课,(2)受试学生之间互动比率增加,(3)音樂教学活动有利于其发音与口语表达,(4)音樂教学活动帮助其上课更为专注,(5)在语言沟通方面,其能哼唱歌曲、有较多的口语表达,在语言理解方面,其更能听从教师指令;(6)人际互动关系方面,其对自我较有信心,较愿意参与教学活动;在团体音乐活动时,较愿意在同侪面前表演;(7)在动作发展上,学生之视动
Based on one dimension flow theory and Lagrange method, the correlation of speeding rate of particles under gas flow drag with the size of particles and the length of Laval nozzle used for the gas and solid two-phase separation test apparatus was studied. 摘要采用一元流动理论和拉格朗日方法,研究了用于气、固两相分离试验装置的缩放喷管内,被气流拖曳的颗粒加速率与颗粒大小和缩放喷管长度的关系。
Based on ore material sources, metallogenesis, occurrences, ore formation and wall rock alteration of gold ore deposits in the northest Jiangxi province they are classified into four types i.e. magmatic hydrothermal gold deposit, volcao-subvolcano hydroth 依据成矿物质来源、成矿作用、矿床产出条件、矿石建造和围岩蚀变等因素,将赣东北地区岩金矿床划分为岩浆热液类、火山-次火山热液类、多源热液类和地下热(卤)水渗滤类等4类8型,分述了各类(型)金矿成矿地质特征,总结了沉积建造、构造和岩浆岩对区内金矿的控制作用,指出了赣东北地区金矿找矿方向。
Based on organic matter degradation experiments performed on solid waste, a calculation formula to obtain the law of organic matter degradation in solid waste and method for parameter determination were proposed, and a settlement calculation model for sol 摘要通过垃圾土有机物降解试验,提出垃圾土有机物降解规律的计算公式和参数确定方法,并推导了垃圾土沉降计算模型。
Based on orthogonal test, the factors influencing the synthesis of di-n-propyl phosphite, such as reaction temperature, reaction time and molar ratio of reactant, were investigated. 通过正交优化试验,考察了温度、时间和物料配比对二正丙基亚磷酸酯的合成收率的影响。
Based on other materials, including pottery sherds, believed found with the slab, team concluded it is roughly 2,900 years old. 根据其它材料,包括陶器碎片,以及这个石板,考察队推断了它的大致时间为2,900年前。
Based on our experience, we provide profect logistic service to the customers, including transportation, costoms declaration, quality inspection, import and export permit, insurance, on-site survey,claim. 在我们从事多年外贸工作经验的基础上,我们熟悉储运、报关、商检、进出口许可、保险、勘察、索赔等各个环节,我们为客户提供全方位的进出口业务服务。
 
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