参数的测定的英文

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英文翻译
造句

optical systems determination of parameterss

参数 parameter
的 4次方是 The fourth power of 2 i ...
测定 determine; determination; se ...
内弹道参数的测定试验 test for interior ballistic parameter
高锰酸盐指数的测定 water quality - determination of permanganate index
捻度平衡指数的测定 reinforcementtest method for yarns : determination of twist balance indexex
平均线热膨胀系数的测定 glass-determination of coefficient of mean linear thermal expansion
特殊同色异谱指数的测定 measurement of special metamerism index change in illuminant
游离甲状腺素指数的测定 free thyroxine index radioactive test
参数的 parametrical
气流参数平均值的测定 mean-flow measurement
白炽灯泡光电参数的测量方法 methods for measuring electrical and luminous parameters of incandescent lamps
船用柴油机热工参数的测量 measurement of thermodynamics parameters for marine diesel engine
聚氯乙烯树脂稀溶液粘数的测定 determination of viscosity number of pvc resins in dilute solution
空气中可燃气体爆炸指数的测定 determination of explosion indices of combustible gases in air
硫化橡胶拉伸耐寒系数的测定 vulcanized rubber-determination of coefficient of low temperature resistance at extention
硫化橡胶压缩耐寒系数的测定 vulcanized rubber-determination of coefficient of cold-resistance under compression
饲料中细菌总数的测定方法 method for determination of aerobic bacterial count in feeds
纸和纸板菌落总数的测定法 paper and board determination of microbiological propertiestotal bacterial countunt
参数的变更 variation of parameter
参数的大小 parameter sizes scales and precisions
参数的分配 allocation of parameter
参数的估计 estimation of parameter
参数的界 bound of parameter
单参数的 one parameter; one-parameter

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After thermodynamic calculation on several operation conditions of the furnace , cold - state flow and resistance mensuration , the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1 . 25 surplus air to less than 1 . 15 , improving the combustion condition and convection and radiate heat transfer efficacy , resuling in reducing the waste - gas temperature 45 , decreasing exhaust gas loss , and saving fuel by 6 %
摘要通过对加热炉几种工况进行热力计算、冷态试验的流场分布及阻力测定和热态试验的炉膛温度场分布及管壁温度等参数的测定，确定将管式加热炉炉膛内直流燃烧改为旋流场燃烧和增加辐射筒，增设烟气含氧量分析，可以将燃烧的过剩空气系数从1 . 35减小到1 . 15以下，极好地改善炉膛内的燃烧状况和对流辐射传热效果，从而降低排烟温度45 ，减少加热炉排烟损失，节约了煤气量6 %以上。
Based on prandtl ' s momentum transportation , this paper calculates in detail the physical quantities such as eddy viscosities , and ratio of eddy viscosity to motion viscosity , total stresses with respect to relative position in three regions of viscous sub - layer , buffer layer , and main turbulent stream for non - newtonian fluid flowing turbulently in ducts , which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus , discusses the influence of polymer drag reduction on flowing properties of non - newton fluid , analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate
摘要以普兰德动量传递理论为基础，按照卡门的三层模型，通过室内模拟环道用0号柴油及加入减阻剂在圆管内的流动参数的测定，计算了非牛顿型流体管内湍流边界层的层流内层、过渡层、湍流中心的涡流粘度，涡流粘度与运动粘度比、总应力随相对位置的变化等定量参数，探讨了高分子减阻剂对非牛顿流体流动特性的影响，对湍流减阻现象的机理与增大减阻率的条件进行了定量分析。
In escherichia coli , arog gene encodes phenylalanine - sensitive 3 - deoxy - d - arabino - heptulosonate - 7 - phosphate synthase isoenzyme arog that catalyzes the first committed step of shikimate pathway . here we study the essential amino acid residues involved in the formation of feedback inhibition site of arog , and the effects of n - terminus on feedback inhibition and its quaternary structure , and the importance of the structural " d2 " symmetry to allosteric inhibition
本博士论文工作以大肠杆菌k - 12来源的arog为研究对象，通过定点突变、反馈抑制实验和酶学动力学参数的测定，深入地研究了arog的反馈抑制位点的特性，并对arog的n -末端在反馈抑制机理和维持稳定四级结构中的作用，以及蛋白质结构的“ d2 ”对称性对酶功能的重要性等进行了具体的研究。
This text takes hydropower station of hunan town of wuxijiang river as an example , introduce hydro - generator unit operation parameter survey principle and method of the operation parameters online monitoring system for hydro - generator unit in detail , and carry on certain analysis by disposition and composition of hardware to system , design and realizing going on intact description of the software especially , make introduction of a certain degree to involve about database and communication technology at the same time
本文以乌溪江水力发电厂湖南镇电站为例，详细介绍了水轮发电机组效率监测系统所监测参数的测定原理和方法，并对系统硬件的配置和构成进行了一定的分析，重点对软件的设计和实现进行了完整的描述，同时对涉及到的有关数据库和通信技术都做了一定程度的介绍。
The investigation of a lot of parameters about treated sandstone , brick materials and earthen materials with fluorited polymers has been carried out , such as the formation of polymer , the penetration depth , porosity , capillary absorption and penetration coefficient , water uptake , compressive strength , drilling resistance , absorption isotherms of water vapor , water vapor diffusion , color changes as well as resistance to desegregation of water , frizzing - throwing cycles , worming - cooling cycles , and so on . in addition , the influence of salt crystallization , acid and base , and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers , mainly according to astm standard and the combination of international methods together with general technological
分别以国家级文物保护单位的土质、砂岩和砖材文物样品为对象，依据astm标准及国际通用文物保护研究方法与评估准则相结合，通过胶化物形成周期、渗透深度、孔隙度、毛细吸水和渗透系数、持水量、抗压强度、抗钻强度、吸附水蒸气的能力、透气性、外观颜色等系列参数的测定，及冻融、冷热循环、酸碱腐蚀后抗压强度的衰减、可溶盐对保护效果的影响、酸碱及光照对表面保护效果的影响，对两种含氟聚合物及其与有机硅的共混物在文物加固保护和表面防护中的可行性和保护效果给予了系统研究。