总流
- 网络total flow
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粘性总流贝努里方程的严格证明
The Exact Demonstration of Bernoulli Equation for Integral Viscous Flow
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连续急变流动水压强分布规律的总流分析法
The pressure distribution of continuous rapidly varied flow and its experiment verify
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我得了重感冒,总流鼻涕。
I have a bad cold and I am full of catarrh .
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异重流总流运动微分方程:Ⅰ-理论推导
Total sediment density current differential equation :ⅰ - theory
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五相混合式步进电动机恒频斩波恒总流驱动系统的稳态仿真模型
Steady Modeling of 5 Phase Hybrid Step Motor System with Fixed Chopping Frequency and Constant Total Current Driving
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微波衰减测量技术被用来测量三相流总流的含水量,电容传感器测出其中的油、水比率。
Microwave attenuation technique is used to measure water phase fraction . Capacitance transducer is used to measure oil / water ratio .
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建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型;
Mathematical model of the system , included the current control circuit , power driving circuit and five-phase hybrid stepping motor is established .
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并用锦屏水库的异重流洪水资料进行了模拟检验,发现以总流为控制体的异重流差分模型在锦屏水库应用较为合理,模拟结果较接近观测值。
The results obtained by using the total sediment density current difference model show that the model structur is reasonable and the calculated results are relatively close to the observed .
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该文根据公司的实际需要及生产特点,运用流体力学的基础理论知识,从流体流动的总流伯努利方程、动量定理出发,设计出了一套适合本公司的蒸汽喷射器。
According to the company 's actual requirement and processing character , a suit of vapor ejector was designed , which are based on hydromechanical basic theory knowledge , Bernoulli equation and theory of momentum .
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建立了五相混合式步进电动机恒频斩波恒总流驱动系统包括电流控制部分在内的单步响应特性的仿真模型,对单步响应特性进行了仿真。
A simulation model of five-phase hybrid stepper motor driver system with fixed-chopping frequency and constant total current driving are established , its one step response and the procedure of the light and heavy step phenomenon are analyzed .
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目的建立黄芪药材高效液相-质谱检测器(HPLC-MS)总离子流色谱指纹图谱的评价方法。
OBJECTIVE To establish an evaluation method of Radix astragali by HPLC-MS total ionic chromatographic fingerprints .
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黄芩药材HPLC-ESI-MS总离子流色谱指纹图谱研究
Study on HPLC-ESI-MS Total Ionic Chromatographic Fingerprints of Scutellaria baicalensis
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第2种拥塞控制策略同时考虑MAC层时间限制和二进制干扰模型限制,使系统中总的流效用之和达到比例公平。
The MAC time constraint and binary interference model constraint are considered in the second congestion control scheme . The goal is to obtain proportional fairness for the sum of each flow utility .
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FAB-MS总离子流非线性拟合法分析川芎嗪
FAB-MS quantitatively analyze ligustrazine with the non-linear curve fitting of total ion current
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在内流通道进口雷诺数为40000~80000,通道总出流比为030~060的范围内测量了通道压力损失系数Cp的分布,分析了通道进口雷诺数和通道总出流比对Cp的影响规律。
The distributions of pressure drop coefficients were measured along the passage with Reynolds numbers changing from 40000 to 80000 and suction ratios ( SR ) changing from 0.30 to 0.60 . Influences of Reynolds number and suction ratio on pressure loss were studied .
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结果:得到了样品总离子流以及选择离子流相应色谱峰的ESI-MS质谱图,初步鉴定出盐酸米诺环素的主要相关物质A,B,C,D。
Ion power temperature : 150 ℃ . Results : The total ion current and each chromatographic peak of selected ion current were obtained , and resolution of these mass spectra was elucidated . The related substances A , B , C and D in minocycline hydrochloride were identified .
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链烷烃中正构烷烃的碳数分布为C20&C38,其中环烷烃的含量低于NMR的检测限,环烷烃的总离子流色谱图显示出其中的链烷烃含量很低。
The carbon number distribution of normal paraffin in alkane is C_ 20 & C_ 38 . Cycloparaffinic hydrocarbon in alkane is less than the detection limit of NMR , and the total ion chromatogram of cycloparaffinic hydrocarbon shows that the content of alkane in cycloparaffinic hydrocarbon is very little .
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采用气相色谱-质谱(GC-MS)法同时测定纺织品中9种有机锡。应用液液萃取提取纺织品中的有机锡,通过四乙基硼化钠衍生后,采用GC-MS总离子流和选择离子进行测定。
The gas chromatography-mass spectrometry ( GC-MS ) was used for simultaneous determination of 9 organotin compounds in textiles , which involved liquid-liquid extraction of organotin compounds from textiles , derivatization with NaBEt_4 and analysis of the ethyl organotin by GC-MS in scan mode and selective ion mode .
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以总离子流图归一化法测定其百分含量。
The total ion current showed their percentages by area normalization method .
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根据总离子流色谱图,共分离62个峰,鉴定出45个化合物。
According to General ion flow chromatographic separation figure , a total of 62 peak , identified 45 compounds .
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采用固相微萃取顶空取样技术和气相色谱质谱法对烟用香精002的香气成分进行了分析鉴定,对总离子流色谱图的峰面积进行归一化定量。
The aroma constituents of tobacco flavor 002 were analyzed by GC-MS with solid phase microextraction ( SPME ) .
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结果:从样品Ⅰ中鉴定了14个化合物,其含量占总离子流的33.24%。
RESULTS : 14 compounds have been identified , which represent 33.24 % of the total ion current in sample ⅰ;
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而同类木材总离子流图基本相同,相关系数较高,并且都含有相同的特征峰。
They have the same characteristic peaks and high coefficient correlation . Therefore , two kinds of ways are concluded to identify wood .
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采用患肢返流静脉节段数、总返流时间和深静脉总返流时间评估整体静脉瓣功能不全。
The venous reflux segments . the total limb reflux times and total deep venous reflux times were used to assess the total venous functions .
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应用耗散结构理论,提出了大气中湿熵的具体计算公式和相对湿熵的概念,推导出了便于在大气中实际应用的总熵流表达式。
Based on the theory of dissipation structure , the calculation formula of atmospheric Wet entropy and the conception of relative wet entropy have been presented .
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确立了传递到基础的总功率流、垂向功率流、垂向输入力和垂向响应速度最小化控制策略,给出了实施主动控制的最优控制力表达式。
Control strategies for minimization of total power flow , axial power flow , axial force and axial response velocity are proposed , and expressions for optimal control forces are presented .
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高的D~+离子比(质子比)意味着可以降低对总束流强度的要求,亦可以减小无用离子引起的额外负载。
Higher D ~ + ion fraction ( or proton fraction ) means that the required total beam current can be reduced , and the additional beam load of unwanted ions can also be reduced .
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在分析长江中下游洪水特性基础上,针对中下游河道行洪特征,采用总入流分析法,分析了中下游主要控制站设计洪水。
Based on analyzing the flood characteristics in the middle and lower Yangtze river , a total inflow analysis method is used to analyze the design floods at main control stations of the middle and lower Yangtze river .
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监控特征离子峰(m/z268、266、231、176),以总离子流的保留时间和质谱碎片的质荷比以及质谱碎片的相对丰度确保定性结果可靠。
The qualitation were safety to monitored ion current ( m / z 268,266,231,176 ), with the mass-spectrum and diagnostic ions ( m / z ) and relative abundance and retention time of total ion current of samples showed .
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在考虑基础柔性的前提下,建立了隔振系统的数学模型,推导了系统的功率流传递函数,讨论了总功率流最小控制策略下的控制效果。
With consideration of flexibility of foundation , mathematic model of vibration isolating system is established . The transmission function of power flow is induced and effect of control is discussed when the minimum of total power flow energy is the object .