二阶椭圆算子,second order elliptic operator,在线英语词典,英文翻译,专业英语

1) second order elliptic operator

二阶椭圆算子

2) second order

二阶

The existence of periodic solutions for a class of second order functional differential equations;

一类二阶泛函微分方程周期解的存在性

Interval oscillation for second order neutral functional differential equations;

一类二阶中立型泛函微分方程的区间振动性

Oscillation comparison theorems of solutions for second order nonlinear elliptic differential equations;

二阶非线性椭圆型微分方程解的振动比较定理

3) second-order

二阶

Oscillation criteria for a kind of second-order nonlinear difference equation;

一类二阶非线性差分方程的振动准则

Boundedness of second-order nonlinear functional differential equations;

关于二阶非线性泛函微分方程的有界性

A Second-order Algorithm for the Numerical S imulation of Stochastic Resonance;

一种用于随机共振数值模拟的二阶方法

4) two-stage sampling

二阶抽样

Extension of two useful results in two-stage sampling and its applications;

对二阶抽样中两个定理的扩充及其应用

Based on the calculations in simple random sampling,stratified random sampling and two-stage sampling,it is shown that when the sampling size of two-stage sampling is 1/2 that of simple random sampling,the mean square error is much smaller than that of simple random sampling.

在通过对简单随机抽样、分层随机抽样和二阶抽样的实例计算之后,证明二阶抽样在抽样样本量为简单随机抽样的1/2时,其样本方差远小于简单随机抽样的样本方差;在样本量与分层随机抽样相同的情况下,其样本方差也要远小于分层随机抽样方差,提高了抽样数据的可信度和精度,从而肯定了二阶抽样方法对于数控机床可靠性研究中数据抽样问题的适用性,节约了抽样成本。

Based on the precision and the cost of the relationship between the use of conditional extremum for the function of several variables method to determine when the first sample for sampling with probability proportion to size,the second-simple random sampling,the two-stage sampling is optimal allocation.

本文根据精度与费用之间的关系,利用求多元函数条件极值的方法,确定当第一级抽样为有放回PPS抽样,第二级抽样为简单随机抽样时,二阶抽样的样本容量最优分配。

5) second-order fluid

二阶流体

Flow rate distribution of the non-steady flow of second-order fluid in eccentric annulus with the inner cylinder reciprocating axially;

二阶流体在内管做轴向往复运动的偏心环空中非定常流的流量分布

Analytical solution to relatively moving resistance of two spheres with interstitial second-order fluid;

存在填隙二阶流体时两圆球相对运动阻力的解析解

The normal viscous force of squeeze flow between two arbitrary rigid spheres with an interstitial second-order fluid was studied for modeling wet granular materials using the discrete element method.

　为了进行湿颗粒群的离散元模拟,研究两圆球颗粒间二阶流体在挤压流动时的法向粘性力·　首先用小参数法对两平行圆盘间二阶流体挤压流动的速度场和正应力分布进行了近似分析,然后用类似的方法,分析任意两圆球间二阶流体的挤压流动,得到了压力分布和法向粘性力的解析解·

6) Second-order calibration

二阶校正

Determination of salicylate acid in plasma using three-dimensional fluorescence coupled with second-order calibration algorithms;

二阶校正法与三维荧光光谱相结合直接测定人体血浆中的水杨酸

In this study, TYR and TRY in amino acid oral liquid were resolved simultaneously and determined directly by using second-order calibration based on alternating trilinear decomposition algorithm and excitation-emission matrix spectrofluorimetry(EEMs), and the results were validated by standard additio.

本研究将交替三线性分解二阶校正算法与激发发射矩阵荧光法相结合,对氨基酸口服液中共存的酪氨酸和色氨酸进行了同时分辨和直接定量测定,并用加入标准法对结果进行验证,TYR和TRY的回收率分别为(96。

A novel method was proposed for the rapid determination of Daunomycin Hydrochloride(DM)in plasma and urine by combining the excitation-emission fluorescence spectra with the second-order calibration based on the alternating trilinear decomposition algorithm.

文章采用三维激发发射荧光光谱与化学计量学交替三线性分解(ATLD)二阶校正法相结合,对血浆液和尿液中柔红霉素(DM)进行定量测定。

参考词条

二阶表面二阶张量二阶反应二阶滑模 +二阶矩法二阶效应二阶段法二阶分析二阶绕射二阶预测梅森素数

补充资料：横截椭圆型算子

横截椭圆型算子
perator transversal ( ?; transversally) elliptic

横截椭圆型算子【。，.列即刻(或加nsversally)d饰dc0伴口for;印aHcBePc幼研o，~m呵ecICH益oneP姗P」一个微分算子或伪微分算子(Pseudo .d迁rerentinlopel飞ltor)(亦见微分算子(d迁rerentlal operator))而与作用在一流形上的某个Lie群可交换，此算子即定义在此流形上，且在该群轨道的法方向上是椭圆型的.若此算子作用于向量丛的截面上，则也假设此Lie群G的作用可以提升到每一个丛上，且可进一步拓展到丛的截面上.若此群是离散的，则横截椭圆型算子就是与G的作用可交换的通常的椭圆型算子.若G在流形X上的作用是传递的，则任一个与G的作用可交换的微分算子或伪微分算子都是横截椭圆型算子.若G和X为紧的，则对于横截椭圆型算子可以定义并计算指标.它是G上的一个广义函数.(见指标公式(indexfo月11川as)).对于自伴的横截椭圆型算子，可以考虑G的作用而得出其精密的谱特性。【补注】于是，一个(伪)微分算子如果与一群的无穷小作用所定义的向量场之组合构成一个超定椭圆型方程组，则它是横截椭圆型的(亦见椭圆型偏微分方程(eiliptic paitia】d迁rerential闪班ltion)).齐民友译

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

首页 \| 翻译 \| 影视 \| 论坛 \| 索引二阶谐量二阶评估二阶挤出二阶NLO 二阶微分二阶导数

1) second order elliptic operator 二阶椭圆算子 2) second order 二阶 1. The existence of periodic solutions for a class of second order functional differential equations; 一类二阶泛函微分方程周期解的存在性 2. Interval oscillation for second order neutral functional differential equations; 一类二阶中立型泛函微分方程的区间振动性 3. Oscillation comparison theorems of solutions for second order nonlinear elliptic differential equations; 二阶非线性椭圆型微分方程解的振动比较定理 3) second-order 二阶 1. Oscillation criteria for a kind of second-order nonlinear difference equation; 一类二阶非线性差分方程的振动准则 2. Boundedness of second-order nonlinear functional differential equations; 关于二阶非线性泛函微分方程的有界性 3. A Second-order Algorithm for the Numerical S imulation of Stochastic Resonance; 一种用于随机共振数值模拟的二阶方法 4) two-stage sampling 二阶抽样 1. Extension of two useful results in two-stage sampling and its applications; 对二阶抽样中两个定理的扩充及其应用 2. Based on the calculations in simple random sampling,stratified random sampling and two-stage sampling,it is shown that when the sampling size of two-stage sampling is 1/2 that of simple random sampling,the mean square error is much smaller than that of simple random sampling. 在通过对简单随机抽样、分层随机抽样和二阶抽样的实例计算之后,证明二阶抽样在抽样样本量为简单随机抽样的1/2时,其样本方差远小于简单随机抽样的样本方差;在样本量与分层随机抽样相同的情况下,其样本方差也要远小于分层随机抽样方差,提高了抽样数据的可信度和精度,从而肯定了二阶抽样方法对于数控机床可靠性研究中数据抽样问题的适用性,节约了抽样成本。 3. Based on the precision and the cost of the relationship between the use of conditional extremum for the function of several variables method to determine when the first sample for sampling with probability proportion to size,the second-simple random sampling,the two-stage sampling is optimal allocation. 本文根据精度与费用之间的关系,利用求多元函数条件极值的方法,确定当第一级抽样为有放回PPS抽样,第二级抽样为简单随机抽样时,二阶抽样的样本容量最优分配。 5) second-order fluid 二阶流体 1. Flow rate distribution of the non-steady flow of second-order fluid in eccentric annulus with the inner cylinder reciprocating axially; 二阶流体在内管做轴向往复运动的偏心环空中非定常流的流量分布 2. Analytical solution to relatively moving resistance of two spheres with interstitial second-order fluid; 存在填隙二阶流体时两圆球相对运动阻力的解析解 3. The normal viscous force of squeeze flow between two arbitrary rigid spheres with an interstitial second-order fluid was studied for modeling wet granular materials using the discrete element method. 　为了进行湿颗粒群的离散元模拟,研究两圆球颗粒间二阶流体在挤压流动时的法向粘性力·　首先用小参数法对两平行圆盘间二阶流体挤压流动的速度场和正应力分布进行了近似分析,然后用类似的方法,分析任意两圆球间二阶流体的挤压流动,得到了压力分布和法向粘性力的解析解· 6) Second-order calibration 二阶校正 1. Determination of salicylate acid in plasma using three-dimensional fluorescence coupled with second-order calibration algorithms; 二阶校正法与三维荧光光谱相结合直接测定人体血浆中的水杨酸 2. In this study, TYR and TRY in amino acid oral liquid were resolved simultaneously and determined directly by using second-order calibration based on alternating trilinear decomposition algorithm and excitation-emission matrix spectrofluorimetry(EEMs), and the results were validated by standard additio. 本研究将交替三线性分解二阶校正算法与激发发射矩阵荧光法相结合,对氨基酸口服液中共存的酪氨酸和色氨酸进行了同时分辨和直接定量测定,并用加入标准法对结果进行验证,TYR和TRY的回收率分别为(96。 3. A novel method was proposed for the rapid determination of Daunomycin Hydrochloride(DM)in plasma and urine by combining the excitation-emission fluorescence spectra with the second-order calibration based on the alternating trilinear decomposition algorithm. 文章采用三维激发发射荧光光谱与化学计量学交替三线性分解(ATLD)二阶校正法相结合,对血浆液和尿液中柔红霉素(DM)进行定量测定。参考词条二阶表面二阶张量二阶反应二阶滑模 +二阶矩法二阶效应二阶段法二阶分析二阶绕射二阶预测梅森素数补充资料：横截椭圆型算子横截椭圆型算子 perator transversal ( ?; transversally) elliptic 横截椭圆型算子【。，.列即刻(或加nsversally)d饰dc0伴口for;印aHcBePc幼研o，~m呵ecICH益oneP姗P」一个微分算子或伪微分算子(Pseudo .d迁rerentinlopel飞ltor)(亦见微分算子(d迁rerentlal operator))而与作用在一流形上的某个Lie群可交换，此算子即定义在此流形上，且在该群轨道的法方向上是椭圆型的.若此算子作用于向量丛的截面上，则也假设此Lie群G的作用可以提升到每一个丛上，且可进一步拓展到丛的截面上.若此群是离散的，则横截椭圆型算子就是与G的作用可交换的通常的椭圆型算子.若G在流形X上的作用是传递的，则任一个与G的作用可交换的微分算子或伪微分算子都是横截椭圆型算子.若G和X为紧的，则对于横截椭圆型算子可以定义并计算指标.它是G上的一个广义函数.(见指标公式(indexfo月11川as)).对于自伴的横截椭圆型算子，可以考虑G的作用而得出其精密的谱特性。【补注】于是，一个(伪)微分算子如果与一群的无穷小作用所定义的向量场之组合构成一个超定椭圆型方程组，则它是横截椭圆型的(亦见椭圆型偏微分方程(eiliptic paitia】d迁rerential闪班ltion)).齐民友译说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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