查询词典 calculus

Historically, one of the earliest recorded references to the mathematical impossibility of assigning a value to a /0 is contained in George Berkeley 's criticism of infinitesimal calculus in The Analyst ; see Ghosts of departed quantities .

由於在除权日当日买入股票的人已不能享有该次权益，交易所通常会在除权日开市前自动把该股票的上一交易日收市价扣减该等权益的价值，定为该股票的开市参考价。

The titanium border grade of Panzhihua is identified by means of statistical and infinitesimal calculus(referring to the data of Yunan's titanium properly) to get optimum application.

通过用统计和曲线积分方法(并适当参考云南钛砂资源的资料)来确定调查区合理的钛砂矿边界品位，达到矿产资源的最优利用；以规则的取样投影图形代替水平投影，对传统的地质块段法储量估算进行了数学纠正以得到合理的估算参数，并对调查区钛砂资源进行了远景储量估算。

To perfect it,this paper,by using the basic knowledge in definite integral Newton—'Leibniz formula,offers an applied method of definite integral,partial quantity function infinitesimal calculus method,which is both theoretically reliable and easily applied.

一般教材都使用"微元法"给出被积函数，这一方法在理论上并非严格，为弥补该方法在理论上的不足之处，将定积分的应用方法总结为"部分量函数微积分法"。

infinitesimal calculus ; chart theory ; probability ; application ; economic management

本文就数学的一些分支在经济管理中的应用作一初步讨论。1 一元微积分在经济管理中的应用1.1价格需求弹性系数我们知道，商品

Alexander Wylie wrote and translated many technical works such as Elementary Mathematics,Infinitesimal Calculus Ladder,Talking about Astronomy,Original Geometry Book and etc during the period he stayed in China.

伟烈亚力在中国期间，先后撰写和翻译了《数学启蒙》、《微积分拾级》、《谈天》、《几何原本》后9卷等重要的介绍西方科技的著作，将西方最新的数学、天文学等方面的知识带到了中国。

Under these cir-cumstances,we were organ ized to compile"Infinitesimal Calculus and the Basis of Applied Math-ematics",which is a new mathematics teac...

作为高等职业教育公共基础课的数学教材，该书采用模块式、手册型，突出高职教育的应用性，便于自学，达到大学专科水平，注重对学生进行数学素质教育，特别重视培养学生的计算能力和抽象类比能力。并探索了将数学建模和计算机应用引入课堂教学。

Results showed that L-THP possessed negative inotropic and negative chronotropic action, lowed left ventricular pressure and it's infinitesimal calculus, decreased heart output in per min., shorten 〓 and 〓 of action potential of ventricular papillary muscle of guinea pig and even the plate-phase of action potential disappeared in larger dose group , but prolonged 〓. we studied transmembrane transportation of 〓 after administering L-THP , L-THP not only depressed uptake and increased release of Ca 2+ in normal myocardium, but also it showed stronger inhibition in cell injured by ISO, and fully eliminated the effect of ISO increasing uptake and decreasing release of 〓. By detecting the 〓 content of ventricular single myocyte using fluorescent probe Fluo-3/AM, results correspond to that done above, L-THP decreased 〓 content inside of cell significantly. Using whole-cell mode, we observed the effect of L-THP on Ica in ventricular single cell, it was found that L-THP decreased Ica, the effect increased with increasing it's dose, and had voltage, frequency-dependency. Dose highly corelated to effect, corelative constant is 0.87. When washing cell with normal tyre's solution, Ica could recover, which proved the blocked action of L-THP on calcium channel once again. Meanwhile, L-THP reduced production of MDA in heart injured by ISO in dose-dependent manner, improved content of GSH-Px, in case tissue or cell free from free radical damage.

结果显示，该药物具有负性肌力和负性频率作用，降低左室压及其微分，终使每分心输出量减少；缩短豚鼠心室乳头肌动作电位时程的〓和APD〓，大剂量使动作电位平台消失，〓延长；同位素示踪法研究证实L-THP抑制〓摄取，促进〓释放，降低细胞内的〓含量；单通道水平的研究证实，L-THP减少豚鼠心室肌单细胞内向钙电流，且具有剂量，电压，频率依赖性，其作用易于洗脱，药物剂量与Ica也具有高度相关性（相关系数r为-0.87）；L-THP还可抑制ISO损伤心肌组织所致的丙二醛含量增加，增加谷胱甘肽过氧化物酶的量，使组织细胞免受损伤。L-THP阻断L-型〓通道，抑制〓的摄取，促进〓的释放，降低细胞内〓含量L-THP作用的离子基础。

If the knowledge was closely related the many disciplines or many branches of a discipline,then this knowledge is certainly important,but the quadratic form,european space inner product,Jensen inequality are basic content of algebra,real letters,calculus in higher mathematics.

如果某一知识跟很多学科或者一个学科的很多分支有着密切联系，那么这个知识肯定是很重要的，而二次型、欧式空间内积、詹森不等式都是高等数学中代数、实函、微积分的基本内容。

According to our teaching practice,effective applications of some relative calculus background knowledge in teaching are given,such as introduction of real number ,Newton-Leibniz s formula,principle of integrability,meaning of infinite series.

结合教学实践，讨论了实数的引入，Newton-Leibniz公式，无穷级数，函数的可积性准则这几个相关的微积分背景知识在教学中的有效运用。

It expands Lebesgue characteristic of integrable function of Riemann through the definition of gather zero measure and builds up the theory of many integral calculus.

通过定义多维零测度集将可积函数的特征扩展到多维情形，同样统一了多维情形的充分条件，建立了多维情形的可积性理论。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。