查询词典 sequential analysis

This thesis studies a widely used first order optimzation algorithm--Sequential Linear Programming method, SLP is modify so that it can solve structural and shape optimization problems more efficiently, including continuous and dsicrete variables problems. Finally the zeroth order optimization method is presented for two dimensional shape optimization problems.

本研究将从一般广为设计者所采用的一次最佳化方法--线性序列规划法的修正研究，以使其更稳定且更有效率地解决在一般结构与形态最佳化问题，包含有连续式及非连续式设计变数的最佳化问题演算过程，最后应用零次最佳化方法概念在二维形态最佳化设计上。

An I/O load consisting of consecutively issued read or write requests to adjacently located data. Sequential I/O is characteristic of data transfer intensive applications.

一个由连续发出的对连续位置的数据的读或写请求组成的I/O负载，连续I/O是数据传输敏感型应用程序的特征。

The anoxic sequential batch titration technique was used to determine the binding capacity of sediments for copper .

研究沉积物对重金属的结合能力有助于制订沉积物环境质量基准

Objective To evaluate the effect of RVOTS spiral electrode pacing on hemodynamics in the treatment by atrioventricular sequential pacing.

目的 评价在房室顺序起搏治疗中，右心室流出道间隔部螺旋电极起搏对血流动力学的影响。

Since graceful labeling of graph were introduced by Rosa in the late 1960s, Kotzig and Rosa, Bange et al defined magic labeling ; k-sequential labeling and k-sequentially additive labeling.

自从上世纪60年代末，Rosa引入图的优美标号概念以来，Kotzig和Rosa，Bange等人又定义了图的魔术标号，k-序列标号以及k-序列加法标号。

In order to get a more purification of osteoblast, Osteoblastic cells are isolated by sequential enzyme digestion from newborn SD rat calvaria.

为获得比较纯化的成骨细胞，本实验用新生1～2天的SD大鼠颅盖骨，采用二次胶原酶消法化进行细胞体外培养。

The hepatic metabolism is visualized by imaging sequential uptake of 6-carboxyfluorescein diacetate from hepatocytes and its excretion into bile canaliculi.

藉由观察6-CFDA在肝细胞内被转换并经由微胆管排出，我们真正看到肝脏的代谢功能。

Observation using transmission electron microscopy found the irreversible centripetal movement of chloroplasts in chlorotic plants, as a result occurred in three sequential events:(1) chloroplast positions changed from face position (with long axis of chloroplasts at the cell walls perpendicular to light ray) to profile position (with long axis chloroplasts near the cell walls parallel to light ray),(2) chloroplast shapes changed from long elliptical to circular,(3) chloroplasts were separated from the cell wall and moved to the center of the cell.

透射电镜观察发现失绿叶片中的叶绿体发生不可逆的向心运动，整个过程大致经历以下几个阶段：(1)叶绿体从叶绿体长轴垂直于光线转变至叶绿体长轴平行于光线；(2)叶绿体的形状从椭圆形转变为圆形；(3)叶绿体脱离细胞壁向细胞中心运动。

On the basis of the several sequential transitions in the biological invasion process, Cichorium intybus L.were considered as pattern organism and risk assessments were implemented.

根据生物入侵过程中的传入、定殖和扩散阶段，以菊苣为模式生物进行引进菊苣的有害生物的风险分析。

Nutrition solution culture, ICP-AES, the differential centrifugation technique and sequential chemical extraction method, suppression subtractive hybridization , RAPD were used in this thesis to study the mechanisms of copper tolerance and accumulation by Commelina communis grown in copper mine deposit which was reported to be a Cu hyperaccumulator, compared with C.

论文以本实验室报道的生长于矿山上的铜超富集植物鸭跖草和生长于正常土壤中的鸭跖草为试验材料，分别运用溶液培养法、ICP-AES元素测定技术、差速离心法和化学试剂逐步提取法、抑制消减杂交技术、RAPD技术研究了矿山和非矿山两种生境鸭跖草对铜的耐性和吸收积累的差异，两种生境鸭跖草在铜胁迫下养分吸收和积累的差异，两种生境鸭跖草在铜胁迫下生理反应的差异，以及铜在鸭跖草细胞内的分布及结合形态研究，矿山鸭跖草差异表达的cDNA克隆，铜对鸭跖草种群遗传分化的影响，从这几个方面探讨了矿山鸭跖草对铜的耐性机理。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。