查询词典 analytical geometry

The theory and method that the surface tension coefficient of liquid is measured by an electronic analytical balance is introduced.

阐述用电子分析天平测量液体表面张力系数的原理和方法。

Basic knowledge of analytical instruments, such as balance, pH meter, KF titration, etc

分析仪器的基本知识，如分析天平，pH计，KF滴定等

The common troubleshooting of the photoelectric analytical balance was introduced.

介绍光电分析天平一般故障的现象、产生的原因及其排除方法。

Temperature drifts and time varying drifts are primary factors of error of electronic analytical balance.

温漂和时漂是电子分析天平产生误差的主要原因，其自动补偿具有重要意义。

By means of water pollution index evaluation method and supply and demand balance analytical method,water quality and quantity in some regions were evaluated.

1评价方法由于世界人口的猛增和人类的非理性开发，以及由于技术、资金等因素，最终导致了世界水资源问题———淡水资源短缺与水污染。

A large, shallow dish is preferred, but its size and weight are limited when an analytical balance is chosen to detect small weight changes.

首选透湿杯是大而浅的杯子，但是选定了用于检测微小重量变化的分析天平后它的尺寸和重量也就受到了一定的限制。

Objective To accurately prepare standard dry powder with electronic analytical balance.

目的 更加精确的配制标准品、质控品，而且一目了然。

The construction principle of analytical balance style instrument about measuring the center of mass on axial direction and the adjustment method of its sensitivity are described.

本文介绍了天平式轴向质心仪的结构原理及其灵敏度的调整方法；说明了构件轴向质心位置的测量方法及其误差分析。

But in those occasions which require high precision such as electronic analytical balance, the close-loop mode must be employed to improve the precision of measurement.

但在高精度测量条件下，如电子分析天平，则必需采用闭环控制引入反馈环节，提高测量精度。

Gray balance of analytical measurement, best halftoning replication and for different ink, paper and printing conditions of salting.

灰不均的不合析丈量、最好阶调复制及针差差别油不朱、纸张和印刷前提的校色

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。