操作误差

However,one of the key chemicals in the method is acetic anhydride,which is in the list...

该方法具有准确度高、重现性好、易于操作的特点，相对误差在3%以内，可以满足生产控制质量的要求。

Through computing the space between Moire stripe and the angle of grating bar line, we can get the angle of Moire stripe.

这样不仅省却了机械结构，而且也减少了人为操作产生的误差，为实现智能化角度测量提供了可能。

More than 1 part in 2\*\*53 per operation. That's more than adequate for mosttasks, but you do need to keep in mind that it's not decimal arithmetic, and

Python浮点操作中的错误是由硬件本身限制的，在大多数的机器上每次运算的误差不会超过2的53次方之一。

I am saved at that time " examine immediately " basic characteristic is: 1Of.1POCT cover a range wide, the testing instrument model of same item amounts to 7~8 to plant. 1.2POCT all is placed in clinical the outpatient service of each division, emergency call and ward, the apparatus is almost entire by groom without POCT operation post already card, lack again examine the operation of the member that be not identifier of basic knowledge. 1.3POCT assures measure without quality, examine the specimen is collected, reagent is purchased and save all compare optional, be opposite extremely between the instrument experiment, do not have room endoplasm to accuse already at ordinary times, do not have again judge character between the room, examine quality is in nobody to run state. Of 1.4POCT detect result error is big, repeatability of partial instrument result is poor, the hospital examined 2002 3 hospitals selectived examination randomly in division quality assessment, 45 second large biochemistry appearance detects contrasting POCT blood sugar, its written guarantee...

当时我省"即时检验"的基本特征是：1.1POCT的覆盖面广，同一项目的检测仪器型号多达7~8种。1.2POCT均放置在临床各科的门诊、急诊和病房，仪器几乎全由既无POCT操作岗位培训证，又缺少检验基本知识的非检验人员操作。1.3POCT没有质量保证办法，检验标本采集、试剂采购和保存均比较随意，仪器间无比对试验，平时既无室内质控，又无室间质评，检验质量处于无人管理状态。1.4POCT的检测结果误差大，部分仪器结果重复性差，2002年医院检验科质量考核中随机抽查了3所医院，45例次有大型生化仪检测对照的POCT血糖，其结。。。

In other words combination of two arithmetic operations may produce rounding error that significantly exceeds 2 epsilon.

换句话说，两个操作操作的组合可能会产生显著超过 2 倍精度的误差。

Realizes the automation operates, dissolving the factitiousness operate with read the few error margin.

实现了自动化操作，消除了人为操作和读数误差。

For the minimum dry density test of sand, test devices are improved to simplify the procedures and the test steps are adjusted to reduce the measurement error. The reverse graduated cylinder method and the tilting graduated cylinder method are recommended as the best methods for minimum dry density test and for leveling sand surface respectively. The optimum sampling quantity and the times of reversing graduated cylinder are studied.

对最小干密度试验，改进了试验装置以简化操作手续；调整了试验步骤以减小测量误差；推荐只使用量筒倒转法测量，用量筒倾斜法整平砂面；研究了最佳取样量和量筒倒转次数。

The paper explained the courses of logical measuring operation, diagram processing, and error analysis designed by Visual Basic 6.0, which made the operation simple and the display of diagrams accurate and legible.

通过Visual Basic 6.0语言设计合理的测量操作、图表处理及误差分析界面的过程，使操作简单，图表显示准确清晰，实现对1~2级超精密齿轮齿距累积总偏差测量装置的改进及其自动测量系统的设计。

This invention predigests process flow, decreasing operation post, saving construction investment and improving labor productivity; the setting is easy to operate, automatic control degree is high, the concentration error og allocated miscible liquids is small, completely satisfying the request of downstream operation.

本发明简化了生产流程，减少了操作岗位，能够节省建设投资和提高劳动生产率；设备操作简便，自控程度较高，调配后的混合液浓度误差小，完全满足下道工序的要求。

This instrument not only links up model 3201 Universal Involute-checking Instrument and model GCN-2 General Surface Roughness-checking Instrument but also refits them. It uses a micro error-gauging head instead of ...

该装置是用3201型万能渐开线检查仪与GCN-2型通用表面粗糙度检查仪相连接并改装而成，用微观误差测量头代替宏观误差测量头，它具有设备投资少，测量精度高、操作方便等优点，是目前一般工厂学校均可使用的较理想装置。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。