查询词典 field control

Optical control of the primary step of photoisomerization of the retinal molecule in bacteriorhodopsin from the all-trans to the 13-cis state was demonstrated under weak field conditions (where only 1 of 300 retinal molecules absorbs a photon during the excitation cycle) that are relevant to understanding biological processes.

在弱场条件下（整个兴奋周期中，300个视黄醛分子中只有一个吸收光子），细菌视紫红质中视黄醛分子的从全反式到13－顺式状态的光致异构化的最初阶段的光学控制被阐明，这与生物学过程的理解有关。

The field tests indicated that: The lowest effective dosage of the gra-nulosis virus from Pieris brassicae in the control of the small white butterfly, Artogeia rapae was in a range of 2.3 × 1010- 3.4 × 1010 GIB/mu.

田同试验结果表明：大菜粉蝶颗粒体病毒防治甘蓝地上菜粉蝶幼虫的最低有效剂量在2.3×10~(10)～3.4×10~(10)颗粒体/亩之间；病毒的喷布应在寄主卵与低龄幼虫的高峰期进行，春夏季以在田间寄主卵孵化率近20％时使用为宜。

Field trials showed that the control effect of ZJ0967 (70% WG) against Prodenia litura was 88.6%~93.9% after seven days at the rate of 210~420 g a. i./hm^2. No crop injury was observed at the dosage of the tests.

田间试验结果表明，70%甲磺虫腙WG在有效成分为210~420g/hm^2时，对斜纹夜蛾7d的防效可达88.6%~93.9%，未观察到对作物产生药害。

Awards and Publications: Dr. Liang was awarded progressor in the handling of the first outbreak 0f plague in Guangxi (2001) and progressor in the field of endemic diseases prevention and control .

科研成果以及论文发表情况：获广西区人民政府颁发的&广西首次鼠疫疫情处理工作先进个人（2001）&和&广西地方病防治工作先进个人（2002）&。

The Sentry 6500 combines Mix-Mill's unique Magic Window computer, with an electronic touch control panel that has been field tested in over 1,000 installations, a two or three roll mill, and a highly accurate positive gear drive proportioner.

Sentry 6500结合了Mix-Mill独特的Magic Window计算机，配备了电子触摸控制面板，两个或三个辊轧机和高精度齿轮传动比例混合器。

At first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu-lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band-pass filter, alternating amplifier, phase sensitive demodulatorn, pulse-width modulation, frequency scale circuit, moment current generator. Finally, using the graphics program language LabV-IEW which is designed for testing field especially by NI accomplishes the solfware design of testing system,realized the testing functions.

首先对加速度计及其测试技术的发展历史和现状，液浮摆式加速度计的工作原理和数学模型等作了简要的介绍，然后确定了以二元调宽脉冲再平衡测试回路为设计方案，并从控制理论的角度进行了分析，着重研究了系统中各部分的传递函数，利用系统开环传递函数分析了系统的稳定性，同时设计了系统的校正网络；分析了二元调宽脉冲再平衡测试回路的分辨率、采样约束以及测试精度等基本问题，并按照系统分析的结果设计了包括前置放大、带通滤波、交流放大、相敏解调、脉宽调制、频标电路以及力矩电流发生器等测试系统各部分硬件电路，验证了电路的正确性，最后按照测试系统的要求，采用了美国NI公司专为测试领域所开发的虚拟仪器工具——LabVIEW作为测试软件开发工具，利用该图形化编程语言完成了测试系统软件部分的设计，实现了测试功能。

The progress and the development in this field are discussed, such as the applications of reversibly photoisomerized biomaterials in optical memory, electrochemical control, biosensors, etc.

探讨了可逆异构化开关物质在光记忆、电化学控制、生物传感器等方面的应用，并对它的未来前景作出展望。

The use of fieldbus which is the new technology in process control field is more widely and riper.

现场总线作为过程控制领域的新技术，应用日益成熟和广泛。

Given the Duri oil field adjacent to the consolidation of sand there is not serious sand greatly reduced pump rod pump efficiency, and horizontal wells using the naked eye is difficult to control completion of prefabricated sieve out the sand, so the use of horizontal wells Kulin tolerance strata of sand Rodless pump artificial lift.

鉴于相邻的Duri油田有不固结砂，严重的出砂大大降低了有杆泵泵效，而水平井采用裸眼预制筛管完井难以控制出砂，因此Kulin水平井采用耐受地层出砂的无杆泵进行人工举升。

Field efficacy trials indicated relativity good control of banana sigatoka leaf spot disease .

田间药效试验结果表明，对香蕉叶斑病有较好的防效。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。