Trouble caused by pitch deposition in newsprint production of Guangzhou Paper Mill is described. Chemical control method and process control method for controlling pitch deposition are discussed.
主要介绍了新闻纸生产中树脂的沉积及其造成的障碍，重点阐述了目前广州造纸有限公司新闻纸生产中控制树脂沉积的方法。
IPM is an effective pest control method that uses information on the life cycle of the pest and incorporates nonchemical and chemical methods.
这种方法是一种有效的综合运用非化学和化学方法的方法，并充分利用害虫生长周期的一种方法。
Method to monitor sterilization effect comprehensively, adopt biological indicator and chemical indicator to control different parameter and mechanical status during the sterilization.
方法采用生物指示剂、化学指示剂和控制灭菌过程的各种参数及机械状况，对灭菌效果进行综合监测。
Methods:adhesive killing method for density investigation, and cockroach gel bail for chemical control.
方法：密度调查采用粘捕法，化学防治采用高效灭蟑毒饵；
Methods Adhesiving killing method for density investigation, and Premise cockroach gel bait for chemical control.
方法密度调查采用粘捕法，化学防治采用拜灭士杀蟑胶饵。
The principle and method of design for recognition and control software package for chemical polyreaction process are presented.
介绍了化工间歇聚合反应过程辨识与控制软件包的设计原理和设计方法。
Combined with natural gas test work, the quality control method in natural gas chemical laboratory was discussed.
结合天然气检测工作实际情况，对天然气检测实验室质量控制方式进行了探讨。
Modulations of control parameter on chemical bistable system is investigated by using of parameter modulation method.
采用调整控制参数的方法，实现对化学双稳行为的调制。
HY-200 process procedure for colour chemical conversion coating of al and its alloys parts and the test method for quality control are introduced in this paper.
本文介绍了对铝及铝合金零件进行彩色化学转化处理的HY—200法的工艺及质量控制的试验方法。
Principal component analysis (PCA) has found wide application in chemical process monitoring and product quality control as a data-driven modeling method.
主元分析(PCA)作为数据驱动的一种统计建模方法，在化工产品质量控制与故障诊断方面得到广泛研究和应用。
To handle the unsymmetrical dynamic characteristics of some nonlinear systems in chemical process, a multi-model predictive control method was proposed based on self-tuning model.
针对化工过程某些非线性系统的不对称动态特性，提出了一种基于自校正模型的多模型预测控制算法。
The direct means include physical and chemical methods, but biological method means to apply vegetation for algae control.
物理法和化学法是除藻技术的直接手段，而生物法是通过生物对藻类的控制来达到控藻的目的。
The first control method is a kind of perturbation control and can stabilize the BZ-CSTR chemical chaos to its embedded unstable periodic orbits (UPO).
第一种控制方案是一种微扰控制，并能将BZ-CSTR化学混沌稳定控制到其内嵌的不稳定周期轨道（UPO）上去。
Methods 1%yekang cockroach gel bait and 0.5% Permanone smoke fog were used for chemical control. Adhesive killing method was applied in density investigation.
方法采用1%晔康杀蟑胶饵和0.5%氯菊酯的烟雾剂，密度监测采用粘捕法。
Methods: Chemical Methods Maitong particles quality control and stability studies and the control method to clinical observation.
方法：以化学方法对脉通颗粒进行质量控制和稳定性研究，并以对照法进行临床疗效观察。
The design method and realization of measurement scale control system used to match material in chemical production was introduced. The configuration and LAD programming were based on the S7-300 PLC.
介绍在化工生产中加料用的计量秤控制系统的设计方法及在S7- 300PLC上进行组态、编程的实现过程。
In order to solve the problems in the synthesizing process of hydrogen chloride in Yunnan Chemical Factory, a new advanced and efficient control method is presented in this paper.
本文针对云南化工厂合成氯化氢成份控制中存在的问题，提出了一种确实可行的控制方案。
This paper describes characteristics of insect control and method of chemical synthesis of fenoxycarb, an insect growth regulator. A desired synthetic route of the insecticide is proposed.
介绍了苯醚威的杀虫特点及化学合成方法。通过比较，推荐了一条较为合理的化学合成路线。
This paper describes characteristics of insect control and method of chemical synthesis of fenoxycarb, an insect growth regulator.
介绍了苯醚威的杀虫特点及化学合成方法。
This article according to the characteristic reborn of resin to introduce artificial nerve network control method application for adding reborn chemical.
本文作者根据树脂再生的特点，介绍了人工神经网络控制在树脂再生中对再生剂投加量的控制的应用。
Chemical fiber carpet has poor moisture adsorption and easily generates static charge. Blending conductive fiber into carpet yarn is an ideal method for static control.
化纤地毯吸湿性差，易产生静电，而在地毯纱中混用导电纤维是一种理想的防静电方法。
Optimum period for control, optimal chemical using amount and spraying method have been put forward.
同时提出防治适期、最佳用药量的喷雾作业方式。
The result showed that this method has an important effect for statistical quality control of chemical composition of cast iron.
结果表明，此方法对灰铸铁成分统计质量控制具有实际意义。
Objective: To establish the method of specific chromatogram analysis of chemical constituents by RP-HPLC with diode array detector(DAD) for the quality control of Wuling capsules.
目的：建立乌灵胶囊高效液相色谱化学成分特征图谱，为科学评价其质量提供可靠方法。
The established method is accurate and repeatable, and can be used for the study on the chemical material of this formula and the evidence for quality control of traditional Chinese drugs.
研究表明：建立的方法准确、可靠，可用于大承气汤物质基础的研究和其中成药开发时的质量控制。
As the main method of stabilizing oil production and controlling water cut, chemical profile control is an important way to improve the integrated development of high water cut period reservoir.
化学调剖技术作为稳油控水的主要手段，是提高中高含水油藏整体开发效果的重要途径。
In order to protect the public water system from chemical herbicides pollution, biological method has been suggested to control the growth and the reproduction of this weed.
为了避免化学除草剂对水体的污染，生物防治已成为当前水葫芦治理的重要方向。
The present invention relates to a method to produce a chemical specially for the prevention and control of fruit tree the rotten disease.
本发明涉及一种药品的生产方法，这种药品用于防治树木、特别是果树腐烂病。
The present invention relates to a method to produce a chemical specially for the prevention and control of fruit tree the rotten disease.
本发明涉及一种药品的生产方法，这种药品用于防治树木、特别是果树腐烂病。
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