The effective factor of determination COD in wastewater by using spectrophotometry has been analysed. The experimental condition, precision and accuracy of this method are determined.
对影响分光光度法测废水中COD的因素进行研究，确定方法的操作条件并进行验证。
To avoid the excessive subjectivity influenced by the conventional determination methods of weight factor, the rough set was introduced to the solution of the weight factor in the extenics evaluation.
为了避免传统的权值确定方法所带来的主观性影响，将粗糙集理论引入可拓权重系数的求解过程中，使权系数问题转化为属性重要度评价问题。
The paper introduced the course mechanism, effecting factor, methods of determination, and the effected technique of reducing loss from ammonia volatilization in paddy soil.
就稻田氨挥发产生过程和机理、影响因素、测定方法以及减少稻田氨挥发的有效技术作一综合回顾；
In the experiment, the method of determination of impulse scale factor of visual instrument and the effect of measuring the time parameters with visual instrument are studied.
用试验初步研究了确定虚拟仪器冲击刻度因数的方法和虚拟仪器测量时间参数的效果。
The key to establish model and predict lies in the determination of model parameters, which include generally dispersion coefficient and retardation factor.
构造模型进行预测的关键在于确定模型参数，在土壤溶质运移模型中一般包括弥散系数和延迟因子两个参数。
Compared with weight method and volume method, determination of the contents of strontium oxide in Bluestone using AAS was more simple and accurate, and few factor disturbed the method.
与重量法及容量法相比，采用火焰原子吸收分光光度法(AAS)测定天青石样品中的氧化锶含量，方法简单准确，干扰因素少。
The key factor of Glycery Monostearate content determination by Chemical method was discussed. The changes of this factor's condition may influence the result directly.
本文阐述了用化学方法测定单硬脂酸甘油酯含量时的最关键条件，这个因素的变化可直接影响检测结果。
Methods the calibration of the survey meter in SSDL should be done for determination of the relation of different reading-type survey meters as well as the correct factor of it.
方法用在标准剂量学实验室校准的方法，获得不同类型防护仪的校准因子和测量结果的相互关系。
The selection of regenerant and determination of regeneration conditions are discussed through single factor experiment for demagnesium to purify WPA by ion-exchange resin.
利用离子交换树脂脱除湿法磷酸中的镁，讨论脱镁树脂再生剂的选择及通过单因素实验选定再生条件。
The effect of different zero crossing wavelengths on determination of mixed colorants in food under the same divisor factor in derivative ratio spectrum were discussed.
探讨比值导数波谱法中相同除数因子下的不同零交点波长对食品混合色素检测的影响。
Mold parting direction is an important factor to verify the moldability of a molded part and its determination is the first step to achieve automatic design of injection mold or casting die.
判定脱模方向是实现模具自动设计的第一步，也是评估塑件或浇注件能否模具成型的重要因素。
Excessive air factor is an important parameter of operation status of burning process. Reasonable determination of excessive air factor has significant effect on increasing energy efficiency.
过量空气系数是燃烧过程运行情况的一个重要参数，合理确定过量空气系数对于提高能源利用率有很大意义。
Property right theory of enterprise's performance determination thinks the final decisive factor that determines enterprise's performance is whether a property right is distinct.
企业绩效决定的产权论认为企业绩效的最终决定因素是产权是否明晰。
Transmission characteristics of light beam in different media are distinctive. Difference of refractive index of air and seawater is a determination factor that affects laser transmission.
光在不同介质中的传播特性不同，大气和海水折射率的差别是影响激光传输的决定性因素。
The effects of several influential factors on the water extraction of baicalin were investigated by single factor experiment using UV-spectrometry for the determination of baicalin content.
本文采用单因素试验，运用紫外分光光度法作为黄芩苷的分析方法，对黄芩苷的水提工艺的影响因素进行了考察，并在此基础上进行正交实验，优化提取工艺参数。
The chemical content of injectio cerebral cell active factor, was determined by modern analytic determination methods, inorder to study pharmacologic work better.
通过现代分析测试手段，对脑细胞激活素进行化学成分分析，以更好地研究该药的药理作用。
"Mining above aquifer", as the main method to explore coal seams above confined aquifer, in which the determination of coal seam floor failure depth is the key factor and precondition.
带压开采是承压水上采煤的主要方法，底板采动破坏深度的确定是实现带压开采的关键和前提。
Rest on retaining the advantage of the red algorithm and introducing time relevance determination factor, this algorithm is effective to discard time-related data and reduce redundant information.
在保留主动队列管理算法RED算法优点的基础上，引入了时间相关判定因子，算法有效地丢弃时间相关的数据，减少冗余信息。
Rest on retaining the advantage of the red algorithm and introducing time relevance determination factor, this algorithm is effective to discard time-related data and reduce redundant information.
在保留主动队列管理算法RED算法优点的基础上，引入了时间相关判定因子，算法有效地丢弃时间相关的数据，减少冗余信息。
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