生产的因素

The main danger and harmful factors existing during the production of acetylene were introduced.

介绍了乙炔生产过程中电石及乙炔的主要危险和有害因素，分析了发生的事故案例，并提出了预防措施。

The principle, method and tool to determine the fluidity of thermoplastics using Archimedean spiral method are introduced.

主要介绍阿基米德螺旋线法测定热塑性塑料流动性能的原理、测定方法和工具，对注射成型系数的影响因素进行了探讨，可供指导生产实践参考。

To the problem of the head down bending of plate, the influence laws of process parameters, such as the thickness of piece, rolling temperature, ratio of upper and lower roll rotate speed and reduction, on the head -bending direction and degree are found out by test and artificial neural network analysis.

针对中厚板轧制中头部弯曲问题，通过试验模拟及人工神经网络分析，找出了轧件厚度、轧制温度、上下辊速比、变形率等生产因素与钢板头部弯曲方向和弯曲程度的关系，从而可有效地控制钢板头部弯曲。

At last, the thesis sums up the total policy to protect food security from social and economic system in rural area-, product factor and external factor.

论文最后分别从农村社会经济制度、生产要素和外生性因素等三个层面归纳总结了保障我国粮食安全的&一揽子&政策选择。

Due to the adjustment of the production structure and the change in the flow of coal, grain and other large sums of cargo, the total volume of freight transportation declined to some extent.

交通运输业，受生产结构调整和煤炭、粮食等大宗货物地区流量变化等因素的影响，货运量有所下降。

Precipitation behavior of Na2CO3 and Na2SO4 in the evaporation process of sodium aluminate solutions and its influencing factors were respectively investigated.

摘 要：以氧化铝生产中种分母液为对象，研究铝酸钠溶液蒸发过程中碳酸钠和硫酸钠等杂质盐的析出行为及其影响因素。

The rice acreage in northern rice-planting regions,especially in northeastern regions of China,grows steadily year by year,and the occurrence of and damage by rice insect pests have gradually increased with global warming and changes in cropping systems.

北方稻区，特别是东北早熟单季稻稻区，水稻种植面积逐年扩大，随着全球气候变暖和耕作栽培制度等因素的变化，其水稻害虫发生面积和危害程度逐渐增大，对北方优质水稻生产构成了较大影响。

Research and development staff are provided with on-line guidance for basic univariate and bivariate statistics, analysis of variance, analysis of covariance, and regression analysis, as well as graphical tools for producing scatter plots, histograms, and box-and-whisker plots.

研究和开发人员被提供了在线的基本单因素和二元统计、方差分析、协方差分析和回归分析以及图形化工具生产散点图，直方图，以及箱线图。

This is current many medium or small oily factory produces cost tall, oil yield is low, a economic benefits is poor main factor.

这是目前不少中小型油厂生产成本高、出油率低，经济效益差的一个重要因素。

Introduced a modified acrylic epoxy resin synthesis and production process to discuss a variety of factors.

介绍了环氧改性丙烯酸树脂的合成及生产工艺过程，讨论了多种影响因素。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。