In addition, the ascensional ventilation system has the "gas-valve" effect at the intersecting place of the ramp and the working-face increases the danger of spontaneous ignition, which the descentional ventilation system does not have.

The ascensional velocity of maximum blast pressure of mixture will rise due to the existence of gas, but maximum blast pressure is almost unchangeable.

混合物的最大爆炸压力上升速度由于瓦斯的存在而增强，而最大爆炸压力几乎没有变化。

The horizontal tail wing of the wing-in-ground effect craft has the advantages of great ascensional force, small area and low production cost.

这种地效翼船水平尾翼，升力大、面积小、生产成本低。

Based on the analysis of the program, this paper identifies the program environmental impact assessment and ascertains the main problems and other restrictive factors of the programming region.

在对广西沿海工业规划进行规划分析基础上对此规划进行规划环境影响识别，确定规划区域的主要环境问题及其制约因素。在零规划方案下，主要指标预测结果综合指数排序为北海>防城>钦州。

This paper firstly ascertains the value of music education given to pre-school children with a view to encouraging teachers to attach enough importance to children music education.

本文首先对幼儿音乐教育的价值理性进行了发掘，旨在使广大教师对幼儿音乐教育的重要性予以足够的重视；

Ascertains velocity distribution by theoretical analyses, and calculates effective limits of air-flow based on the analysis results. The results accord with experiment data fairly.

用理论分析确定速度分布，并在其基础上计算有效作用范围，结果均与实验数据吻合得较好。

Hong Lei added that before the investigation ascertains what really happened, all sides should avoid prejudging the outcome.

同时，洪磊指出，在查明事实真相前，各方均应避免预断调查结果。

Ascertains actual pitch value of six citation tones by methods of experimental phonetics, and explains differences of the tonal pattern.

通过实验语音学的方法确定了华阳话单字调的实际调值，并对其声调格局中存在的分歧做了解释。

It ascertains the section-block sedimentary facies type according to the analysis data from the core wells and the result interpretation by experts.

根据取心井分析资料和专家解释结果确定区块沉积微相类型；

At first, this thesis ascertains the problem and principle of the rural land circulation, then through analyzing the problem puts forward some countermeasures.

首先认识农用土地流转中存在的问题及其应坚持的原则，通过对现阶段农用土地流转中存在的问题及原因的分析提出促进农用土地流转的对策建议。

Based on the aforesaid, the author defines the meaning of crime object element and ascertains its status in crime constitution.

在此基础上，界定了犯罪客体要件的涵义、实质内容，论述了犯罪客体要件的构成要件地位。

The law ascertains the subject of the limitation of liability bases on the risk and interest of vessels' management and operation.

法律确定责任限制主体的依据是基于他们在船舶管理和经营上的风险利益。

Finds out mapping relations and ascertains conversion arithmetic between RDB and XPDL;

研究了XPDL规范；进而找出RDB和XPDL之间的映射关系并且确定转换算法；

Direct measurement of seismic attenuation ascertains that fluid motion is a primary mechanism in porous, permeable elastics.

地震波衰减机制和测量方法研究表明，在孔隙和渗透性碎屑岩中，流体运动是衰减的主要机制。

The division between discovery and establishment ascertains the basic theoretical elements such as the goal and scope of legal argumentation.

通过这种区分，法律论证的范围和目标等基本理论要素大体上就确定下来。

Chapter one ascertains the narration and expression of apparel code, and concludes the specific feature of apparel code.

在第一章我会对当代中国青年服饰符码的陈述与表达进行梳理，并对具体特点给予概括；

Finally, this paper puts forward to measures to prevent risk, whereby ascertains the negotiation technique of strategy league.

最后，提出了其风险防范措施，从而确定出了该公司战略联盟谈判技巧。

It is put forward that using practical oil production information ascertains the important parameter namely well pattern index in Xierkaqiaove formula.

本文一方面结合油田实际生产资料确定了谢尔卡乔夫公式中的关键参数，井网指数。

Conceptual design is a process that ascertains functional solutions and the creative activities for product innovation are accomplished in this process.

概念设计是确定功能原理解的过程，创新设计主要在这个阶段完成。

The paper ascertains signification of enhancing the level of water resources management for reducing the contradiction of water supply and demand.

本文阐述了加强水资源管理和提高管理水平对缓解水资源供需矛盾的意义。

This experimental subject ascertains that the optimum ultrasound intensity is 0.225W/cm2.

本课题实验确定最佳超声声强为0.225W/cm2。