查询词典 explosion-proof

Using the theory of detonation, the law of conservation of mass, momentum and energy, the physical and mathematical models of gas explosion in excavation roadway were set up, on the basis of which the condition and possibility of explosion were analyzed.

应用爆炸理论和质量、动量、能量守恒定律，针对掘进巷道瓦斯爆炸建立了物理模型和数学模型，在此基础上分析了掘进巷道瓦斯爆炸的条件和可能性。

Combining with the theory of the conservation law of mass,momentum,energy and gas explosion dynamics,the attenuation law of shock wave in excavation roadway was deduced during gas explosion.

运用质量守恒、动量守恒和能量守恒定律及爆炸气体动力学理论等，对掘进巷道瓦斯爆炸冲击波的衰减规律进行研究。

Most of the buildings along the mine-chimneys, windows, doors into the rooms, indoor sports in a few seconds then escaped, escaped when the explosion easy. May 29, 1995 at 6 am, Xiuyan Manchu Autonomous County of Liaoning Province, a village Limekiln Xingzhang a four villagers were sleeping, a mine-ball along the windows into the rooms, and then the explosion caused a house fire, 4-year-old Girls, 9-year-old boy struck by lightning and his wife died.

大多数球雷沿建筑物的烟囱、窗户、门进入室内，在室内运动数秒钟便逸出，逸出时易引起爆炸。1995年5月29日早上6时许，辽宁省岫岩满族自治县石灰窑村一姓张的村民一家4口正在睡觉，一球雷沿窗户进入室内，接着发生爆炸导致房子起火燃烧，4岁的女孩、9岁的男孩和妻子遭雷击不幸身亡。

The data suggest the explosion was lop-sided, kicking the neutron star in one direction and the debris from the explosion in the other.

数据表明爆炸是单向的，中子星的反冲力在一个方向，另外来自爆炸的琐屑在另一个方向。

The main research focused on the optimal Lingnania chungii McClure CEP 's explosion process and the effect of process parameter on chemical constitutes of explosion pulp .

本研究主要探讨了粉单竹爆破制浆的工艺条件、制浆过程中化学成分的变化、粉单竹爆破浆的漂白性能的研究以及其配抄新闻纸和包装用纸的性能。

Using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium, simulate the formula of attenuation for explosion wave, which will be used to guide the design of the engineering.

二采用频谱分析方法研究了爆破产生的地震波在介质中传播的特性和基本规律，拟合出了指导工程设计与研究的地震波振速衰减经验公式。

This paper elaborated the conditions of explosion under the coal mine pithead,and then introduced the building modules of the explosion insulation motor detection system.

阐述了煤矿井下瓦斯爆炸发生的条件。介绍了隔爆电机检测系统的组成模块。分析了爆炸的特征时间，提出了精确测量与统计爆炸特征时间的解决方案

Those who say India's " population explosion ", and do not know the meaning of population explosion .

那些说印度"人口爆炸"的，根本不知道人口爆炸的含义。

Based on the conversation equations for hydrodynamics and chemical reaction dynamics, by adopting the k-e turbulent model and the EBU-Arrhenius combustion model, the SIMPLE algorithm was used to investigate numerically the methane-air premixed gas vented explosion process in the two-dimensional space of the spherical vessel with a conduit for explosion venting.

为了得到球形容器内可燃气体的泄爆强度产生机理以及燃烧火焰与压力传播的基本规律，从流体力学和化学反应动力学守恒出发，采用κ-ε湍流模型和EBU-Arrhenius燃烧模型，利用SIMPLE算法对带泄爆导管的球形容器二维空间内甲烷－空气预混气体的泄爆过程内外场进行了数值计算，获得了气体燃烧过程中火焰和压力传播特性以及气体流动特性，能够比较清晰地反映泄爆的整个过程。

Nearly two full days after the explosion in North Korea, U.S. officials, including Pentagon Spokensman Bryan Whitman cannot say for sure whether it was a nuclear explosion or not.

北韩的爆炸已经是两天前的事情了，美国官方，包括五角大楼的发言人布莱恩惠特曼表示仍然不能确定这是否是核爆炸。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。