查询词典 explosion-proof

Impact of population growth on resources environment: population explosion's pressure to land resource, population growth's pressure to biological resources, population explosion's pressure to water resources, population inflation's pressure to energy.

人口增长对资源环境的影响：人口爆炸对土地资源的压力，人口增长对生物资源的压力，人口爆炸对水资源的压力，人口膨胀对能源的压力

On the basis of the test results of a full scale hot state explosion test a calculation and analysis was conducted of the explosion pressure of the following: square box test parts, nodular cast iron boiler, grey cast iron boiler and grey cast iron boiler plates.

基于一次大规模热态爆破试验的结果，分别对方箱试件、球墨铸铁锅炉的爆破压力、灰口铸铁锅炉和灰口铸铁锅片的爆破压力进行了计算和分析，得出安全系数选取的推荐值。

In a "knowledge explosion" era is bound to happen "the term explosion" and therefore needed to practice the term theory in terms of guidance.

在"知识爆炸"的时代，必然会发生"术语爆炸"，因而需要术语理论对术语实践活动的指导。

6722 Uranium deposit and the geological effects of underground nuclear explosion , the explosion equivalent of TNT for cryptoexplosive breccia of No.

对产出在花岗岩基底中的6722铀矿床长英质隐爆碎屑岩地质构造特征进行了研究，并与我国在相似地质条件下进行的地下核爆炸试验产生的地质效应作了对比，类比计算出形成该隐爆碎屑岩体的爆炸能量。

In accordance with the relevant provisions of the Administrative Supervision Law of the People's Republic of China, the Work Safety Law of the People's Republic of China and the Regulations on the Reporting, investigation and Handling of the Accidents Disrupting Production Safety, the Ministry of Supervision has, by earnestly fulfilling its administrative supervision functions and responsibilities, joined relevant departments in seriously closing the cases of the 5 major accidents which are: an extremely serious road traffic black powder explosion in Shangrao, Jiangxi Province on March 17, 2005, an extremely serious fire accident in Nanshan Coalmine in Lingshi County of Jinzhong City of Shanxi Province on November 12, 2006, an extremely serious steel ladle capsizal accident at Qinghe Special Steel Co. Ltd. in Tieling City of Liaoning Province on April 18, 2007, a major methane explosion accident at Pudeng Coalmine in Linfen City of Shanxi Province on May 5, and an extremely serious bridge collapsing accident over Dixituo River in Fenghuang County of Hunan Povince.

根据《中华人民共和国行政监察法》、《中华人民共和国安全生产法》、国务院《生产安全事故报告和调查处理条例》等法律法规的规定，监察部认真履行行政监察职责，会同有关部门严肃查处了江西上饶"3.17"道路交通黑火药爆炸特别重大事故、山西省晋中市灵石县南山煤矿"11.12"特别重大火灾事故、辽宁省铁岭市清河特殊钢有限公司"4.18"钢水包倾覆特别重大事故、山西省临汾市蒲邓煤矿"5.5"重大瓦斯爆炸事故、湖南省凤凰县堤溪沱江大桥"8.13"特别重大坍塌事故等5起事故。

Applying the method to the study on the origin of Tunguska explosion and making the following conclusions:(1) these excess elements were likely resulted from the Tunguska Cosmic Body explosion of 1908.(2) The Tunguska explosive body was composed of materials similar to Cl chondrite, and, most probably, a cometary object, which weighed more than 10〓 tons and had a radius of more than 126m.

将通古斯地区沉积物样品中PGE和其他微量元素的结果应用于通古斯爆炸的成因研究中，得出了如下结论：(1)Pd、Os、REE、Sr、Co和Ni等元素的异常是由于通古斯爆炸事件导致地外物质的增加所引起的；(2)通古斯爆炸物体可能与碳质球粒陨石成分类似，很可能是慧星，其质量大于10〓吨，半经大于126米。

The main conclusions and results are detailed below:(1) The factors affecting explosion limits such as temperature, pressure, explosion vessel size, spark ignition energy, inert gas etc, are analyzed according to the theory of chemical reaction dynamics, combustion and engineering thermodynamics.

主要工作如下：(1)根据化学反应动力学、燃烧学和工程热力学的基础理论，从本质上定性的分析了爆炸极限的影响因素，包括温度、压力、爆炸容器的大小、点火能量大小以及惰性气体等，得出了这些影响因素对爆炸极限的影响规律。

Theoretical Part: Through theoretical analysis of chemothermodynamics, combustion and engineering thermodynamics, factors that affect explosion limit were determined, which include temperature, pressure, spark ignition energy, electrode shape, direction of flame propagation and size of explosion vessel.

理论部分：根据化学热力学、燃烧学和工程热力学的基础理论，从本质上定性地分析了爆炸极限的影响因素，包括温度、压力、爆炸容器的大小、点火能量大小、以及火焰传播方向等，得出了这些影响因素对爆炸极限的影响规律，以确保实验有完整的理论基础指导；在此基础上本文提出了一种新的推算在常温常压下可燃性纯质和混合工质制冷剂爆炸极限浓度的理论方法，该方法由可燃性气体的化学组成来推算上下限浓度，不需要其它条件；对混合工质制冷剂，只要再知道混合配比，即可以推算出爆炸极限，使预测爆炸极限的工作更简单、方便。

This paper measured the constitutive relation of soil in the condition of the low stain-rate by Split Hopkinson Press Bar technology. It offers the reference for study in high stain-rate in the future. And simulated the explosion between soil and concrete by finite element dynamic analysis software LS-DYNA3D. Finished the numerical simulation for power of exploding between soil and concrete in different position of detonator and different scale model. Set out the curves of displacement, velocity, acceleration and pressure of different position. Obtained the destructibility of concrete target in different explosion condition. It offers data reference for theory studying and engineering designing.

本文首先利用分离式Hopkinson压杆实验技术测定了土在低应变率下的本构关系，为以后进行较高应变率下的研究提供了参考；后面着重利用三维显式非线性有限元动力分析软件LS-DYNA3D对土壤混凝土介质中的爆炸进行了数值模拟，采用土壤混凝土分层介质模型，完成了不同装药位置、不同缩比模型的混凝土模型中爆炸威力的数值模拟，测定了不同情况下的压力曲线及典型位置的质点位移、速度、加速度和压力，得出了混凝土靶在各种不同爆炸条件下的破坏情况，为理论研究和工程设计提供了数据参考。

To successfully confine explosion by explosion confinementvessels,vibration isolation technique is important to design the end plate.

为获得良好的密封效果，在设计封头结构时采用隔振技术具有重要作用。

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。