查询词典 population explosion

Theoretical study on the nuclear fusion mechanism of deuterium clusters aroused by Coulomb explosion s with femtosecond intense laser;2. The structural pattern of HD_2~+ and the mean internuclear separations are determined using the Coulomb explosion technique.

从分子离子H3+及其氘化同位素分子离子D3+和HD2+与超薄固体膜相互作用发生库仑爆炸为基础，分析讨论了H3+，D3+和HD2+三种分子离子的形成机理，根据产物能谱分布，利用库仑爆炸技术确定了同位素分子离子HD2+的结构形式，给出具体核间距数值。

On the base of the analysis, the following standpoints are presented definitely. There is no such a so-called zone with low density near the inwall of the lining. Upon the explosion terminates, the mortar would lose characteristics of the fluid. The compression strength of the lining layer formed by explosion is higher than that of a reference block tested.

在假定材料服从Tresca屈服准则或Coulomb屈服准则的条件下，得到了圆形井筒和球形腔体最大扩张压力p〓的计算公式；衬砌材料塑性区应力σ〓、σ〓和土体塑性区的应力σ〓、σ〓的计算公式；土体弹性区的应力σ〓、σ〓和径向位移u〓的计算公式；衬砌材料与土体交界面半径R〓以及土体中弹塑性区交界面半径R〓的计算公式。

As part of a series conducted by the Defense Threat Reduction Agency, the explosion will be equivalent to more than half a kiloton or 500 tonnes of TNT, the largest conventional explosion to date.

如同国防威胁减少代理处管理的系列部分，爆炸将会是超过一半千吨或500吨的TNT，至今为止最大的常规爆炸。

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。

In this paper, contraposing to the special demand of explosion-proof, it presents a kind of comparatively ideal design scheme of fully digital explosion-proof AC motor soft starter, which has been validated through the experiments.

本文针对目前国内中压软起动器在特殊工作场所中防爆隔爆的要求，提出了一种较为理想的全数字隔爆型交流电动机软起动器的设计方案，并且通过了实验验证。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。