There is a graphite stack in it to reflect neutrons and to return them in active zone of reaction. 它有一个石墨块,以反映中子,并返回它们的反应活性区。
The shallow drawing soil landslide, cracking and looseness of expansive soil embankment with mild-slope ratio result from water swelling, shrinkage and cracking of soil mass in atmosphere active zone. 大气活动带范围内土体的吸水膨胀、失水收缩是缓坡率膨胀土边坡出现开裂松散,产生浅层牵引式滑坍的主要原因;
Achieving the necessary form was no easy matter, especially since Beijing is in an active seismic zone. 实现这种必要的构造并非易事,尤其因为北京正处于地震活跃带。
Neotectonic movement is active, since the epipleistocene active fault zone has had24 to be many, the predominant direction of fault zone by NW and NWW to primarily. 新构造运动活跃,晚更新世以来的活动断裂带就有24条之多,断裂带展布的上风方向以NW及NWW向为主。
Secondly, the active zone and inactive zone of microbe is selected in the article, the two-phase model is established which considered the micro and macro growth phenomena all. 然后,文章引入了活性段与非活性段的概念,将微生物生长的微观现象与宏观现象结合,建立了界面上米根霉生长的动力学模型&两相模型。
The incomplete beach and reef flat is situated on the active zone of coastal process. 珊瑚礁海岸发育不完全的海滩和平缓的礁坪都处于海岸作用最活跃的位置。
Results Microwave radiation of 30 mW/ cm2 caused deposits of synapse vesicle, elongation of active zone, the increase of thickness of postsynaptic density ( PSD) and curvature, and perforation of synapse. 结果30mW/cm2微波辐射可引起海马突触囊泡堆积、活性区延长、突触后致密物增加、突触穿孔以及突触曲率增加。
The results showed that some advantages, such as the larger active zone by corona discharge, higher rate of streamer repetition and NO oxidation efficiency, could be obtained with increasing the number of nozzles from four to fourteen. 结果表明,随着电极喷嘴数的增加,总电晕区域变大,流光的脉动重复率增加,NO的氧化率提高。
The Analysis of Electric Field in Plasma Active Zone in Optical Fiber PCVD Process 光纤PCVD工艺等离子体有源区场的分析
Objective To screen and identify genetic loci affecting the active zone formation in C. 目的筛选与鉴定线虫中影响神经突触活动区形成的遗传位点。
An approach to Mesozoic strike-slip active zone in Lower Yangzi Region 下扬子区中生代走滑活动带初析
Neurotransmitter release during synaptic transmission is mediated by presynaptic active zone. 在突触前,神经递质释放是由活动区结构所介导的。
Wunan gold deposit is located in the active zone of northern margin of Tarimu plate, which concretely exist in the structure unit of triphibian edge in the late Paleozoic in southern Tianshan. 梧南金矿床位于塔里木陆块北缘活动带,属南天山晚古生代陆缘构造单元。
Bring forward the creative idea of "Active zone", the project designs both formal and informal communion spaces. 该项目的规划创造性的提出“动感活力地带”概念,设计了正式、非正式两条流线。
Multiple protein components at the active zone region interact and coordinate with each other to control and regulate docking, priming and fusion of the synaptic vesicles with presynaptic membrane, and to further maintain the normal transmitter release process. 活动区内多种蛋白组分相互作用与相互协同而严格调控突触囊泡在突触前膜的入坞、触发与膜融合等过程,以保证正常递质释放过程的完成。
Multi-phase active zone of deep major fault and rift valley; 深、大断裂与裂谷多期次活动带;
Depth of Active Zone of Expansive Clay Slope 膨胀土地区边坡活动带深度确定的吸力法
Seismotectonic setting of the seismically active zone of moderate earthquakes along the Huaihe River valley 淮河流域中强震活动区的地震构造背景
Xining basin lies in new structural active zone, in which some shallow crustal historical earthquakes occurred. 西宁盆地及周缘处于新构造运动活跃地带,历史上该区曾发生过多次浅层地震(其中几次具有较大的破坏性)。
Analysis of the interchange between active zone and passive zone during pit excavation 基坑开挖中主、被动区互换问题的分析
Groundwater mercury content in Urumqi seismic active zone 乌鲁木齐地震活动区的地下水汞测量
SW Margin of the Yangtze Block, belonged to South part of the South China Plate, spans two geotectonic units of Yangtze Landmass and South China active zone. 扬子地块西南缘,属华南板块南部,跨扬子陆块和南华活动带两个大地构造单元。
The results showed that background zone had the highest activities of soil enzymes and the greatest amount of soil microorganisms, followed by buffer zone and active zone. 结果表明:土壤酶和土壤微生物的分布特征呈现背景区最高,活动区最低,缓冲区居中的变化规律;
The downfaulted zone is an active fault zone, a fault basin zone and a seismic active zone, and it formed an active margin between fault blocks. 断陷带是一个断裂活动带,断陷盆地带,地震活动带,并由此构成断块之间的活动性边缘。
( 2) With the increase of unloading, instantaneous strain and three periods in creep strain, namely damp creep, equal velocity creep and acceleration creep, occured both in active zone and in passive zone. 不论是被动区土的卸荷蠕变还是主动区土的卸荷蠕变,都随着卸荷水平的增大而出现瞬时变形和蠕变的三个阶段(衰减蠕变,等速蠕变和加速蠕变)。
Estuary is also the most active zone in which various processes interactions between the atmosphere, hydrosphere, lithosphere and biosphere, is also a regional in which material, energy and information exchange directly in frequency and intensity. 河口区又是大气圈、水圈、岩石圈和生物圈之间多种过程相互作用最活跃的地带,也是各圈层之间直接进行物质、能量、信息交换频繁和集中的区域。