cross-section相关论文
目的了解西藏自治区昌都市学龄前儿童的屈光状态特点及影响因素。方法横断面研究。于2020年7至10月调查西藏自治区昌都市区所有在......
We analyze the dephasing effects on the backscattering behavior of the helical surface states.We show that dephasing......
ANALYSES OF THE DYNAMIC EFFECTS ON WINTER CIRCULATION OF THE TWO MAIN MOUNTAINS IN THE NORTHERN HEMI
A linear,hemispheric and stationary spectral model with multilayers in the vertical was employed to simulate thevertical......
讨论了顶色辅助的多标度人工色理论预言的赝标哥尔斯通玻色子（ｔｅｃｈｎｉｐｉｏｎｓ，ｔｏｐ－ｐｉｏｎｓ）对稀有过程ｅ＾＋ｅ＾－→ｂ＾－ｓ的单圈效应，计算了该过程在ＬＥＰⅡ上的产生截面，得到较标准模型......
One of the first physics results that CMS will hopefully obtain will be the analysis of heavy quarkonium productions, in......
Awareness intervention for Beijing neurologists regarding secondary prevention of cerebral infarctio
BACKGROUND: Stroke prevention guidelines should be made available to neurologists for clinical application to aid in uni......
目的 调查研究社区50岁以上老年人群中饮茶习惯与痴呆和轻度认知功能障碍(MCI)的相关性.方法 采用横断面调查,对≥50岁的社区居民......
近年来,关于Hilbert空间和Banach空间上的基理论以及算子理论发展的非常迅速,越来越多的科研工作者加入到这些问题的研究中.在此,......
Tunnel deformation monitoring is a crucial task to evaluate tunnel stability during the metro operation period.Terrestri......
An orthogonal 2D training image is constructed from the geological analysis results of well logs and sedimentary facies;......
The residual strength capacity of ship hull with full corrosion appearance in every structural member has been considere......
We investigate how the barb of bird feathers is changed along both the rachis and barb.To investigate the microstruc-tur......
采用浸没沉淀相转化法制备PVDF中空纤维膜,考察膜丝在固化过程中不同纺丝条件如干程的设定、拉伸速度、芯液和外凝胶浴的组成对膜......
,Measurement of 232Th(n,2n)231Th reaction cross-sections at neutron energies of 14.1 MeV and 14.8 Me
In this study, the activation cross-sections were measured for 232Th(n,2n)231Th reactions at neutron ener-gies of 14.1 a......
Cross-sections of the (n,2n) reactions for neody-mium (Nd) isotopes induced by 14 MeV neutrons were measured in this wor......
Target ionization accompanied with projectile electron loss is investigated for 0.2-7 MeV Cq+ (q = 1-4) with He and 0.25......
This paper reports that the ratios of double to single electron loss cross-section (R) of O2+ in collision with Ar and H......
,Single event upset on static random access memory devices due to spallation, reactor, and monoenerg
This paper presents new neutron-induced single event upset (SEU) data on the SRAM devices with the technology nodes from......
本文通过对荣华二采区10...
Application of BIB polishing technology in cross-section preparation of porous, layered and powder m
For the accuracy of experimental results,preparing a high quality polished surface and cross-section of the materials fo......
应用非线性规划法对铁塔进行形状优化，给出了铁塔在多工况、多约束条件下形状优化的一种分层算法。第一层固定节点坐标进行截面优化......
[目的]探讨不同岗位脑力工作者职业紧张情况及其影响因素,作为制定干预措施的依据. [方法]采用分层整群随机抽样方法抽取3200名脑......
目的 利用CBCT测量分析成人下颌体横截面的相关形态学指征,比较骨性Ⅲ类和骨性Ⅰ类下颌体横截面的相关指标的差异.方法 选取青岛市......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Cross-section measurement for Ni(n,x)58(m+g)Co,Ni(n,x)60mCo,Ni(n,x)61Co and Ni(n,x)62mCo reactions i
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
随着国家经济水平的不断提高,电网的用电负荷不断增加,同时用户对供电可靠性的要求也越来越高,DL 755—2001《电力系统安全稳定导......
目的 了解我国类风湿关节炎(RA)我国患者工作能力障碍的情况,并分析其影响因素.方法 采用流行病学现况调查的研究方法,调查全国21......
目的 了解社区老年人口腔健康认知行为现状及影响因素.方法 采用横断研究设计,以分层整群抽样方法,抽取济宁市各区1026名65岁以上......
Composition-dependent optical transitions and 2.0 μm emission properties of Ho3+ in xGeO2-(80-x)TeO2
Ho3+ doped glasses with various compositions xGeO2-(80-x)TeO2-9.5ZnF2-10NaF-0.5Ho2O3 (x=0,10,20,30,40,50,60,70 and 80) w......
目的:调查贵州省苗族、布依族、水族三个主体少数民族儿童以及汉族儿童的神经精神发育现状,为贵州各民族儿童心理健康发展提供科学......
Cross-section measurement for Ni(n,x)58(m+g)Co,Ni(n,x)60mCo,Ni(n,x)61Co and Ni(n,x)62mCo reactions i
The cross sections of Ni(n,x)58(m+g)CO,Ni(n,x)80mCo,Ni(n,x)61Co and Ni(n,x)62mCo reactions induced by neutrons around [1......
The BEPCⅡLuminosity Monitor(BLM)monitors relative luminosity per bunch.The counting rates of gamma photons,which are pr......
Polycrystalline silicon thin films were prepared by RTCVD (rapid thermal chemical vapor deposition) method on several su......
Study of the Bearing Capacity at the Variable Cross-Section of A Riser- Surface Casing Composite Pil
Reducing the cost of offshore platform construction is an urgent issue for marginal oilfield development.The offshore oi......
One of the first physics results that CMS will hopefully obtain will be the analysis of heavy quarkonium productions, in......
为研究断面形变对内镶贴片式滴灌带局部水头损失的影响,选取6种不同壁厚滴灌带,通过试验查明滴灌带断面形状与壁厚及压力的关系,据......
目的 了解我国农村0～6岁儿童的忽视状况.方法 采用多阶段分层整群随机抽样方法,于2010年11月在全国共抽取10个省(直辖市)中84个乡......
目的 了解中国西部地区农村留守与非留守儿童忽视现状及影响因素.方法 采用“中国农村儿童忽视评价常模”中制定的量表和评价方法......
目的 了解重庆市大学生自杀意念的报告率及其危险因素.方法 采用自制量表在重庆市随机抽取的11所大学中调查9808名大学生,了解自杀......
详细介绍了小截面直通道一次码烧长干燥焙烧隧道窑的结构特点及优点。...
目的评估产后女性的认知功能,并分析其认知功能受损的特点,以及分析可能的影响因素。方法病例组选取健康单胎足月顺产初产妇、二胎......
Cross-sections of the(n,2n) reactions for neodymium(Nd) isotopes induced by 14 MeV neutrons were measured in this work b......
一个方法到获得 1 弄弯的交流的 1 条 retional 曲线被给的 reparametrizeG。practicalG 1 不断在沿着普通 guadratic 的邻近的 NU......
The present paper deals with the method for the radar cross-section (RCS)computations of arbitrarily complicated target......
AIM:To determine the prevalence of celiac disease in a randomly selected population sample. METHODS:A total of 2157 subj......
本文采用三种不同几何形态的聚丙烯纤维,研究了在不同体积分数情况下纤维对水泥砂浆塑性干缩开裂性能的影响.结果表明,除聚丙烯纤......
以某轨道车辆车体端梁为研究对象，用ABAQUS模拟软件进行成形数值模拟，结果表明：铝合金拉弯成形过程中存在截面畸变和轮廓精度差的问题......
道路横断面纽成及类型；行车道、路肩、人行道的宽度和横坡度；中间带、路侧带的设置；平曲线加宽、超高的原因和计算方法；爬坡车道与避险......
本文以开发区道路横断面设置为例,着重探讨了双幅路在开发区道路设计中的适用条件,并给出了具体布置方案,为其提供工程实践技术支......
