查询词典 rectangular formula

The main works of this paper are as follows.First, according to the three-step method, 1-D unsteady flow model in river network is introduced. A new topological structure is presented to describe and store the topology information and data in river network ,which realises the connection between GIS and the numerical program of hydraulic calculating and turns the program into a universal one .A new formula of internal boundary conditions with double-recursion algorithm is deduced, and the relationship of recursive coefficient between imaginary channel length and non-imaginary channel length is presented ,which makes sure that the model can comprise the numerical simulation of the internal boundaries such as side pipe outflow ,barrage, slice gate and drainage pump station.

主要工作如下：(1)根据三级解法建立了一维河网非恒定流模型，并提出了一种新的数据结构来描述和储存河网拓扑信息，方便了GIS平台和数值计算程序的衔接，实现了三级解法程序的通用性；从河段方程组出发，根据虚设河段法推导出了内边界条件的双追赶法公式，指明了虚设河段的追赶系数和非虚设河段追赶系数的关系，从而使模型可以模拟集中旁侧入流、堰、闸、水泵等内边界对行洪过程的影响。

Concrete formula adopted computer control sand, stone, water, cement, admixtures measurement as well as various specifications of models with a variety of processes ( centrifugation, suspended roller, plug-in, PCCP, wind-driven, core-mode vibration technology) series die, various interfaces, such as drainage pipes: level I, level I, socket type, F-type pipe jacking mode, three-stage pressure pipe vibration Process modules for the largest caliber DN3m 4m (domestic exclusive use of stress to eliminate mold, sand blasting processes), is China's only capable of producing PCCP steel cylindrical pressure tube and a variety of cement pipes, such as a full set of equipment and tooling manufacturers, who national key project ¤- Inner Mongolia Wanlian Brothers Pipeline Company Diversion Project, Jilin pipeline, dragon pipe industry, Fujian Nampo, Xi'an, Shanghai tunnel company, REN Bang Tianjin, Beijing, Hubei, China and South Africa, Zhengzhou Jinlong, Nanjing, Zhejiang Tenglong Xinjiang National Unification, Liaoyang Xiaotun so water and drainage pipes around the country supporting the project.

混凝土配方采用电脑程序控制砂、石、水、水泥、外加剂计量以及各种规格型号与各种工艺的（离心、悬辊、插入式、PCCP，风动、芯模振动工艺）系列模具，各种接口形式，如排水管：平口、企口、承插式、F型顶管模、三阶段压力管振动工艺模的最大口径为DN3m×4m（国内独家采用模具应力消除、喷砂工艺生产），是全国唯一能生产PCCP钢筒压力管以及各种水泥管等全套设备与模具的厂家，曾为国家重点工程─—内蒙古万联兄弟管道公司引水工程、吉林管道、巨龙管业、福建南浦、西安、上海遂道公司、天津任邦、北京、湖北中南、郑州金龙、南京、浙江腾龙、新疆国统、辽阳小屯等等全国各地引水与排水管工程配套。

Have been analysed by the water drainage performance on the road surface to draining off water of knowledge principle of the influent, draw the theory formula of drainage speed,draw and drain off water the impact on critical speed of infiltration coefficient on the road surface.

由渗流知识原理对排水路面的排水性能进行了分析，得出排水速度的理论公式，得出排水路面的渗水系数对临界车速的影响。

The major findings in this study can be used for the derivation of an empirical formula to estimate the flow capacity of the tunnel drainage system if further experiments are conducted for various shapes and alignments of multi-pier.

对于不同形状的多排基桩及其配置的水力试验，该试验结果仍然可用于计算隧道排水系统的排水能力，进而可总结出一条经验公式。

Because the roadbed is in the condition of stable seepage in the normal highway construction and service, the formula of level and discharge of cut, tunnel and drainage structure in condition of confined water and dive are deduced on the saturated seepage theory.

4由于在公路建设和运行中，绝大多数时间路基是处于稳定渗流的情况，根据饱和渗流理论，推导建立了在潜水和承压水条件下路堑结构、隧道结构和排水设施在稳定渗流情况下的水位和流量计算理论公式；按地下水类型、公路结构型式、排水设施型式、是否进行衬砌或支护、组合方式和布置方案构建了公路工程地下水稳定渗流模型。

Because the roadbed is in the condition of stable seepage in the normal highway construction and service, the formula of level and discharge of cut, tunnel and drainage structure in condition of confined water and dive are deduced on the saturated seepage theory. The stability groundwater seepage model of highway engineering is established according to groundwater type, highway structure pattern, drain facilities pattern, whether carried on lining or timbering, combined pattern and layout.

4由于在公路建设和运行中，绝大多数时间路基是处于稳定渗流的情况，根据饱和渗流理论，推导建立了在潜水和承压水条件下路堑结构、隧道结构和排水设施在稳定渗流情况下的水位和流量计算理论公式；按地下水类型、公路结构型式、排水设施型式、是否进行衬砌或支护、组合方式和布置方案构建了公路工程地下水稳定渗流模型。

Employing the method of complex helical drill point design,the formula of the clearance angle of inner cut edge for the socket drill is derived and the relationship between the clearance angle and the slantwise angle of the inner cut edge is deduced to innovate the design and manufacture of the socket drill.

通过复杂螺旋面钻尖设计方法导出锪窝钻钻尖内刃后角公式及内刃后角与内刃偏角的关系表达式，改进了锪窝钻的设计与制造。

According to the data from experiment, the semi-empirical formula computing pressure drop of wire packing rotating packed bed absorber in air independent propulsion system is established by regression analysis.

利用实验数据进行回归分析，得到了计算丝网填料旋转床吸收器气相压力降的半经验公式。

In order to reduce the effect of probe errors in near-field antenna measurement, the solutions are proposed as follows: On the one hand, theoretical formula of probe-compensated is derived; on the other hand, drop-shaped probe is designed and near-zone gain, far-field patterns, axial ratio, main lobe width, input impedance, voltage standing-wave ratio, electromagnetic field and current distribution of probe are obtained through the computer simulation.

针对近场测量中的重要误差源之一&探头&的影响，本文提出解决方法：一方面用探头补偿的方法，根据洛仑兹互易定理和微波网络理论对补偿的解析式进行详细推导；另一方面用两种不同的仿真软件求解终端开口矩形波导探头的近场增益、远场方向图、轴比、主瓣宽度、输入阻抗、电压驻波比、电场分布、磁场分布、表面电流分布等特性参数，可实现探头增益的修正。

The testing result shows that there is a difference actual seed dropping angle and the one acquired by calculation, therefore, a formula for the calculation of seed dropping angle even closely suited to production practice has been driven out and a theoretical basis for the application of 2BQM-2 model plastic film mulch pneumatic precision planter in practical production is advanced in this paper.

通过试验结果分析，找出种子的实际的落种角度和计算的落种角度之间的差别，推导出更适合实际生产中所需要的落种角度，为2BQM-2型气吸式精量铺膜播种机在实际生产中的应用提供了一定的理论基础。

Summary In copyright infringement cases,if the alleged infringer uses or even plagiarizes the copyrighted works or parts thereof,which causes no substantially adverse effect on the normal exploitation of the work,nor does it inflict any substantial damages to the right owner,the de minis doctrine should be applied to exempt the liabilities of the defendant and seek the balance of interests between the right owner and the general public embodied by the copyright law.

在侵犯著作权案件中，如果被控侵权行为人虽未经著作权人的同意，使用甚至抄袭了受著作权保护的作品或作品的片段，但若情节轻微，未对该作品的正常使用产生任何实质不利的影响，亦未对权利人的权利造成实质性的损害，则应适用&不计琐细原则&，免除行为人的责任，以寻求在权利人利益与著作权法所体现的社会公共利益之间的平衡。

This new product will become our best seller.

这个新产品会成为我们最畅销的产品。