查询词典 summation formula

A new formula for the valence band effective states is obtained,and the effect of the conduction band effective states on the built-in electric field is considered for the first time.

重新拟合了价带有效态密度公式，并在计算内建电场时考虑了导带有效态密度的影响。

According to the mechanical analysis of the umbrella-shaped anchor, it is pointed out that the bearing capacity depends on the weight of soil pole wrapped by the anchor head and the shear strength along the interface of soil pole. Therefore the ultimate bearing capacity estimation formula of the umbrella-shaped anchor can be presented, which establishes the foundation for the engineering application of umbrella-shaped anchors.

通过对其受力机理的研究，指出伞状锚主要依靠锚头兜住的土体重量以及兜住土体与未兜住土体之间的抗剪强度来提供抗拔力，并据此提出伞状锚的极限承载力特征值估算公式，为伞状锚的工程应用奠定了基础。

Take the common platoon quadrat in the formula most typical enemy two-row as the example analysis plate two-dimensional platoon type whole optimization question, unifies Yu Liao the use, establishes reasonable mathematical model which the two-dimensional platoon type whole optimizes.

以常见排样方式中最典型的对头双排为例分析板材2维排样的整体优化问题，结合余料的利用，建立2维排样整体优化的合理数学模型。

Take the common platoon quadrat in the formula most typical enemy two-row as the example analysis plate two-dimensional platoon type whole optimization question, unifies Yu Liao the use, establishes reasonable mathematical model which the two-dimensional platoon type whole optimizes.

以常见排样方式中最典型的对头双排为例分析板材二维排样的整体优化问题，结合余料的利用，建立二维排样整体优化的合理数学模型。

3 By dose alkali in a two-pass RO system ; the formula can be used as a reference for design and debugging of the system to calculate the added alkali in two-pass RO .

本文根据水中碳酸平衡原理分析了反渗透系统产水pH值的变化，得出pH值下降量等于系统对HCO3-透过率的负对数的结果，并导出了在两级反渗透系统中加碱调节pH值至8。

This paper introduces the basic method of measuring motor-vehicle forward vision field by means of three-coordinate measuring machine and derives the calculating formula of A-pillar obstacle angle of two-eyes visibility and summarizes the procedure of measuring visual field .

介绍用三坐标测量机检测汽车前方视野的基本方法，推导A柱双目障碍角的计算公式，并对视野检测过程进行了综述。

Third, put the following health-care formula mineral ores and health care raw materials into the vacuum tube, including: medical stone, wooden fish stone, tourmaline, sepiolite, zeolite, stalactites, Bian-stone, zinc ore, pearl, turtle shell, shell, jade powder and calcium carbonate, mineral ingredients according to a specific percentage, around 50 degrees under the leaching of water, biological activity, the local water quality, food structure, and family health status, health purposes and so on, using software to calculate nutritional supplements to determine, in principle, require many varieties with , multi-mine ore spot to take in order to eliminate batch variation, in which medical stone and the wooden fish accounted for over 50% of stone, turtle shell + pearl + jade powder dosage less than 1%, other appropriate compatibility require the use of the total mineral in the human level for more than 10 kg .

三是在真空管放入如下保健配方矿石和保健矿物质原料，其中有：麦饭石、木鱼石、托玛琳、海泡石、沸石、钟乳石、砭石、锌矿石、珍珠、龟板、贝壳、玉石粉和碳酸钙，具体比例按矿石成分含量、50度左右热水下溶出量、生物活性、当地水质、食物结构、家庭健康状况、保健目的等用营养配方软件计算确定，原则要求多品种搭配，多矿点取矿以消除批次变异，其中麦饭石和木鱼石占50%以上，龟板+珍珠+玉石粉用量不到1%，其它适当配伍，要求矿石使用总量在人平10公斤以上。

Had devised a formula to compute the ratio of domestic to pure-strain wild turkey in an individual bird by comparing the angle of flight at takeoff and the rate of acceleration.

有个鸟类学家设计了一种计算公式，对家养火鸡和纯种野火鸡进行起飞角度和加速度的比较。

First, we introduce the principle of feeder protective apparatus and select adequate protective equipments in accordance with different types of distribution system, using the least square error method to simulate the time/current curve and applicate simulation formula to digital the curve data, Secondary, using augmented incidence matrix method to find the exact pairs of primary/backup protection relay and find the relay tripping sequence of distribution lines.

首先介绍线路之过电流保护设备动作原理，依不同之配电系统型态来选用适当之保护设备种类，并使用最小平方误差法模拟保护电驿之时间－电流特性曲线，应用模拟方程式将曲线之资料数位化，且藉由图形理论中之增广关联矩阵法求取正确之主保护与后卫保护电驿对，以找出系统中各配电线路保护电驿间之跳脱顺序关系。

This paper establishes the contour surface equations and pressure angle formula of the conical grooved cam with translating conical roller follower.

建立了圆锥滚子直动从动件圆锥槽凸轮的廓面方程和压力角公式。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。