In this paper, the mechanical model of positive-negative formation for revolving shell is analyzed, the classification method is given according to the stress yield criterion. The strain yield condition of shell formation is proposed, the stain locus method solving the limit forming coefficient is given. The shell formation of free push sinking is analyzed, sinking stress calculated, and the formula calculating the limit push sinking coefficient given. The relation between the equivalent strain and the Lode's stress parameter β is deduced, the function between β and the geometric parameters after sinking is given. The formula calculating the limit compound bulging coefficient is deduced, the idea of matching force parameter is advanced, and the ratio of longitudinal strain to latitudinal strain is determined. The mechanism of compound bulging small latitudinal corner is studied, the stress equilibrium equation is derived, and the matching condition of bulging force parameter is given. The compound technology of shell sinking-bulging (positive-negative forming) is analyzed, the stress equilibrium equation deduced, and the formula calculating the stress field given.
本文分析了回转壳体正负成形的力学模型，基于应力屈服条件对回转壳体的变形进行了分类；提出了壳体变形的应变屈服条件，给出了极限成形应变的应变轨迹解法；分析了壳体自由推压缩径变形，求解了缩径应力，给出了极限推压缩径成形系数的求解公式；推导出壳体缩径时等效应变与Lode应力参数β的关系式，给出了缩径后的几何参数与β的关系表达式；推导出壳体复合胀形极限成形应变的解析公式，提出了胀形力参量的匹配构想，确定了经向应变与纬向应变的比值范围；研究了纬向小圆角复合胀形的机理，推导出小圆角处的应力平衡方程，给出了胀形力参量的匹配条件；分析了回转壳体复合缩径—胀形工艺，推导出变形区的应力平衡方程，给出了应力场的求解公式。
Results showed that the adsorption capacity for aromatic sulfonic acid increased with the increasing of temperature except for DNS acid, and increasing values of salinity had a negative influence on adsorption equilibrium.
实验结果表明：（1）温度高有利于D301树脂对2-萘磺酸等强酸性物质的吸附，而对弱酸DNS的吸附则表现出完全相反的趋势；（2）酸性条件有利于树脂的吸附；（3）由于无机阴离子同芳香磺酸阴离子间的竞争吸附，无机盐的加入降低了树脂对2-萘磺酸的吸附量，但D30l树脂对DNS酸的吸附是一个复合作用机理且以物理吸附为主，因而盐度对其的吸附性能基本没有影响。
Instead, the institution making a bad economy does not exist a stable equilibrium point; makes the balance of per capita output growth rate and long-term balance between economic growth rate of negative growth, which could explain an affluent country can become poor situation, namely the reversal of theisntituion.
反之，不好的制度使得经济中不存在稳定的均衡点；使得人均平衡产出增长率和长期平衡经济增长率出现负增长，从而可以解释一个富裕的国家亦可以变穷现象，即制度的逆转。
The method is that the positive and negative of the DC bus through the balance bridge and the non-equilibrium bridge connect to the ground, thus the whole voltage were imposed directly on current system by all of these bridges, according to Ohm's law, used to collect the voltage of the positive and negative bus and the two resistance values of the bridge, to establish a Equations, then get the value of the grounding resistance; At the same time, in every slip on the power supply devices has a Hall current sensor, so that all the wire of the positive and negative slip through the Hall sensor, respectively, according to the leakage current which the sensors detect, can determine the slip fault, and in accordance with Sensors detected the leakage current value and acquisition value to the bus voltage, we can calculate grounding resistance value of the slip.
该方法是将直流母线的正、负两极通过平衡电桥和非平衡电桥的两个电阻接地，从而将直流系统的总电压分别完全施加于这两对电桥上，根据欧姆定律，利用采集到的正、负母线电压和电桥的两个电阻值建立一个二元一次方程组，从而得到母线接地电阻；同时，在每一个供电支路上都装置一个霍尔电流传感器，让所有支路的正负电缆分别穿过霍尔传感器，根据传感器对漏电流的检测，来判断支路接地故障点，并根据传感器检测到的漏电流值和采集到的母线电压值，便可以计算出供电支路的接地电阻值。
Nickel of industrial equilibrium catalyst had less negative effect than that of lab contaminated catalyst.
镍的毒性表现为强烈的催化脱氢作用，它使裂化反应选择性变差，但工业平衡剂中镍对催化剂选择性的影响小于实验室污染剂。
Calculation results show that the cycle length of equilibrium cycle core reaches to 470 equivalent full power days, and for all cycles, the moderator temperature coefficients at all conditions are negative values, the nuclear enthalpy rise factors F△H at hot full power, all control rods out and equilibrium xenon are less than the limit value, the maximum discharge assembly burnup is less 55000MW·d/t, and the shutdown margin values at the end of life meet design criteria.
计算结果表明，平衡循环堆芯的循环长度为470等效满功率天；各循环堆芯所有状态下的慢化剂温度系数均为负值；各循环热态满功率、无控制棒、平衡氙状态下的核焓升因子凡。
There is only negative vorticity but not distortion near the singular point at high-level geostrophic equilibrium high pressure, which presents clockwise closed-circulation in synoptic chart.
高层地转平衡的高压系统，奇点附近只有负涡度场而无变形场，在天气图上表现为只有顺时针旋转的闭合涡旋。
Results 1.The drug binding activity of the GABA receptor was decreased and the equilibrium dissociation constant (K-d) was significantly increased compared with the negative control group 2 hr after irradiation, and a spike value appeared at 24 hr.
结果辐射可显著降低神经细胞中GABA受体生物结合活性，表现为GABA受体蛋白平衡解离常数（Kd）升高，结合活性降低。
Hebei provincial government should play a leading role, face the nature of economic man, use both positive and negative incentives ways to break the equilibrium of noncooperation, and then achieve the cooperation among all departments.
河北省政府应发挥领导作用，正视经济人本性，运用正反两种激励的方式，打破这种不合作均衡，达成各成员单位之间的合作解。
Study shows that when the annual precipitation reached 331 mm in water-collecting jujube garden of arid hillside field, the supply and requirement reached equilibrium theoretically, less than 331 mm, the garden showed water deficiency, and water balance inclined to negative.
研究表明，黄土丘陵区旱坡地集水枣园的年降雨量达到331mm时，枣树生长期的水分供需在理论上达到平衡状态。降雨量低于331mm时，枣园水分出现亏损，水量平衡向负值倾斜。
Mathematical analysis of system with regard to the positive invariant set, the asymptotical properties of non-negative equilibrium and permanence is discussed.
讨论了系统的正不变集，非负平衡点的渐进性及持久生存性。
At first it discusses the feasibility of the corporation operation mode in economics'point of view: Using the Market Equilibrium Theory to analyze the negative influence of the government monopoly to market equilibrium;
首先从经济学的角度讨论公司化运营模式的可行性：利用市场均衡理论分析政府垄断对市场均衡产生的消极影响；
If the equilibrium of positive and negative is disturbed, the four seasons will be upset, the balance of heat and cold will be destroyed, and man himself will suffer physically thereby.
当阴阳的均势被破坏了，四季的变化就乱了，冷热的调节也离谱了，人的身体也跟着受害了。
Research results among the long-term equilibrium relationship between the variables, and the magnitude of changes in the industrial structure and financial accounting income share of labor compensation showed a negative effect, while the market share of labor compensation degree and a positive effect.
得出各变量间存在长期均衡关系，并且产业结构变动幅度和财政收入占比对劳动报酬占比均呈现负效应，而市场化程度与劳动报酬占比呈现正效应。
Under non-cooperative gaming, policy finance and commercial finance take on a negative interactive unfair Nash equilibrium;
非合作博弈下，政策性金融与商业性金融表现为负向互动的不公平纳什均衡；
On the basis of hydrodynamic traffic pressure, the paper selects the appropriate entropy model and the key traffic state parameter. The theory of non-equilibrium thermodynamics is used to establish the model of road traffic system entropy and the negative entropy traffic flow model.
在提出流体力学道路交通压力的概念基础上，选取适当的熵模型和关键的交通状态参数，运用非平衡态热力学的理论方法建立道路交通系统熵模型和负熵流模型。
And in equilibrium condition, P1 is negative correlation with examination cost (Z) of insurance institutions and is positive correlation with the probability of successful examining (m), punishment intensity (a).
而且，在均衡条件下，医院遵守协议概率P1与医疗保险机构审查成本（Z）负相关，与保险机构进行审查时的成功概率（m）、惩罚强度系数（α）正相关。
The thermodynamic curves showed that adsorption equilibrium data of IIP-PAA/SiO2 was fitted by the Langmuir isotherm model. The thermodynamic parameters enthalpy of IIP-PAA/SiO2 was negative, free energy of adsorption Gibbs was negative.
热力学曲线表明IIP-PAA/SiO2对Cu2+的吸附平衡符合Langmuir吸附等温方程，IIP-PAA/SiO2的热力学参数焓变为负，吸附的吉布斯自由能△G0为负值。
The best regional economic structure depends on the relevant relationship and technology matrix among different national economic sectors. The equilibrium growth rate and structure are respectively equal to the latent root and eigenvector of Frobenius of non_negative matrix.
区域最优经济结构是由国民经济各部门相互依存的关联关系技术矩阵所决定的，其均衡增长率和均衡增长产出结构分别等于非负矩阵的弗罗比尼斯特征根和相对应的弗罗比尼斯向量。
With ASPEN-PLUS software, a simulation calculation on equilibrium vaporation and equilibrium cooling of oil stabilizer has been carried out in order to determine the optimum technology parameters. On this base, the technical modification on negative pressure crude stabilizer has been conducted.
利用ASPEN-PLUS软件对原油稳定塔内的平衡汽化、平衡冷凝过程进行模拟计算，确定最佳工艺参数，在此基础上对负压原油稳定装置进行了改造。