查询词典 metric coefficient

Current beta coefficient is needed to be corrected when it is used to forecast future beta coefficient. The way of amendment is put forward later Simultaneously, notability inspection of iron board beta coefficient is conducted.

主要对β系数的稳定性、β系数的变化趋势、钢铁上市公司的风险结构做了实证性的数据检验，得出当期的β系数如果被用作未来β系数的预测时应该作的修正方法。

The highest heat transfer coefficient for air flowing in the nine 3-D IFT with staggered arrangement fins is No9 tube. In the turbulent region, the heat transfer coefficient of No9 tube is a factor of 10.36 compared with smooth tube, and its thermodynamic performance coefficient is as high as 6.49; The average Nusselt number in the most superior 3-D IFT with staggered arrangement can be increased by about 1.04 times in the laminar flow, and 6.38 times in the transitional flow as compared with that in the smooth tube. The friction factor between fluid and tube wall can be 0.96 times in laminar flow, and 12.68 times in transitional flow as compared with that inside the smooth tube.

在进行实验的九根肋叉排三维内肋管中，换热最强的No9管与光管相比，在紊流区的换热强化比平均可达10.36倍，阻力增大比约为4.06倍，其热力性能系数高达6.49；在过渡流区的换热强化比平均可达6.38倍，同时阻力增大比约12.68倍；在层流区的换热强化比为1.04倍，而阻力增大比仅约0.96倍。

The result show that the position of free surface is higher because of frusta of brake, especial obvious in the head of frusta of brake; flux coefficient and pressure on dam are quite influenced by type of frusta and 3 A type frusta of brake relative to 2 type frusta of brake has bigger flux coefficient and smaller pressure on dam; Obvious influence of ability of discharge flow for different ratio of thickness of frusta and breadth of brake and pressure on dam reduces with increasing ration of thickness of frusta and breadth of brake, while bigger flux coefficient is obtained when tlb = 0.2.(7)The 3D free surface turbulent model established in the paper is comparatively well and truly simulates 3D flow over spillway with frusta of brake and series waterpower computation can be completed aim at different type of dam, type of frusta and disposal on the dam and different water height on peak of

结果表明，闸墩河海大学博士论文的存在抬高了水面线的位置，其中在闸墩头部尤其明显；墩型对流量系数和坝面压力影响较大，3A型闸墩相对于2型闸墩具有更大的流量系数和更小的坝面压力：不同的墩厚闸宽比t/b对泄流能力也将产生显著的影响，随着墩厚闸宽比的增加，坝面压力降低，而当t/b二0.2时溢流坝具有更大的流量系数。7本文建立的三维自由面湍流场模型能够比较准确地模拟带闸墩溢流坝三维过坝水流湍流场，可以针对不同的坝型、墩型、坝面布置形式以及不同的坝顶水头完成系列水力计算，为泄水工程建筑物的设计提供可靠的分析依据

In order to improve the accuracy of the existing transformation ratio model of the hydraulic transformer, a mathematical model is established by introducing the friction coefficient, the viscous drag friction coefficient and the laminar leakage coefficient.

为解决已有的液压变压器变压比模型与实际结果偏差较大的问题，通过对实际工作过程中不应忽略的摩擦与泄漏损失进行研究，引入机械摩擦损失系数、黏性摩擦损失系数和层流泄漏系数，建立了液压变压器变压比模型。

Considering the effects of saturation, pole shape, some important coefficients including the effective pole-arc coefficient, the leakage coefficient, the air-gap coefficient are analyzed by electromagnetic method, and a series of useful curves are given.

考虑磁路饱和、磁极形状等因素的影响，利用电磁场数值解法对电磁计算中的有关系数，包括漏磁系数、计算极弧系数、气隙系数等进行了分析研究，给出了工程实用的曲线。

The plunger stroke loss factor, pump barrel fill coefficient, leakage coefficient and bulk effect coefficient of produced liquid.

有杆抽油系统中抽油泵容积效率的计算一般由柱塞行程损失系数、泵筒的充满系数、漏失系数和抽汲液体的体积效应系数等 4部分构成。

Results An estimate of fixed coefficient, expectation and variance of random coefficient with constraint in the linear model of mixed coefficient is given. At the same time, the nature of the estimate is discussed.

结果 给出了在一定的约束条件下，混合系数线性模型的固定系数，随机系数的数学期望和方差的一种估计，并讨论了该估计的性质。

The content of different nutrient was variated in:change of soil organic matter in the rate of 6.32～35.83 g/kg,the coefficient variation was 29.72%,change of the soil available nutrient content was not the same,to the most obvious avail-P,the rate of change for the 4.00 to 91.60 mg/kg,the coefficient variation 68.81%,avail-N smaller the range, changes in the rate of 40～182 mg/kg,the coefficient of variation was 26.66%.The average of all soil nutrients are in the middle level of the plentiful-lack Index of available nutrient.

涿州市不同元素养分含量变异情况各不相同：土壤有机质变幅不大，变化幅度为6.32～35.83g/kg，变异系数为29.72%；土壤速效养分含量变幅不相同，以速效磷最为明显，变化幅度为4.00～91.60mg/kg，变异系数达68.81%；碱解氮的变幅较小，变化幅度为40～182mg/kg，变异系数达26.66%，各速效养分的平均值均在丰缺指标所划定的中等养分含量水平。

The results showed that the residual yield point stress descended and cushion coefficient increased with the number of vibration and the acceleration increased. Cushion coefficient don't change much in the small stress stage; while in the large stress stage; cushion coefficient increases obviously.

结果表明，随着振动次数、振动加速度的增加，瓦楞纸板剩余屈服应力减小，缓冲系数增大，其中在小应力阶段缓冲系数变化不大，在大应力阶段，缓冲系数显著增大。

The effect of Gurney flap on double delta wing aerodynamics was conducted in low speed wind tunnel,the experimental results indicated that Gurney flap can promote the model s lift coefficient,maximum lift coefficient and lift-to-drag ratio at middle to high lift coefficient.

通过低速风洞实验研究了Gurney襟翼对双三角翼气动特性的影响，结果表明Gurney襟翼可以提高双三角翼的升力系数、最大升力系数以及中高升力系数情况下的升阻比。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48