查询词典 distributed constant

Then, based on the mean curvature, Gaussian curvature and the function of principal curvature, the minimal loci of the principal normal surfaces of curves, the curves with constant Gaussian curvature and the two curves of which the ratio of their functions is constant can all be obtained, as well as the properties of geodesic curve and lumbar curve.

再根据平均曲率、高斯曲率及主曲率函数，能得到曲线的主法线曲面的极小轨迹、常高斯曲率曲线及两个主曲率函数之比为常数的曲线。还给出曲面上测地线和腰曲线的性质。

Estimate the force constant k of a Z-H bond, assuming that there is a linear proportionality between force constant and bond enthalpy.

键的键合常数，焓的线性比例关系。从这些信息中推测 Z 的原子量。并给出 Z 的元素符号。

The proportionality constant, H, is known as the Hubble constant and quantifies how fast space is stretching—not just around us but around any observer in the universe .

其中的比例常数H，就是所谓的哈伯常数，它可以把空间向外延伸的快慢予以量化，不只针对我们周遭，也适用于宇宙中所有观测者的周围。

All nature, from the smallest thing to the biggest, from a grain of sand to the sun, from the protista to man, is in a constant state of coming into being and going out of being, in a constant flux, in a ceaseless sate of movement and change.

自然中所有事物，从最小到最大，最一粒沙到太阳，从原生物到人，是处在一个不断生成和消亡状态中，不断变迁，永远不停的运动和变化中。

Rna - Rns, see "Partitioning of net radiation", for multiple plants the fraction of radiation to each plant is calculated in the radiation section, see "Partitioning of radiation between plants", es is the vapour pressure at saturation, ea is the actual vapour pressure,ρa is air density, cp is the specific heat of air at constant pressure, Lν is the latent heat of vaporisation,Δ is the slope of saturated vapour pressure versus temperature curve,γ is the psychrometer "constant", rs is an "effective" surface resistance and ra is the aerodynamic resistance.

潜在蒸腾量 Etp 根据Monteith(1965)给出的彭曼联合方程形式计算：式中： Rn 为对于蒸腾的有效净辐射量(也就是 Rna - Rns ，见"净辐射划分"-Partitioning of net radiation，对于多重植被，每一株植物的辐射比率的计算见辐射一节的"植物间的辐射划分"Partitioning of radiation between plants)； es 为饱和水气压；ea 为实际水气压；ρa 为空气密度； cp 为常压下的空气比热；Lν为汽化潜热；Δ为与温度曲线饱和水气压关系曲线斜率；γ为干湿球湿度计"常数"；rs 为"有效"表面阻力；ra 为气动阻力。

Pyrometallurgy and hydrometallurgy are introduced in this article,pyrometallurgy,ammoniacal leaching and high-pressured acid leaching has obvious disadvantage.Craft simply,energy consumption low,the operation easy to control,investment low are the merits of the constant-pressured acid leaching.It is belived that constant-pressured acid leaching w...

本文介绍的红土镍矿处理工艺有火法工艺和湿法工艺，其中火法工艺和湿法工艺中的氨浸法、高压酸浸法存在明显缺点，而常压酸浸法有工艺简单、能耗低、操作易于控制、投资少等优点，将会有很好的发展前景。

Capillary Electrophoresis as a Method for Determining Hydrolysis Rate Constant of Raffinose Capillary electrophoresis was first employed for the determination of hydrolysis rate constant of trisaccharide raffinose.

测定棉子糖水解速率常数的毛细管电泳方法毛细管电泳首次用于测定三糖的水解速率常数。

It avoids the disturbance of the constant voltage source by imp roving the constant voltage source. It has high p recision and resolution, the measure resolution can be 0101℃, and p recision is ±011℃. The circuit has wide app lication with simp le structure, low cost, low power dissipation and small volume. It can be used in the p recise temperature measurement systems,such asmultip le thermal conductivitymeasurement.

用改进的电压测量电路间接测量热敏电阻的阻值，有效地克服了电压源的干扰，测量精度高，测量分辨率可达0101 ℃，测温准确度可达±011 ℃；并且该电路结构简单，成本低、功耗小、体积小，具有很高的实用价值，可用于需要精密测温的系统，如热导率测量仪的温度测量中。

In general we have two kinds of dielectric constant: the absolute dielectric permittivity, V the relative dielectric permittivity r, Vr = 0 = 1 , 0 means the vacuum dielectric constant, dielectric electrode means of EV \\ V \\ rate.

一般我们有两种介电常数：电介质的绝对介电常数，电介质的相对V介电常数r，Vr＝0＝1＋，0指真空中的介电常数，指电介质的电极化EV\V\率。

Under constant current I0 A the spin torque will twist the entire wire along the AB axis up to a small angle θ0, until it is balanced by the elastic restoring torque τ e =κθ 0 , where κ is a Top View positive constant, at the two fixed points.

有恒定电流 I0 时，自旋力矩将导线以 AB 为轴扭转一小角θ0，直到被 A，B 点的弹性力矩τ e =κθ 0 抵消为止，其中κ是正常数。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。