微分的

However 528 nm and (dR716-R496)/(R716+R496) were the most important waveband and index to evaluate the variation of Fv/Fm on Mangifera indica and Decussocarpus nagi. At water deficit photosynthetic capacity and stomatal conductance reduced by decreasing soil water potential.

在平地结果显示，不同生态习性之植物其Fv/Fm对温度及光度之反应各异，并得知528 nm为推估芒果Fv/Fm萤光变化的重要波长，其反射率一次微分值为推估芒果Fv/Fm之最佳指数，NDVIdR716-496则为推估竹柏Fv/Fm最准确之指数。

The differential equations of motion and the state space model of the single inverted pendulum nonconservative damping system are deduced by using the second kind Lagrange equation.

利用第二类Lagrange方程推导了一级倒立摆非保守有阻尼系统的运动微分方程和状态空间模型。

Let{T_1,T_2,...T_N} be a sequence of nonexpansive mappings that satisfy condition,and let r be a mapping from the set of natural numbers N onto {1,2,..N},which assumes each value infinitely often.

我们主要研究当≠φ随机乘积{S_n}的收敛性。因为这种随机乘积有广泛应用(如在偏微分方程，规划数学，不等式及线性等式)。

The method proposed by Lindzen and Kuo is used to solve a complex two-order parial differential equation.

利用Lindzen和Kuo所提出的方法来解这样一种复什二阶偏微分方程。

At first, we will introduce the perovskite structure and fundamental characters of RRAM such as negative differential resistance and forming process.

首先，我们将介绍钙钛矿结构及基本的电阻式记忆体特徵，诸如：负微分电阻及塑造进程。

The infection process of Pseudopeziza medicaginis on leaves of Medicago sativa was observed by using of differential interference phase contrast microscope, and scanning and transmission electron microscope.

采用微分干涉相差显微镜、扫描和透射电镜技术系统研究了苜蓿假盘菌Pseudopeziza medicaginis在苜蓿叶片的侵染过程及超微结构特征。

With immature embryos of Citrus grandis'Guanximiyou' as material, the effect of the three factors, enzyme treating time, pycnosis treating time in ice water and dyeing, were studied in the process of single chromosome microdissection technique.

以'琯溪蜜柚'幼胚为材料，对单染色体微分离制片过程中酶解时间、冰水固缩时间和染色三因素的影响效果进行了研究。

A new PID algorithm which combines improved discretely integral PID and inadequacy differential PID,makes the system stabilitate faster and exacter.

控温电路采用线性化电流方式，算法上对积分分离PID算法做出改良，并与不完全微分PID算法结合形成一种优化PID算法，能快速、精确的把温差稳定到目标值，控温精度达到0.01℃。

By using the Krasnoselskii fixed point theorem, an existence result of two positive solutions is obtained under suplinear condition and sublinear condition.

讨论一类四阶非线性微分方程组Dirichlet边值问题正解的存在性，利用Krasnoselskii不动点定理得到这类边值问题在超线性和次线性条件下至少存在两个正解。

Deviation differential equation for 2～dimension temperature distributing out of the subterrene drills established first time in this paper.

文中首次建立了热熔器外非定常二维温度分布的偏微分方程。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。