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- Extreme value of temperature 温度极值
- In a engineering practice, we often meet with the problem that how to seek the extreme value of one-humped function. 摘要在工程实践中,经常遇到求单峰函数的极值问题,对这类函数能迅速有效地求出最优点具有实际意义。
- In order to find the solution to the aforesaid extreme value of function, we have to discuss about the basic application of extreme value of function. 要解决生活实际中有关函数极值的问题,首先我们要探讨有关函数极值的一些基本求法。
- These methods are Lagrange mean-value theorem, monotone function, extreme value of function, Taylor formula, concave and convex function. 提出六种常用的方法,并指出每一种方法的适用类型、解决问题的关键和证明问题的具体步骤,最后结合实例说明方法的可用性。
- Considering an extreme value of certain set function, the "inverse relations" of pieeewise polynomials also are achieved generally. 借助于对某种集合函数极值性质的考察,一般地获得了分片多项式函数的“反关系”。
- There was a descent of temperature after rain. 雨后气温下降了。
- Using a new definition W(P), one can get the result of an origin-symmetric convex body as that of an origin-symmetric polytope, which is already known, and get the extreme value of the ratio. 借助定义一个新的中心仿射不变量W(P)把已有结论中的研究对象从中心对称凸多胞形,推广到一般中心对称凸体,并求得推广后的极值。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- More accurate criterion for the terminal of backwater will get a greater extreme value of backwater length; while rough criterion for the terminal backwater may lead extreme value in the range of backwater length variation to vanish. 回水末端的位置精度越高,回水长度极值就越大,当末端标准精度较低时,在一定范围内回水极值现象可能不再出现;
- The coefficient of permeability of coal massgas attenuates with increase of volume stress and varies as parabola with porous pressure.The crtical pressnre is difinedas the extreme value of parabola. 得出了煤体瓦斯渗透系数随体积应力增加而衰减,随孔隙压呈抛物线型变化。
- The extent of temperature elevation in tumors with DIH was satisfied and the value of DIH in interstitial tissue targeting hyperthermia worth while further study. 纳米超顺磁性碘油直接注射肝肿瘤,肿瘤内升温效果明显,其在组织内靶向热疗中的价值值得进一步研究。
- By using Taylor's formula, the article deduces the sufficient condition of the existent extreme value and the necessary condition of the inexistent extreme value of trinary function. 通过利用泰勒公式推导出判断三元函数极值存在的充分条件和极值不存在的必要条件。
- The value of your assistance is inestimable. 阁下鼎立相助之功不可胜言。
- I am doubtful about the value of your proposal. 我怀疑你的提议是否有价值。
- Some variance of temperature is to be expected. 预料气温会有些变化。
- The interference is analyzed when grinding the front of gear shapers. The extreme values of grinding wheel diameters and calculating formula of interference errors are deduced. 分析了磨削插齿刀前面时的砂轮干涉现象,推导出砂轮直径极值及干涉齿形误差的计算公式,并给出了计算实例。
- The objective is to verify the predictions of engineering beam theory in so far as that theory defines the centerline deflection and extreme values of the normal stress. 实验目的是证明现行的工程梁理论,这种理论定义了中心线变形和普通应力的极值。
- The effect of temperature on wear life is marked. 温度对磨损寿命有重要影响;
- Finally, obtain that increasing the absolute value of J increases the concurrence for a given T, but the concurrence decreases with the increase of temperature until it reaches the critical value of T, and becomes zero. 结果表明:对于一定的温度,耦合常数的增加能够增加纠缠度,但是纠缠度却随着温度的增加而减小,直到临界温度时纠缠度为零。
- Thus, water is a great stabilizer of temperature. 因此,水是一个巨大的保温瓶。