B-splines are piecewise polynomial curves that have a parametric representation.

Regression analysis includes linear, polynomial and exponential curve fitting, plotting, and interpolation.

回归分析包括线, 适合的多项式和指数的曲线, 绘制, 以及篡改.

The number a is called a double root of the polynomial function f.

数a称为多项式丞数f的二重根.

The algebra AQ is called a quantum polynomial algebra.

代数AQ叫做量子多项式代数.

Its form up to a tenth degree polynomial is shown below.

下面写出一直到十次多项式的帕斯卡三角形.

It give the solution for polynomial equations using simplex method.

它提供的解决方案多项式方程组采用单纯形法.

Polynuclear Aromatic Hydrocarbons ( PAHs ) can be found in diverse areas of environment all over the world.

多环芳烃是一类广泛存在于环境中的有机污染物,有较强的致癌性.

Polymetallicacetate is a kind of polynuclear metal complex with aluminum and thulium.

该多金属醋酸盐是一种含铝和稀土的多核金属配合物.

Modeling water mass formation in the Mertz Glacier Polynya and Ad é lie Depression, East Antarctica.

模拟南极洲东部Mertz冰河冰穴和Adélie低压内的水团形成.

Polyol esters are suitable to be lubricant of minimal quantity lubrication to metal working.

多元醇酯适合作为微量润滑金属加工润滑剂.

Ingredient: Vitamin B 3, Essential Oils , Korean Ginseng Extract, Polyol, Rose Extract, Aloe Origin Fluid, Hyaluronic Acid.

主要成份: 维他命B3, 精油 、 高丽参精华 、 多元醇 、 玫瑰萃取精华 、 芦荟原浆 、 透明质酸.

The room temperature curing polyurethane-polystyrene blends were synthesized a synthesized unsaturated polyester-polyol by chemical blending method.

合成了不饱和聚酯多元醇,进而采用化学共混法合成了室温固化的聚氨酯聚苯乙烯共混物.

Polyurethane foam wastes were recycled by alcoholysis with 1, 2-propanediol . Polyol and amine compound were gained.

以1, 2- 丙二醇醇解废旧聚氨酯得到多元醇混合物和胺类化合物,红外光谱法分析了多元醇混合物.

A simple and efficient way to prepare PIPA polyol was exploited according to the much attempt.

通过大量实验寻找出简易、有效制备PIPA多元醇的工艺,并通过红外测试证实了产物的合理性.

The role of polyoxyethylene triol, rosin polyester polyol and asphalt in asphalt-polyurethane rigid foam was stressed.

重点介绍了聚氧乙烯三醇 、 松香芳烃聚酯多元醇在配方中的作用.

Field using shows that optimized drilling fluid system " polyol-positive colloid polymer drilling. "

本文介绍了聚合醇 - 正电 胶聚合物钻井液在中原油田水平井中的设计与应用.

The manufacturing process and the reaction mechanism of polyether polyol are resumed.

概述了聚醚多元醇的生产过程及反应机理.

A environmentally friendly two-component polyurethane adhesive was prepared from polyether polyol, toluene isocyanate and MOCA.

以聚醚多元醇、环氧树脂 、 甲苯二异氰酸酯和MOCA为原料制得了双组分环保型聚氨酯胶粘剂.

The melamine-polyurea polyol provided good foam collapsed hardness, and excellent foam fire retardancy for HRPUF.

三聚氰胺聚脲多元醇为其泡沫提供了优良的泡沫压陷硬度和阻燃性.

The properties, modification and application of polyolefin elastomers were introduced in theis paper.

介绍了新型弹性体材料———聚烯烃弹性体的性能特点, 改性增强及应用.

The synthesis and application of functional polyolefin are reviewed.

介绍了功能化聚烯烃的合成方法和应用情况.