查询词典 sampling fraction

Firstly, to the particulate filled Polyurethane composites, we have detected the contact angle between test solvent and filler or polymer matrix by the surface analysis. The surface tension, polar force parameter of the surface tension, apolar force parameter of the surface tension and polar fraction had been calculated.

通过表面分析的方法，测出参比液在基体与填料表面的接触角θ，计算出其表面张力γ_s、表面张力的极性分量γ_s~p、非极性分量γ_s~d、极性分数P；并由此估算出了基体与填料所形成的界面的界面张力γ_、粘附功W_a、裂纹能γ_G。

The result shows that the vesicle diameter first increase and then decrease with the increase of AOT mole fraction, the change regularity of which is the same with the depth of apparent blue color. The vesicle size increases with the increase of total surfactant concentration at any mixing ratio.

新制备的PTA／SDS=3／7，总浓度为0.01M的样品，负染色透射电镜观测发现了管状和球状结构的囊泡，球状囊泡的粒径在50～200nm之间，管状囊泡结构直径在70～200nm之间，而长度大约为7000nm，但是类似的"管子"在新制备溶液中还是比较少。

" Fraction ,In arithmetic, a number expressed as a quotient, in which a numerator is divided by a denominator."

分数，在算术中指两个数量相除的商，被除数称为分子，除数称为分母

In 2006 we had 8 million arrivals, which is just a fraction of the total potential.

在2006年，我们迎接了800万游客，这只是潜在游客总数的很小一部分。

In 1985 he established a new company, Artal Group, which invested in the US, Europe and China and then bought WeightWatchers at a fraction of the price it achieved when it then went public.

在1985年他成立了一家新公司，阿塔尔集团，主要投资在美国，欧洲和中国，他喜欢古色古香的中国艺术，包括书法，现在最关心的是中国当代艺术和他拥有约1500名员工的艺术馆。

The veterans interviewed for this article disputed General Askari's statement and said they were paid only a small fraction of their salaries, or nothing at all.

接受采访的伤残退伍军人驳斥Askari将军的说法，他们说抚恤金不足额发放，或者根本不发放。

Metallic copper must not contact with NSO fraction and/or asphaltene in the process of sulfur removal.

铜和沥青质的相互作用则在两种溶剂中均产生了大量的脂肪酸，同样在氯仿中的生成量较大，实验结果指出了加铜后样品非烃较多脂肪酸的来源。

Changes in morphological indexes, chlorophyll mass fraction, malondialdehydel molal concentration and protective enzyme activities of Hosta×hybrida 'So Sweet', Aspidistra elatior 'Punctata', Speirantha gardenii with shading treatments of 50%, 75%, 90% and a control of 0% were studied using the subordination function method.

对花叶玉簪甜心Hosta×hybrida 'So Sweet'，花叶蜘蛛抱蛋Aspidistra elatior 'Punctata'和白穗花Speirantha gardenii等3种地被植物进行不同程度遮光处理，研究了遮光条件下3种植物形态指标、叶片叶绿素质量分数、丙二醛质量摩尔浓度和保护酶活性的变化。

So 2/4=1/2. Here we have used the associative law or the cancellation law for multiplication, which are satisfied for natural numbers, now we assume they are satisfied with fraction numbers.

2的数，所以2/4=1/2。这里我们用到了乘法结合律也可以用消去律，本来这些运算律是对正整数乘法适用的，但对于有分数参加的乘法我们也规定适用。

This paper adapts adhesivedamping and construction damping caused by inner fraction betweenelements to absorb dynamic energy in the particle's movement for astatic solution.

本文采用了粘性阻尼和单元之间的内摩擦等引起的结构阻尼以吸收颗粒运动的动能求静态解。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。