查询词典 representative sample

The glaciokarst landscapes of the Yorkshire Dales provide a very fair representative sample of the Pennine karst in Great Britain.

约克夏地区的冰川喀斯特代表了英国奔宁山区喀斯特景现的基本特征。

Methods: Data were drawn from the 2001 National Health Interview Survey, overing a 1,290 sample representative of the non-institutionalised Taiwanese population aged 65 years and over.

以全国代表性之2001年「国民健康访问调查」满65岁以上者为研究对象，共1，290人。

In Taiwan for more than 30 years experience in the heat treatment, its projects around the aerospace industry, defense industry, automobile industry, and other difficult part, and accumulated a metal heat treatment of materials science and experience, the key to the development of high-performance components, Jimi Ya sen ( 20 roller mill) work roll is a representative sample.

在台湾30多年的热处理经验，其项目遍及航太工业、国防工业、汽车工业等高难度工件，并累积了金属材料科学的热处理经验，更不断地发展高性能关键性组件，仙吉米亚（20辊轧机）工作辊是一代表性范例。

The Cross Belt Sampler obtains a representative sample of granular material direct from a moving trough belt type conveyor.

交叉皮带采样器可以直接从运动者的传送皮带上获得有代表性的粒状材料的样品。

Through the investigation, the existent orderliness of gypsum was studied by reconnaissance and survey in locale, and analyzed the physical and chemical quality of bedrock by means of much of experiment, furthermore gained a series of dynamical parameter by considering particularly the representative nature of the sample and selecting unflabby soft rock and intact gypsum samples.

在研究中通过现场调研、勘察，分析了石膏层在泥岩中的分布规律，并且充分考虑了试验的代表性，选取松弛程度较小的泥岩和未被溶蚀的石膏岩试样，进行了大量的室内与现场试验，分析了坝基岩石的物理化学性质，并获取了一系列的力学指标。

The mission of the Irish Peatland Conservation Council is to conserve a representative sample of living intact Irish bogs and peatlands for the benefit of the people of Ireland, and to safeguard their diversity of wildlife.

爱尔兰泥炭地保护委员会的使命：保护爱尔兰共和国那些没有被人类影响过的、具有代表性的沼泽和泥炭地；保护这些地区的野生动植物多样性。

In the study of microwave sintering of BaTiO〓 PTC ceramics, when the applied microwave power are above than a certain value, the abnormal axial shrinkage of the sintered sample will occur, by the analysis of SEM and XRD, it is found the microstructure and phase are different with conventionally sintered sample, the reason for this phenomenon is due to orientational grain growth by the action of electric field in the microwave sintering process.

微波烧结BaTiO〓电子陶瓷时，当所加的微波功率超过一定值时，首次发现烧结样品出现轴向异常收缩现象，采用SEM、XRD等分析发现其微观结构与常规烧结有巨大的差异，这是BaTiO〓材料的晶粒在微波场中受电场力作用而发生的取向生长造成的。

The differential eguations and boundary conditions are established, based on these hypotheses. The theoretical formulary about sample atom number with different diffusion coefficient are reasoned out; the relationship between the isotope abundance ratio and the sample wastage of melting and solid samples and the samples simultaneously at evaporation and decomposition are discussed in theory.

根据这三条假设建立了样品原子数的微分方程及边界条件，推导出了不同扩散系数的样品原子数的理论公式，从理论上讨论了熔融态、固态样品以及蒸发分解同时发生的样品同位素丰度比与样品消耗量间的关系。

The proteins and enzymes in saliva sample were removed by centrifugation and filtration of the mixture of acetonitrile and saliva sample.

将等体积的乙腈和唾液混合，然后通过离心和过滤的方法除去唾液样本中的蛋白质和酶。

The method has been used to determine Phthalic esters in drinking water and seawater sample. 3. Single drop microextraction, followed by gas chromatography with flame ionization detection has been applied to determine Formaldehyde, Acetaldehyde and Acraldehyde in water based on 2,4-Dinitrophenylhydrazine derivatization. Extraction solvent, extraction time and stirrer speed were optimized. Optimal experimental conditions were as follows: 1.6μL toluene microdrop exposed for 30 min in a 3ml aqueous sample placed in 4ml vial and stirred at 600 rpm/min.

以2，4-二硝基苯肼衍生，单滴液相微萃取与气相色谱火焰光度检测器联用测定水样中的甲醛、乙醛、丙烯醛，考察了萃取溶剂、液滴大小、萃取时间、搅拌速度、盐效应等对该方法的影响，并对影响液相微萃取的各种因素进行了系统的阐述，确定了该体系的最佳实验条件，实现了甲醛、乙醛、丙烯醛的提取和富集。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。