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However, to date there are only few scientific researches examing the therapeutic or prevention effects of balneotherapy.

然而有关使用温泉的治效果或预防疾病之相关科学研究实为多，故本研究之主要目的为探讨长期浸泡温泉对促进人体身体及心健康的影响。

Based on minor structural difference in the C-2 side chain, these autoregulators chemically identified to date can be classified into three types: the A-factor type, the virginiae butanolide type and the IM-2 type.

根据该类自动调控因子C-2位细微的结构差别分为三种类型，分别为A因子型、VB型和IM-2型。

Based on minor structural difference in the C-2 side chain, these autoregulators chemically identified to date can be classified into three types: the A-factor type, the virginiae butanolide type and the IM-2 type.

γ-丁酸内酯自动调控因子是一种由链霉菌产生的被称为微生物&激素&的小分子化合物，它控制着链霉菌次级代谢物的产生或形态分化。

To date the functional expression of NCX and its correlation with the early spontaneous electrical activity during cardiogenesis are not thoroughly clarified.

但是，至今钠钙交换在心脏发育过程中的功能性表达及其在细胞早期兴奋形成中的作用还不是很清楚。

To date, dump cooling has not been used in an actual application, but it might be of value in a convectively cooled space probe engine that operates with a very high wall temperature and uses hydrogen as the propellant and coolant.

迄今为止，转储冷却并没有被用来在一个实际应用，但也可能价值在1 convectively冷却空间探针引擎的运作与一个很高的壁面温度，并使用氢气作为推进剂和冷却剂。

The oldest sediments cored to date are about 150 million years old .

到目前为止取出的最老沉积物的岩心是大约1.5亿年以前的生成。

Cosmogenic isotopes 〓Be was used to date the glacial geomorphic surface of Qinghai-Xizang Plateau in this paper.

本文应用宇生核素〓Be对青藏高原冰川地貌面的年代进行计算。

This paper illustrates the potential of cosmogenic neon exposure age in studying the eruption., surface morphology, and erosion history of young volcanic rocks, which are difficult to date using other conventional methods,such as K-Ar or 40Ar/39Ar dating.

本论文阐述了宇宙中氖的暴露时间在火山爆发，表面形态和新形成的火山岩的侵蚀过程研究中的潜力。这些研究用常规的方法，如钾-氩或40氩/39氩测定年代较难进行。

An unprecedented combination of photochromism and solvatochromism for a 1,2-bis cyclopentene derivative,1,2-bis(2-methyl-5-formyl-thien-3-yl) perfluorocyclopentene,is observed:1 BMFTP,dissolved in the alcohols,exhibits the largest positive solvatochromic shift in wavelength witnessed to date.

我们发现了醛基二芳烯BMFTP的溶剂变色效应：1在醇类溶剂中，醛基二芳烯分子闭环态吸收波长将会发生显著红移；2在不同溶剂中，醛基二芳烯闭环态吸收波长不同。

XRD and TEM confirmed that the novel mesoporous silica has a diamonded face centered cubic structure with Fd3m symmetry, which was first reported up to date.

论文的第五章，用三头季铵盐阳离子表面活性剂作结构导向剂，用硫酸锆作无机锆源，在水热条件下合成了一种新的类似于SBA-1分子筛的立方介观结构（Pm3n）的硫酸氧锆复合材料。

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％。