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tracer相关的网络例句

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与 tracer 相关的网络例句 [注:此内容来源于网络,仅供参考]

In this paper,the basic features of quartz and the theoretic basis for quartz to be taken as a tracer for material source are summarized,and the material source tracing methods to use scanning electron microscope,mass spectrometer,electron spin resonance and cathode luminescence and the feasibility of these methods are introduced in detail.

综述了石英的性质和它作为有效指示剂来示踪物源的理论基础,进而详细介绍了使用扫描电镜、质谱、电子自旋共振和阴极发光等仪器对石英矿物的表面微结构、氧同位素比值、形成年龄和阴极发光颜色等特征进行研究来追踪物源的方法以及这些方法的可行性。

The expression of one-dimensional mathematical model of vertical migration of ammonia in the CRI system is:The parameters in the CRI model are determined as following: the retardarce coefficient is determined by static isothermal absorption experiment, the velocity of sewage travel through the soil column is determined by permeability test, the vertical dispersion coefficient is determined by test the electric conductivity of tracer in the dispersion experiment, the rate of nitrification and denitrification is determined by test of Baps technology.

依据单一氨氮、硝氮配水条件下的试验结果,引入多孔介质的溶质运移理论及对流-弥散方程,考虑NH4+-N在CRI系统中的运移受到对流和水动力弥散作用的影响,并吸附-解吸、硝化与反硝化3个过程,首次将配水流经CRI土柱的孔隙水流速方程与CRI土柱内发生的、以氧为约束条件的硝化、反硝化过程联系起来,建立了CRI系统一维垂向氨氮运移转化数学模型,表达式为:研究分别通过静态等温吸附实验率定了模型方程中的阻滞系数、通过渗滤试验测定了土柱中的孔隙水流速、通过测定弥散试验中示踪剂的电导率确定了纵向弥散系数、通过气压过程分离技术测定了土柱中的总硝化与反硝化反应速率常数,最后通过测定土柱沿程氧化-还原电位的方法分析氨氮在CRI系统中的运移转化机理。

Haematoxylin-eosin staining specimens were observed with light microscope. So as for pathological changes of angle of anterior chamber, trabecular meshwork, ciliary body, choroids, retinal ganglion cell and layer of optic fibers. TUNEL technology was used to determineapoptosis of RGCs. Value of uveoscleral outflow was measure with FITC-Dextran as labeled tracer. Results:I.

直接眼压计测量眼压;常规HE染色光学显微镜下观察前房角、小梁网及睫状体的病理改变,观察脉络膜、视网膜神经节细胞及视神经纤维层病理改变;TUNEL法检测视网膜神经节细胞的凋亡情况;利用FITC-Dextran作为标记物测定葡萄膜巩膜引流途径房水流量。

Results The rate of dietary iron absorption in young Tibetan men was 13.4%±6.4% with good linear correlation between daily fecal excretions of iron tracer and Dy.

铁有4种天然丰度组成相对固定的稳定性同位素(stable isotope,SI),共同池理论认为各种同位素在人体内的代谢完全等同[1]。

The region of smoke flow of the fire has been measured by making use of tracer tick.

研究火灾燃烧烟气流动规律,对于掌握初期形式为燃烧的单炕道的火灾的发生和发展,以及爆炸后有持续燃烧的火灾发展规律,具有十分重要的意义。

It is used in luminescent tubes, flash lamps, incandescent light bulb s, lasers, and tracer studies.

氪用于萤光管、闪光灯、雷射以及示踪研究。

A brief introduction was given to the concept of natural tracer method, the characteristics of temperature and conductance distribution in groundwater, and the theory of heat-source method and conductance method for leakage detection.

摘要简述天然示踪法的概念、地下水温度场和电导场分布特征、热源法原理及电导渗漏测试原理。

The conception,main feature,foundation stone and research area of molecular nuclear medicinemolecular recognition as rationale, radioisotope labeling as tracer, we can explore the vital phenomena and disease take place from molecular level and give ,meanwhiles, giving a correctly diagnose and therapy of disease.

分子核医学的概念(以分子识别作为理论基础,利用放射性核素标记的示踪剂,从分子水平去认识生命现象和疾病发生、发展的规律,从而诊断与治疗疾病的一门综合性的边缘性学科)、主要特点、理论的基石与研究领域

In this paper, the distribution, abundance and occurrence states of U in mantle xenoliths are studied by ~(235)U fission track method, and the movement of mantle fluids is revealed by means of U-tracer, which is a representative of incompatible elements in the mantle.

在此基础上进一步把铀作为不相容元素群的示踪剂,指示地幔流体在深部地幔岩中的活动轨迹。

In 1988,China Institute of Atomic Energy in cooperation with Daqing Oil Companyconducted the first test using tritiated water as tracer for waterflood, opened thecurtain of interwell radiotracer test in China.

八十年代末期,中国原子能科学研究院与大庆油田合作,利用氚水作为示踪剂在国内首先开展了放射性井间示踪测试。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。