这些矿物可以用放射性衰变技术测定年代，因为它们所含的放射性微量元素非常少。
These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.
总共有485块锆石内部带有包体，其中有十几块包体中含有放射性微量元素，研究者可以根据它们来测定包体的年代。
A total of 485 zircons held inclusions, and about a dozen or so of these contained radioactive trace elements that allowed the researchers to determine their ages.
之前，一项称为微量分光光度测定法的技术显示，鲨鱼的近亲鳐鱼和奇美拉都有辨色能力。
A technique known as microspectrophotometry had previously shown that rays and chimaeras, both close relatives of sharks, have color vision.
目的：测定地沟油中的微量元素含量。
Objective:To determine the contents of trace elements in hogwash oil.
提出了用除谱-多波长线性回归分光光度法测定强干扰基体中微量组分的原理和实验方法。
A new method for determining directly trace component in interfering base by absorbance division-multi-wavelength linear regression spectrophotometry.
目的：测定鹌鹑蛋中8种微量元素的含量，证明鹌鹑蛋中含有丰富的微量元素。
Objective: to determine 8 trace elements in quail eggs in an attempt to prove rich trace elements in quail eggs.
目的：建立一个灵敏、准确、特异、试剂稳定的乙醇氧化酶法用于测定血清微量乙醇浓度。
Objective:To establish a sensitive, accurate, specific method to determine a small quantity of alcohol in serum with stable reagents by catalysis of alcoholic oxidase.
结论微量白蛋白尿的测定可用于监测、防治糖尿病性心脏病。
Conclusions The menstruations of micro albumin urine can be applied to the prevention of diabetic heart disease.
这种方法可以测定标志着各种疾病的微量化合物，如肿瘤、哮喘和肾功能不全。
This can help detect minute traces of compounds that can point to various diseases, including cancer, asthma, diabetes and kidney malfunction, they said.
我们运用这一体系对某些中药和中药针剂中微量铜的含量进行测定。
We used this system to determine the contents of trace copper in some tablets and injections of Chinese medicine.
按世界卫生组织(WHO)推荐的体外微量法测定恶性疟原虫对氯喹的敏感性。
Chloroquine resistance was measured by the in vitro microtest recommended by WHO.
提出了一种新的木质素定量分析方法，即用浊度法快速测定亚麻纤维中所含微量木质素。
A new method of rapidly quantitatively analyze trace lignin in flax fiber by turbidimetry was proposed in this paper.
方法应用微量呼吸检压仪测定豚鼠肝细胞耗氧量。
METHODS The oxygen consumption of live cells of guinea pig was measured by Warburg instrument.
该方法应用于照片和定影液废水中微量银的测定，结果满意。
The method was used to determine the trace silver in photograph and fixation waste water with (satisfactory) results.
在硝酸介质中，通过比浊法测定水泥混凝土中微量氯化物。
In the medium of nitric acid, the trace chloride in the cement concrete was determined by turbidimetry.
该方法简便、稳定、干扰少，用于洗涤剂中微量磷的测定，结果令人满意。
This method, simple, stable and less interfered, gave satisfactory results when used to determine trace phosphorus in residual detergents.
方法对39例晚佝和23例健康儿童进行血微量元素测定。
Methods Determine serum trace elements in 39 late rickets and 23 healthy children.
另外，从相同站位上又选择了3个结核进行了全结核的常量和微量元素浓度测定。
In addition, 3 whole nodule samples selected from the same station were measured for concentrations of the major and trace elements.
对利用差谱—二阶导数分光光度法直接测定强干扰基体中微量组分的原理和实验方法进行了探讨。
A new method for determining directly trace component in interfering base by absorbance subtraction -second derivative spectrophotometry is proposed.
以矿石及其加工产品中微量金的测定和水中铅与砷的测定为例，详细地讨论了微量火焰原子吸收技术的应用效果。
With the determination of trace Au in ore and the determination of Pb and As in water as examples, the application effectiveness of MFAAT was discussed in detail.
用此改进方法可达到测定微量甲醛快速、准确的目的。
With this improved method, the formaldehyde can be determined rapidly and precisely.
本文提出了以氢化物与硝酸银反应为基础的在一份试样溶液中连续测定微量砷和铅的分光光度法。
The continuous determination of arsenic and lead in the solution of the same sample by spectrophotometry is described, based on the reaction between hydrides and silver nitrate.
方法：采用特制小血沉架，用微量吸管测定红细胞沉降率。
Methods: Erythrocyte sedimentation Rate were determined by using little ESR shelf and Micro-straw.
文章介绍一种能够连续自动测定微量油水混合流动时分相流量的方法。
A method for continually-automatically measuring fractional flow of oil and water is introduced in this paper.
用微量肉汤稀释法分别测定其最低抑菌浓度。
The minimal inhibitory concentrations were measured by broth microdilution method.
方法用酶联免疫吸附法测定尿微量蛋白。
Methods Using Enzyme Immunosorbent Assay detected urine micro protein.
可直接用于酒品类中微量铜或痕量铜的测定。
为了减小微量砷测定中的误差，介绍了用库仑滴定法测量微量砷的一种方法。
To reduce the determining error of micro amount of arsenic, a method testing micro amount of arsenic with coulomb titration method was introduced.
对不同方法炮制的肉苁蓉进行了肝脾脱氧核糖核酸合成率以及金属微量元素的测定分析。
The synthetic rate of DNA in the liver and spleen and metallic microelements have been determined for the different preparations of Herba Cistanches.
对不同方法炮制的肉苁蓉进行了肝脾脱氧核糖核酸合成率以及金属微量元素的测定分析。
The synthetic rate of DNA in the liver and spleen and metallic microelements have been determined for the different preparations of Herba Cistanches.
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