放射性碳年代测定法涉及到了化学分析，与文物中残留的有机物成分所释放的放射性碳的含量测定有关。
Radiocarbon dating had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
可用于比沙可啶片剂的含量测定和有关物质检查。
It can be used for the determination of the content of the bisacodyl tablet and its related substances.
目的是测定辣木叶片中多糖的含量。
The objective is to determine the contents of polysaccharide in leaves of Moringa oleifera.
目的是测定水芹中金丝桃苷的含量。
The aim is to determine the content of hyperoside in Oenanthe javanica.
目的是要建立测定黄芩中原儿茶酸含量的方法。
The objective is to establish a method to determine the content of protocatechuic acid in Scutellaria barbara.
目的是建立测定甘草药材中甘草皂苷G2和甘草酸铵含量的方法。
The objective is to establish a quantitative method for determining the content of saponin G2 and ammonium glycyrrhizinate in Glycyrrhiza uralensis.
用高效液相色谱法测定尿中尿碱含量。
The measurement of urine kynurenic is acid by high-performance liquid chromatography.
采用紫外分光光度法测定了芫荽籽中总黄酮的含量。
The flavonoids in Coriandrum seeds were determined by ultraviolet spectrophotometry.
我们分别采用离子色谱法和氟离子选择电极法对茶叶中氟化物的含量进行测定。
We tested the quantity of fluoride in tea leaves by separately using fluorinion selective electrode and the ion chromatographys.
因此，科学家设计了一个实验来测定这些分子的含量，这样就可以利用血样来推测某人的年龄。
So scientists devised a test to measure the molecules-and use that to infer someone's age based on his or her blood.
对人尿样中的BPA(双酚基丙烷，双酚a)含量测定表明其会引起较高的心血管疾病风险。
A second study links BPA measured in human urine to a higher risk of cardiovascular disease.
气象气球主要是用来测定温度，气压和风速的，另外它还能够测出空气中很多种气体的含量，例如二氧化碳和氧气等。
This weather balloon will mostly measure temperature, air pressure, and wind speed, but others sample the air for the concentration of various gases like carbon dioxide and oxygen.
碳的年代测定工作是将碳14(碳处于这种状态并不常见，也不稳定)与碳12(碳的常见状态)的含量进行对比。
Carbon dating works by comparing the amount of carbon 14, which is a less common and less stable form of carbon, to the more abundant carbon 12.
因为一般的测定动物食物的测试只测量其中氮的含量，这些化学物质可以被加入昂贵的食物成分中而不为人所知。
Since the usual test for protein in animal feed just measures the level of nitrogen, these chemicals can be added to far more expensive feed ingredients without anybody noticing.
在过去30年里，他们通过跟踪测定臭氧层中化学物质的含量来估算臭氧层的破坏程度。
They point to the way their estimate of chemically destroyed ozone closely tracks the amount of chemicals in the hole during the past 30 years.
FDA要求瓶装水生产商必须定期对污染物含量进行测定，但该机构认为瓶装水是低风险产品，所以并不一定每年都会对其生产过程进行检查。
The FDA requires bottlers to regularly test for contaminants, but the agency considers bottled water a low-risk product, so plants may not be inspected every year.
有医生对307青少年做研究，测定他们的血液的维生素D含量。
The doctors who ran the study tested 307 adolescents to discover how much vitamin D was in their blood.
就在50年前，一个名不见经传的法医学家罗伯特·布洛根斯坦因发明了酒精测定计，使得人们可以通过呼出的气体迅速分析血液中的酒精含量。
JUST over 50 yearsago Robert Borkenstein, then a little-known forensic scientist, invented thebreathalyser, allowing instant analysis of alcohol levels in the blood from asample of breath.
目的：从天花粉中提取多糖，并测定其含量。
OBJECTIVE:To extract and determine content polysaccharides of Snakegourd root.
用气相色谱法测定麝香酮的含量。
采用比色法对心痛宁冲剂中总黄酮的含量进行测定。
Colormetric method was used to determine the content of Flavonoids in Xintongning Granule.
目的：测定复方酮康唑乳膏中硫酸新霉素的含量。
Objective: To determine the compound ketoconazole cream in the content of neomycin sulfate.
目的探讨测定硫乳膏中硫的含量测定方法。
OBJECTIVE To determine the content of sulfur in sulfur cream.
试验通过直接皂化-比色法和直接皂化-HPLC两种方法测定了鸭蛋蛋黄粉中胆固醇的含量。
The cholesterol in powder of duck egg yolk was measured by HPLC and colorimetry method after direct saponification in this paper.
目的：从麻黄中提取总黄酮和多糖，并测定其含量。
Objective:To extract and determine total flavonoids and polysaccharides in Ephedra sinica.
本品中甲苯咪唑的含量为什么可以用分光光度法测定？
Why can the content of mebendazole of this compound tablet be assayed by the spectrophotometric method?
目的测定三叶虫茶的水提液和丙酮提取物中的总糖含量。
Objective to determine the total sugars in water extract and acetone extract from Sanyechong tea.
目的测定三叶虫茶的水提液和丙酮提取物中的总糖含量。
Objective to determine the total sugars in water extract and acetone extract from Sanyechong tea.
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