Objective: to explore factors influenced detection qualified rate of food samples.
前言：目的：探讨影响地区性食品样品检测合格率的因素。
Six food samples were fortified with Sudan I and extracted by simple sample preparation.
选择了六种市售食品用作加标实验样品。
Additional food samples are currently being analysed to identify any potential secondary source of exposure.
目前还在对其它食物样本进行分析，以确定是否存在任何潜在的其它接触源。
The technique has been applied to prepare environmental samples, biological samples, food samples and others.
该技术已应用于环境样品、生物样品、食品样品等领域的处理中。
I want to make an appointment with Mr. Blake. It's about the food samples your company has sent us and the order.
我想和布莱克先生订个约会，是关于你们公司送给我们的食品样品和定货的事。
In addition, the pretreatment methods of biology food samples, analysis of PCDD and PCDF were reviewed in detail.
另外，对生物食品，二恶咽的分析及样品前处理进行了详细评述。
The food samples were collected by using duplicate portion method and the water content of food samples were determined.
食物水来源调查采用双份饭法进行样品收集，测定食品中的水分。
As part of the study, the scientists used fine nets to collect food samples inside and around the school of feeding whale sharks.
他们用结实的网采集食物样本并圈住部分正在进食的鲸鲨，进行他们的研究。
The laboratory results provide an important focus for testing on human, environmental and food samples to confirm these bromide levels.
化验结果侧重于人类、环境和食物样本，以证实其中的溴化物含量。
The same goes for other areas you don't need to expose yourself to, from the in-store bakery to the lady handing out the free food samples.
另外有些区域从店内的面包部到小姐分发免费食物试吃的地方也是少去为妙。
As the chart shows, the share of food samples that exceed the maximum residue limits (MRLs) in Europe has remained constant for many years.
如图表显示，食品抽检中，欧洲农残超标比例多年来一直居高不下。
The study directly used urease to detect lead and cadmium concentrations in pretreatment solutions of food samples by colorimetric method and got good results.
研究运用脲酶比色法直接检测食品样品预处理液中的铅镉重金属，得到了良好的效果。
Germany and France have started screening food samples. They say there will be no restrictions on Japanese food imports, however, until the test results are back.
只需怨国和法国启始对于去自夜原的食品减弱抽样查抄，没有过他们道，正在失入检测解因之先，没有会限定夜原食品的入口。
Of 200 food samples, 19 were positive. The positive rate 9. 5 percent. Compared with the common method, the difference of the results was not significant (P>0.05).
对200份食品检样进行检测，检出19份，检出率9．5％，与常规法检测结果平行比较，漏检率仅为0．5％，结果相差不显著（P＞0．05）。
The methods of extraction, purification and derivation of food samples, the selection of phase and determination of the biogenic amines in different foods are discussed.
对样品生物胺的提取、净化、衍生方法、流动相的选择以及不同食品中的生物胺种类及含量做了深入的探讨。
According to data reported so far, radioactive iodine is the main contaminant and concentrations in some food samples have been detected at levels above the Japanese regulatory limits.
根据迄今报告的数据，放射性碘是主要污染物，而且一些食物样本中检测到的放射性物质已经超过日本规定的水平。
Objective: to set up a method for the determination of phosphorous in food samples by ammonium molybdate spectrophotometry after pretreated with the microwave digestion technique.
目的：建立了用微波消解技术进行样品前处理，磷钼蓝分光光度法测定食品中磷含量的方法。
The pretreatment of food samples is a crucial procedure for determination of polychlorinated biphenyls in them. Several new pretreatment methods have been developed during recent years.
样品前处理是食品中多氯联苯分析的关键步骤，近几年在食品中多氯联苯的提取、净化和分离方面出现了一些新技术。
In this paper the research progresses on determination of biogenic amines in food by RP-HPLC are reviewed. The methods of extraction, purification and derivation of food samples, the select...
对样品生物胺的提取、净化、衍生方法、流动相的选择以及不同食品中的生物胺种类及含量做了深入的探讨。
The imprinted fiber showing the best performance in terms of selectivity and affinity for triazines was successfully applied to the extraction of target analytes from environmental and food samples.
对三嗪环有最强选择性和亲和力的印迹聚合纤维被成功用于从环境和食品样品中提取被分析物。
Young people are logging on to exotic food websites and ordering samples of prepared insects to serve at their dinner parties.
年轻人纷纷登录异国美食网站订购准备好的昆虫样本，以在他们的晚餐派对上供应。
Environmental samples, as well as food and drinking water, have also been taken and results of tests are awaited.
环境、食品及饮用水也都进行了取样，检验结果尚未出来。
In July, stool samples confirmed E. coli as the cause of illness, though the exact food source of the bacterium was not confirmed.
今年7月，粪便样本证实病因是大肠杆菌，但病因菌确切的食物来源，还没有得到确认。
The Breast Cancer Fund collected 2 samples of 6 different types of food marketed to children, and found levels of BPA ranging from 21 parts per billion (PPB) to 77.5 PPB, with an average of 49 PPB.
乳腺癌基金会选取了六种面向儿童市场的食物，并各抽取了两个样本进行研究。研究结果发现这些食物中双酚含量范围为十亿分之二十一到十亿分之七十七点五，平均含量为十亿分之四十九。
Recently our market in Sun City participated in a local food tasting fair, and 75 percent of the fair goers who visited the Excello booth requested free samples of organic fruit.
最近我们在Sun市参加了一个当地食品品尝集市，有75%光顾了Excello售货亭的逛集市的人都要求品尝免费的有机水果。
Today I can't offer you fireworks, but I can offer you plenty of great company and fine food to enjoy-samples of American culture and cuisine at their best.
今天我不能为各位安排焰火观赏，但我可以为各位提供良朋好友，美味佳肴，让各位品味美国文化和烹饪的精华。
Today I can't offer you fireworks, but I can offer you plenty of great company and fine food to enjoy-samples of American culture and cuisine at their best.
今天我不能为各位安排焰火观赏，但我可以为各位提供良朋好友，美味佳肴，让各位品味美国文化和烹饪的精华。
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