这并不是说，所有毛发分析是无效的。
通过毛发分析，内科医生可以判断你是否受到环境污染的影响，还可以核对食物对人的影响，诊断某些疾病，并监测疾病的复原情况。
With hair analysis, physicians can tell if you have been affected by environmental pollution. They can also check your diet, diagnose some diseases, and monitor recovery from them.
北极熊要进入寻找食物将会留下他们的毛发，作为样本进行DNA分析，然后采取围栏。
As the bears feed they snag against the fence leaving hair samples that are then taken for DNA analysis.
这项新技术或许也能助益人类学家，通过分析遗址中毛发中留存着的信息，进一步了解古人类的历史和迁徙。
The new method may also help anthropologists understand more about the history and migration of ancient humans at sites where bits of hair are preserved.
在毛发与纤维分析室，莫拓森和芮黎真看着法证专家武爱兰，她在一堆证据袋里翻找着。
In Hair and Fiber, Moore andRizzoli watched as Erin Volchko, a forensic scientist, sifted through hercollection of evidence envelopes.
方法应用ESEM观察分析不同锐器、钝器及致伤方式形成的毛发机械性损伤的微观形态特征。
Method ESEM was used to image and analyze the morphological characterizations of the physical damaged hairs, which caused by different sharp or blunt instruments and with different manners.
根据毛发中微量元素的含量，应用逐步判别分析进行了胃癌辅助诊断的研究，所得结果令人满意。
Using stepwise discrimination analysis, we studied the assistant diagnosis for gastric cancer according to the contents of trace elements in hair. The results are satisfactory.
本文回顾性分析了阿维A酯治疗91例角化性皮肤病（银屑病、毛发红糠疹、掌跖角化病等）的疗效和不良反应。
The effect and adverse drug reactions(ADRs )of etretinate in 91patients with keratinization, including psoriasis, pityriasis rubra pilaris, ichthyosis were analyzed retrospectively.
具有全画面定格功能，能让您在莹幕上清楚的分析比较皮肤与毛发的状况。
The analyser contains full scale freezing function, which let you analyse your skin and hair condition clearly on the screen.
针对毛发的几何形状，设计了对任意粗细毛发样品的PIXE分析计算方法。
Considering the geometric shape of the hair, a calculation program was designed for the PIXE analysis of hair samples with different sizes.
国内外常见的灵长类动物食性研究方法主要包括实地观察法、粪便分析法、室内笼养饲喂法、胃内容物分析法和毛发中同位素含量测定法等。
General methods for studies on primate diet at home and abroad mainly include direct observation, fecal analysis, artificial feeding, contents in stomach analysis and rumen analysis.
今天科学家一般可以在犯罪现场遗留的血液、唾液、毛发中分析出DNA。
Scientists today routinely analyze DNA in blood, saliva, or hair left behind at the scene of a crime.
一项研究报告说，科学家可以通过分析象尾毛发的同位素成分从而读出一头象的多年饮食记录。
The dietary and movement history of individual animals can be studied using stable isotope records in animal tissues, providing insight into long-term ecological dynamics and a species niche.
一项研究报告说，科学家可以通过分析象尾毛发的同位素成分从而读出一头象的多年饮食记录。
The dietary and movement history of individual animals can be studied using stable isotope records in animal tissues, providing insight into long-term ecological dynamics and a species niche.
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