这次考察航程最初的目的是测量持久性有机污染物之类的化学物质，而对金属的研究是一个后即想法。
The original objective of the voyage was to measure chemicals known as persistent organic pollutants, and the study of metals was an afterthought.
这样的警告来自于一份全新的国际科学报告，它详细研究了气候变化与名为“持久性有机污染”的一系列人为有毒物质之间的关系。
The warning comes in new international study into the links between climate change and a class of man-made toxins called persistent organic pollutants.
西澳大利亚大学的肯尼斯·克莱门茨(Kenneth Clements)、YihuiLan和ShiPei Seah对巨无霸指数的最新研究表明，失调具有明显的持久性。
A recent study of the Big Mac index by Kenneth Clements, Yihui Lan and Shi Pei Seah of the University of Western Australia showed that misalignments are remarkably persistent.
这次短期的研究显示无线传感器网络系统能附加在现存的结构体上，但它让其它工程师产生了疑惑，这些网络系统在苛刻的条件下持久性是如何呢。
This short-lived study showed that wireless sensor networks could be added to existing structures, but it left other engineers wondering how durable such networks would be in demanding conditions.
研究者表示燃烧电池在提供较高动力，并且能保持高效率的运转和拥有较高的持久性。
The researchers say the fuel cell provided high power with reasonable efficiency and promising durability.
皮特曼的小组认为，心得安等药物抑制记忆的持久性仍待研究。
As for Pitman's team, it is also early to know how durable the effects of drugs like Propranolol are on memory revision.
研究报告表明，感染艾滋病毒并免疫抑制的的儿童对免疫扩大计划（EPI，WHO）疫苗的有一个低持久性抗体。
The study suggested that immunosuppressed HIV-infected children have a low persistence of antibodies to the vaccines of the Expanded Program on Immunization (EPI, WHO).
她说：“我们变得对婚姻关系的持久性以及理解关系稳定的重要性上更感兴趣(，而对幸福感受方面的研究做得不够深入)。”
She said: "we became interested in relationships that endure and how might we begin to understand them."
来自加拿大环境部空气质量部门的小组成员HayleyHung表示，他们的研究工作初步证明了北极圈持久性有机污染物正在复苏。
Hayley Hung, at the air quality research division of Environment Canada and one of the team, said their work provided the first evidence of the remobilisation of Pops in the Arctic.
近年的研究表明，白类有较好的免疫持久性。
Recent years' research indicated that Bai Lei has the good immunity durability.
因此，研究数据持久性策略具有重要意义。
It is very significant to research data persistence strategy.
同时，在三项不同的研究中都表明，精神疲劳或长时间繁重工作之后失去注意力被证明是不利于持久性的表现。
Meanwhile, mental fatigue-or losing focus after a long period of hard work-was shown to be detrimental to endurance performance in three different studies.
以垃圾焚烧飞灰中的持久性组分分析为例，研究了不同程序升温条件下用于峰识别的拟合定量方法。
The curve fitting quantification method has been developed for peak recognition of complex and persistent components in fly ash from municipal waste incineration at different temperature programs.
因此，确定影响抗性持久性的各种因子，形成育种策略以增加抗性的持久性成为近50年来植物病理学研究的首要目的。
Understanding the factors that affect the durability of resistance and devising strategies to increase durability have been primary goals in plant pathology research over the last 50 years.
Marsiske 说，效果的持久性真的是前所未有的，这项试验比其他认知研究具有更多样化的样本。
The durability of the effects really is unprecedented. There was also a much more diverse sample than any other cognitive research had allowed.
目前，生物吸附剂已成为处理重金属和持久性有机污染物研究的热点和重点。
Nowadays, biosorbents become the hotspot and keystone of the researches on treating heavy metals and POPs.
作为这些准则的应用，一系列特殊的单种群增长的时滞系统被研究，关于种群的持久性和系统的正周期解的存在性的一系列具体的判别准则被建立。
As application of these results, the permanence and existence of positive periodic solutions for a series of special single-species growth systems with delays are obtained.
研究一类经济系统——竞争销售系统的可控持久性。
This paper discusses the controllable persistence of a class of economical system, which is the competitive sale system.
采用EXAMS模式，研究了运河常州段中存在的双-（2-氯乙基）醚、硝基苯、喹啉以及挥发酚的暴露、归趋和持久性。
The exposure, fate and persistence of bis-(2 -chloroethyl )ether, nitrobenzene, quinoline and volatile phenol existing in the Grand Canal at Changzhou have been studied using EXAMS model.
文章研究了季铵型阳离子纤维素(QACC)的红外光谱和对持久性有机污染物的吸附及循环利用问题。
In the present paper, the IR spectra, adsorption and reusing property of quaternary ammonium cationic cellulose (QACC) towards POPs were studied.
本研究主要是找出适合LT的高持久性黏胶剂。
This study focused on finding as to what adhesives were acceptable as highly durable adhesives for LT.
探讨了影响聚乙烯防雾膜防雾性的各种因素。研究表明：增加膜厚能增强防雾的持久性；
Several kinds of the factors affecting anti - fogging performance of the polyethylene (PE) films were explored in this paper.
第五章研究了二维脉冲竞争模型的持久性和灭绝性。
In chapter 5, we discuss the permanence and extinction for two class of two dimensional impulsive competitive model.
第五章研究了二维脉冲竞争模型的持久性和灭绝性。
In chapter 5, we discuss the permanence and extinction for two class of two dimensional impulsive competitive model.
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