Method: a before-after study in the same patient was applied.
方法：用自身前-后对照研究设计方案。
Methods Before-after study was applied in passengers of railway, and the questionnaire surveys and qualitatively interview were taken to analyze the effect of AIDS health education on them.
方法对乘坐硬座车厢旅客采取自身前后对照方式，干预前后分别进行问卷调查和定性访谈，对采用的艾滋病健康教育材料和方式效果进行评价。
Ideal study times are after dinner or right after school before dinner.
理想的学习时间是晚饭后或者是放学后吃晚饭前的那段时间。
When you study there, you will have to face challenges in everyday life that you have never experienced before, but after a year abroad, you will return with a new look at life—and at yourself.
你在那里学习时，将不得不面对日常生活中从未经历过的挑战，但经过一年的国外生活，你将会以新的面貌、新的自我回归。
The last case study looks at the security situation in Haiti both before and after last year's devastating earthquake.
最后一个研究案例是海地发生去年毁灭性地震之前和之后的的安全状况。
Similarly, Bojowald's study indicates that there is complementarity between the uncertainty factors for the volume of the universe before the Big Bounce and the universe after the Big Bounce.
同样，波究瓦德的研究指出这也是大弹跳前宇宙和大弹跳后宇宙体积不确定性因素的互补。
Researchers gauged study participants' mood before and after showing them one of two video clips.
研究者测量了该研究参与者看这两个视频剪辑之一的前后心情。
After coming home I made up my mind to study harder than before. When I grow up, I will work hard to make our country more beautiful and stronger.
回到家后我下了决心，长大后我要努力学习，把我们的祖国变得更美丽更强大。
A new study says that drinking water before meals can help you lose weight. But it's what happens after the water that really matters.
一项最新研究指出饭前喝水有助于减肥。喝水之后的结果更重要。
In Mexico, the study compared death rates from diarrhoea and vomiting before the vaccine was introduced with the death rates in the year after the programme began.
在墨西哥，研究对接种疫苗前腹泻和呕吐的死亡率与接种程序开始之后一年内死亡率做了比较。
The study results suggest that sleep before learning may be important, too, just as experts have known that sleep after learning is crucial to solidify information learned, Walker says.
沃克说：这项研究的结果表明，学习前的睡眠可能也是很重要的，正如专家们都知道，学习后的睡眠是非常重要的，这可以巩固学到的信息。
Two randomized controlled trials (RCTs), one before-and-after study and two retrospective reports on clinical efficacy and safety were retrieved, together with 18 pharmacokinetic studies.
检索到与临床功效和安全性相关的两个随机对照试验(rct)、一个前后对照研究、两个回顾性报告，以及18个药物动力学研究。
A study of newlyweds found that each individual's health behaviors before marriage affected those same behaviors in their partner in the years after the wedding.
一个对新婚夫妇的调查发现婚前个人的健康习惯会在婚后几年里影响对方做出同样的行为。
After those days I know it is important to learn how to study. I should work harder than before.
经过那段时间我懂得了学会怎样学习是很重要的。今后我应该比以前更加努力学习。
TUESDAY, April 5 (HealthDay News) — Babies born to mothers who were obese in early pregnancy have a much greater risk of dying before, during, or up to one year after birth, a new British study says.
星期二，四月五号(每日健康新闻)——一项新的英国研究表明，怀孕初期肥胖的妈妈生下的婴儿有更大的风险在出生后一年或不到一年夭折。
After being diagnosed with a brain tumour at the age of nine, Lizzy missed three years of schooling before returning to study part-time.
九岁的时候，Lizzy被查出患有脑癌，三年后，她才得以重返校园，但学习的同时还必须坚持治疗。
Before and after the test, researchers took saliva samples to measure cortisol and testosterone - two hormones that the study says "are particularly sensitive to psychological and social influences."
在测试开始和结束的时候，研究人员分别取了他们的唾液样本以此来检测皮质醇和——这两个被研究称为是对心理和社会影响最敏感的激素。
We hope this study makes people think twice and encourages people to wash their hands after going to the toilet and before eating.
我们希望这一研究能让人们好好想一想，鼓励人们在如厕后和吃饭前都洗洗手。
Before and after the test, researchers took saliva samples to measure cortisol and testosterone -two hormones that the study says "are particularly sensitive to psychological and social influences."
在测试开始和结束的时候，研究人员分别取了他们的唾液样本以此来检测皮质醇和——这两个被研究称为是对心理和社会影响最敏感的激素。
The FDA rejected the drug once before, in 2006, after a study in patients with heart failure showed that people in the Multaq group died at twice the rate of those in the placebo group.
在此之前一项针对心衰患者进行的研究显示，服用决奈达隆的患者死亡率是服用安慰剂组的两倍，因此FDA曾于2006年驳回该药的申请。
In the study, researchers scanned the brains of women who had never conceived before, and again after they gave birth for the first time.
在这项研究中，研究人员扫描了从未怀过孕的女性的大脑，然后在她们第一次生育后再次进行扫描。
The IHS study is based on data collected in Iraq both before and after the invasion, showing the oilfields' reserves and production history.
IHS的这项研究依据的是伊战前后收集的数据，显示了油田的储量和生产历史。
To study the gene expression of the Trichloroethylene induced medicamentosa-like dermatitis before and after Glucocorticoid treated.
目的探讨三氯乙烯药疹样皮炎在糖皮质激素治疗前后的基因表达谱变化。
Objective It is to study the hemodynamic changes of the splenic artery in thrombocytopenia patients before and after therapeutic splenic artery embolization.
目的观察血小板减少症患者脾动脉栓塞术前后的脾动脉血流动力学的变化。
All had a biopsy of the esophagus before and after the study.
在研究前后进行食道的组织活检。
All had a biopsy of the esophagus before and after the study.
在研究前后进行食道的组织活检。
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