当实验种群在简单的实验室条件下建立起来时，捕食者往往会消灭它的猎物，然后自己也走向灭绝，因为没有东西可以吃。
When experimental populations are set up under simple laboratory conditions, the predator often exterminates its prey and then becomes extinct itself, having nothing left to eat.
实验种群中初期死亡率较低，5龄幼虫和蛹的死亡率较高。
In experimental populations, mortalities of the 5th instar larvae and pupae were higher than those of instars at initial stages.
方法不同浓度和不同时间饲喂小白鼠醋酸氯地孕酮饵料，观察该鼠实验种群的数量增长动态。
Methods different concentrations of chlormadinone acetate were fed to mice in different time, and the quantity growth dynamics of mice was observed.
然而动物学家都清楚，实验提供的依据再多，最终也还是要看自然种群。
But as all zoologists know, experiments can only tell you so much. Eventually, you have to look at natural populations.
最近《实验医学杂志》上一篇关于种群遗传学的论文提出一个观点：人体免疫蛋白之所以有今天这样的疾病抵御能力，还得归功于各种病菌。
09052823】 Thank parasites for making some of our immune proteins into the inflammatory defenders they are today, according to a population genetics study in the Journal of Experimental Medicine.
研究人员在实验室研究了三种墨西哥丽脂鲤种群。
Researchers studied three populations of Mexican tetra in the lab.
我们的实验结果表明使用离散逻辑斯蒂模型来控制种群规模的VPGA能够比其他从微观算子上改进的遗传算法更加高效省时。
Experimental results show that VPGA using logistic model population size is more efficient and requires less computation time than other modified GAs which only improve the GA operations.
方法从正常饲养猕猴种群中，采用葡萄糖耐量试验和尿糖测试实验方法，筛选自发性糖尿病模型。
Methods The GTT (glucose tolerance test) and glycosuria test in breeding rhesus monkeys were used to choose the rhesus monkey model of the spontaneous diabetes.
方法从正常饲养猕猴种群中，采用葡萄糖耐量试验和尿糖测试实验方法，筛选自发性糖尿病模型。
Methods the GTT (glucose tolerance test) and glycosuria test with breeding rhesus monkeys were used to choose the rhesus monkeys model of the spontaneous diabetes.
TN1种群的特异片段，可能与弱致害连锁，经遗传学实验卡方验证，为质量性状基因，遵循3：1的分离比例。
The special band of TN1 population maybe link with avirulence, it was quality character confirmed by genetics experiment and tested by X2-test, followed 3:1 segregation ratio.
设计并评价了种群繁殖和实验过程中的两种接虫方法：“微型接虫笼法”和“整株一培养皿”结合法，后者在实际操作中更加便捷和实用；
Two population breeding methods of "micro-law of insect cage" and "whole-petri dish" were designed and evaluated, more convenient and practical of the latter in the practical operation.
目的对普通级实验家兔进行剖腹净化建立SPF家兔种群，提高实验用兔的质量，满足科研、生产及检定工作需要。
Objective to establish the SPF rabbits breeding stock for our department, and to meet the needs of scientific research, production and test.
实验结果表明多种群以及融合算子的引入，极大地提高了算法性能。
Simulation results show that the algorithm achieves a noticeable gain of performance by introducing multiple colony and fusion operator.
研究人员在实验室对三个种群的墨西哥脂鲤进行了研究。
Researchers studied three populations of Mexican tetra in the lab.
花园土壤样品发送到生物土壤测试实验室分析微生物种群。
Send garden soil sample to a biological soil test laboratory to analyze microbe populations.
本实验研究了位于渤海湾地区的海兴县海丰盐场卤虫的生活史、种群动态和盐度对种群和繁殖的影响。
The brine shrimp Artemia's life history, population dynamics and effects of salinity on population traits and reproduction traits were studied at Haifeng Saltworks, which situated along Bohai Bay.
在实验室条件下，对我国北方长角血蜱甘肃株孤雌生殖种群的生活史进行了首次观察。
The parthenogenesis population of Haemaphysalis longicornis Gansu strain in northern China was observed under laboratory conditions. Three hosts were needed in one generation.
结果：库蚊属中尖音库蚊复合组4个亚种的实验室种群和伊蚊属中的白纹伊蚊的4个地理株种群均有感染；
Results:The characteristic 600bp products were observed after amplification of extracts from 4 subspecies of Culex pipiens complex and 4 geographical strains of Aedes albopictus.
结果：库蚊属中尖音库蚊复合组4个亚种的实验室种群和伊蚊属中的白纹伊蚊的4个地理株种群均有感染；
Results:The characteristic 600bp products were observed after amplification of extracts from 4 subspecies of Culex pipiens complex and 4 geographical strains of Aedes albopictus.
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