小型虾类不仅能独一无二的从数次物种大灭绝中存活下来,还能依靠雌雄同体之一进行繁殖,正因为如此,只要存在一只便可产生一个新的种群。
Not only are the shrimp unique for having survived several major extinctions, they also can have both male and female reproductive parts so just one can generate a new colony.
这种无脊椎动物以惊人的繁殖速度占领海洋,后分解为高浓度碳生物量,细菌难以有效吸收。
The invertebrates, populating the seas in ever-increasing numbers,break down into biomass with especially high levels of carbon, which thebacteria cannot absorb well.
诸如开着紫色花的亚洲牡丹,草莓番石榴等,这些入侵种威胁了夏威夷当地物种的过度繁殖,比如,无刺玫瑰和精致的桫椤的的生长。
Invaders such as purple-flowered Asian melastome and strawberry guava threaten to overrun delicate Hawaiian natives such as thornless roses and delicate tree ferns.
鸭嘴兽的繁殖几乎是独一无二的。
“口蹄疫是一种繁殖极快的病毒—当它在动物中发现一个无免疫力的小生境,它便会直接入侵,”粮农组织专家KeithSumption说。
"FMD is a virus that propagates incredibly quickly — when it discovers a new niche where there is no immunity among animals, it just RIPS through them," says FAO expert Keith Sumption.
结果表明,剥除鳞片的越冬芽是无患子快速繁殖最理想的外植体。
The results indicated that the best explant was the surmount-winter bud whose scales were peeled for rapid propagation.
无些接近毁灭的珍稀家生动物该当被收捕、人工喂养及繁殖。
Certain rare wild animals that are going to be extinct should be collected, fed and reproduced artificially.
除了传统的有氧或无氧发酵外,别的方法也可以用来繁殖微生物。
Besides the traditional aerobic or anaerobic fermenter, other approaches can be used to grow microorganisms.
结论,该络合碘消毒液对细菌繁殖体和真菌杀菌效果较好,毒性低、无刺激性,性能稳定。
Conclusion: This iodine complex disinfection solution has good efficacy in killing vegetative forms of bacteria and fungi and low toxicity, and is non-irritating and stable.
本文以无刺大果沙棘—太阳品种的幼嫩器官为组织培养的繁殖材料,研究了无刺大果沙棘的组织培养技术。
Using the organ of nonthorny big fruit seabuckthom as the experimental material, this paper studied the technology of the tissue culture of nonthorny big fruit seabuckthom.
北京amf海水农场,是中国领先的海水观赏鱼和无脊椎动物繁殖机构。
Beijing AMF Aqua Farm is the leading Marine ornamental fish hatchery in China.
指出,隧道内无阳光照射,气温变化小,空气流动性差,阴暗潮湿的环境有利于微生物生长繁殖,并可能影响隧道内作业工人、列车司乘人员和旅客的身体健康。
In tunnel, there had no sunshine, temperature' change was small, and the mobile air was little. So the environment was suitable for the growth of bacterium. It was bad for human's heath.
结果解决了眼镜蛇人工驯养繁殖的技术难题,如眼镜蛇自动采食、无冬眠、蛇病的防治、异地杂交提高眼镜蛇的质量及产量等。
Well-trained scientific researchers observed the biological characteristics of Naja naja, documented the experience of domestication, management, disease control and prevention.
结果解决了眼镜蛇人工驯养繁殖的技术难题,如眼镜蛇自动采食、无冬眠、蛇病的防治、异地杂交提高眼镜蛇的质量及产量等。
Well-trained scientific researchers observed the biological characteristics of Naja naja, documented the experience of domestication, management, disease control and prevention.
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