For reasons unknown their shells are prone to heavy algae growth.
但是由于不知道的原因，他们的背甲上容易生长水藻。
Fertilizer-laden runoff triggers explosive planktonic algae growth in coastal areas.
富含肥料的水流入大海造成了海岸附近水域的水藻大规模生长。
Water Guard prevents water absorption, algae growth, efflorescence and is also UV resistant.
它可防止水份吸收、藻类生长、风化，也能抗防紫外线。
The result is an excess of organic nutrients in the water, which is essentially food for algae growth.
结果是过剩的有机养分的水，其中主要是食品，为藻类生长。
While greening farms worldwide, much nitrogen washes into lakes, rivers, and the sea, causing rampant algae growth.
让世界农场更绿的同时，大量的氮流进了湖泊，河流和海洋，造成了藻类猖獗生长。
To prevent algae growth, make sure that the sun does not directly shine on the water bottle for long periods of time.
为防止藻类生长，确保太阳直接照射水瓶的时间不能太长。
Pollution from sewage or farm waste can cause excess algae growth, starving the water of oxygen and causing fish and other species to die off.
从下水道或者农场里出来的污染水引起藻类的过度生长，造成水里的氧气严重缺失，以至于鱼类和别的物种相继死去。
For lakes, allelopathy for the inhibition of algae growth need further study and extraction of plant allelochemicals could be directly put into water.
对湖泊、水源水，植物化感抑藻作用有待进一步朝着将从植物中提取的化感物质直接施入水体抑制藻类研究。
In addition, the high desert plateau of southwest Colorado is one of the sunniest spots in the nation, providing solar radiation that accelerates algae growth.
此外，西南科罗拉多的沙漠高原是全国日照最丰富的区域，充足的太阳辐射可加速藻类的生长。
It can effectively inhibit bacteria viruses breed of water, inhibit the growth of algae algae growth, prevent spores aquatic animals pathological changes, healthy growth.
它能有效的抑制水中病菌和病毒的繁衍增长，抑制藻类和藻类孢子的增长，防止水生动植物的病变，从而健康成长。
In this paper I have researched on the influence of algae growth under feeble disturbance caused by water level drop by using static model experiment and comparison method.
本论文通过模型实验，采用静态对比的方法，研究水位下降引起的微弱扰动对藻类生长的影响。
If there is a critical velocity of flow which make the algae growth rapidly in Three Gorges Reservoir and tributaries and how to certain it are the urgent problems which should be solved.
库区内的优势藻类爆发生长是否存在临界流速，以及临界流速怎样测定，已经成为一个亟待解决的问题。
According to the monitoring data from conventional monitoring points of the Taihu lake, a 2-d model for algae growth in the lake was developed based on the Riemann approximate solution model.
利用太湖常规监测点的监测资料，在黎曼近似解模型的基础上建立了太湖二维藻类生长模型。
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。
Since the disappearance of sea urchins from the waters up the coast of South Florida, many coral reefs there have been smothered by the uncontrolled growth of algae.
自从海胆从南佛罗里达海岸的海水中消失后，那里有许多珊瑚礁被不受控制生长的藻类所扼杀。
Add iron, the theory goes, and you will promote the growth of algae.
根据理论，在海水中加入铁，可以促进藻类的生长。
ENN is experimenting with different algae to find a hybrid that has an ideal balance of oil content and growth speed.
新奥集团正在尝试几种不同的藻类，以找到油脂合成能力与生长速度兼顾的一种。
A lack of this metal is commonly the brake that stops the growth of planktonic algae.
铁不足是浮游海藻增多最普遍的瓶颈。
In excess levels, nutrients over stimulate the growth of aquatic plants and algae.
数量过多时，滋养物质会过多地刺激水生植物和水藻的生长。
When the water salinity changes, the growth and succession of Marine micro algae would be known from those studies, and those results would help to make success of aquaculture.
这些研究可以了解盐场水体的盐度变化后，海洋微藻的生长和演替状况，有助于盐场海水养殖。
Lichen is a simple plant, which comes from symbiotic growth of algae and epiphyte .
青苔是一种浅根植物，是藻类和真菌共生形成的一种低等植物。
TEM photos show that the growth of algae does not be restrained on the PVA carrier.
透射电镜照片显示，在聚乙烯醇载体上，藻类的生长没有受到限制。
The effect of magnetized water on the growth of single cell algae(SCA) was studied.
本文研究了磁化水对单细胞藻类生长的影响。
Efficient ingredients in algae powder, effects of algae powder on the growth and immune function of the aquatic animal, problems about algae powder additive in aquaculture were reviewed.
本文综述了藻粉的有效成分及对水产动物生长和机体免疫功能的影响，同时提出了其在当前应用中存在的问题。
This article will elucidate the effects of velocity of flow to the growth of algae and discuss importance of the critical velocity of flow in study on the eutrophication of the Three Gorges Reservoir.
通过阐述流速对藻类生长的影响，探讨临界流速在研究及控制三峡库区富营养化过程中的作用和地位。
Results show that algae can absorb product of photo-degradation during the process of growth, and impel the proceeding of photo-degradation.
结果表明，藻类在生长过程中吸收光降解的产物，从而促进光降解反应的进行。
The growth, survival, settlement and metamorphosis of shellfish larvae are influenced by feeding algae from many aspects.
饵料藻类从多方面影响着贝类幼虫的生长、成活、附着变态。
The growth condition of ?Polypedates megacephalus? tadpoles were observed when fed respectively with algae, egg yolk, water flea and eel fodder.
以藻类、蛋黄、水氵蚤和鳗鱼饵料为饵料饲喂斑腿泛树蛙蝌蚪，观察其生长情况。
The growth condition of ?Polypedates megacephalus? tadpoles were observed when fed respectively with algae, egg yolk, water flea and eel fodder.
以藻类、蛋黄、水氵蚤和鳗鱼饵料为饵料饲喂斑腿泛树蛙蝌蚪，观察其生长情况。
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