如果锌如此缺乏，硅藻是如何生存的呢？
就在沙子被涨潮淹没之前，硅藻再次钻入。
Just before the sand is inundated by the rising tide, the diatoms burrow again.
例如，往返于通勤硅藻只在白天出现低潮时出现。
Commuter diatoms, for example, emerge only during those low tides that occur during the day.
然而，当在实验室的恒定条件下观察硅藻时，它们仍然表现出周期性的行为，继续按计划挖掘几个星期。
However, when diatoms are observed under constant conditions in a laboratory, they still display periodic behavior, continuing to burrow on schedule for several weeks.
这种硅藻，有时被称为“通勤硅藻”，在涨潮时留在沙土中，在白天退潮时出现在沙土表面。
Diatoms of this species, sometimes called "commuter" diatoms, remain burrowed in the sand during high tide, and emerge on the sand surface during the daytime low tide.
硅藻土是由蜂窝状的细胞壁形成的。
该反应使硅藻土晶粒在几秒钟内和相对较低的温度下生长。
The reaction lets kesterite grains grow within a few seconds and at relatively low temperatures.
在产油方面，硅藻可能还有其他优势。
Diatoms may have other advantages when it comes to oil production.
硅藻种类也相当多，估计超过1百万种。
Diatoms are also quite numerous, with the estimated number of species exceeding one million.
而暗绿色的则可能是硅藻。
消费者该如何辨识真假硅藻呢？
常用的助滤剂有硅藻土，纤维素等。
硅藻泥能吸收甲醛？
由硅藻土残留物的通常用来作为过滤材料的轻质土。
A light soil consisting of siliceous diatom remains and often used as a filtering material.
研究人员提议生产一种充满硅藻而不是光伏电池的太阳能生物面板。
The researchers propose creating a biological solar panel, which will contain diatoms instead of photovoltaic cells.
这种硅藻土是由破碎、磨细并筛分的烧过硅藻土生产的。
It is produced by crushing, grinding and screening of burnt diatomite products or their breakage.
硅藻类的营养细胞是二倍体，它是由配子融合直接产生的。
In diatoms the vegetative cells are diploid, and are formed directly by the fusion of gametes.
他解释说：“硅藻生物燃油比普通柴油具有更高的能量密度。”
'Algaes have more energy content than the equivalent diesel fuel,' he explained.
硅藻土(下文简称DE)是一种被称为硅藻的石化单细胞海藻。
Diatomaceous earth (which we shall hereby call DE because it's a lot easier to type) is the fossilized remains of single-celled algae called diatoms.
它的五颜六色效果是由于硅藻的像玻璃外壳包围着机体的二氧化硅细胞壁。
The colorful effect is due to the diatom's silica cell wall, which encases the organism like a glassy shell.
该机组由过滤主机、硅藻混合罐、硅藻土定量添加装置等组成。
The filter consists of filter main machine, diatomite mixing tank, diatomite ration adding equipment.
其中常见的种类是蓝藻、二氧化硅包裹硅藻、甲藻、绿藻和白垩涂层颗石藻。
Among the common kinds are cyanobacteria, silica-encased diatoms, dinoflagellates, green algae, and chalk-coated coccolithophores.
硅藻繁殖迅速，有些硅藻物类仅5个小时就能让其生物量翻一番。
They multiply rapidly—some species double their biomass in as little as five hours.
他和他的同事们一直在讨论用太阳能板提取硅藻油，而不是用它来发电。
He and his colleagues have been talking about a solar panel that could extract this oil instead of producing electricity.
在寻找含油量最高的硅藻品种的过程中，他在印度发现了3个新的物种。
He discovered three new species in India while hunting for those with the most oil content.
Ramachandra和他的同事们提出通过控制产油基因来提高硅藻的油产量。
Ramachandra and his colleagues propose to genetically modify diatoms by manipulating the genes that produce oil so that they enhance its production.
由于油的作用是营养储备——就象脂肪似的——所以硅藻没有进化出分泌油份的机制。
Because the oil is used as a reserve nutrient—like fat—diatoms have evolved no mechanism to secrete it.
硅藻已经通过胞外分泌二氧化硅，这是细胞直接把物质分泌出细胞壁的一个生物过程。
Diatoms already secrete silica by exocytosis-a biological process by which cells direct secreted material outside the cell walls.
硅藻泥壁材虽然性能优越，但是其纹理比较粗狂，空间使用受到一定局限。
The diatom mud wall material although superior performance, but its texture is relatively rough, the use of space subject to certain limitations.
硅藻泥壁材虽然性能优越，但是其纹理比较粗狂，空间使用受到一定局限。
The diatom mud wall material although superior performance, but its texture is relatively rough, the use of space subject to certain limitations.
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