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They have inherited altered genes that do not make the usual amounts of a pigment called melanin.

他们继承了变异基因，不使正常数量的颜料称为黑色素。

At the same concentrations of saccharose , the lactic acid accumulation amounts of the treatments with inoculation are lower than those of the controls , and in controls methylamine is detected because of the decomposition of protein by pathogenic bacteria , but in treatments of inoculation they are not detected .

相同蔗糖浓度下，接种处理的丁酸积累量均低于对照，不接种对照处理中均检测到了腐败菌分解蛋白质产生的甲胺，而接种的则没有。

PCR is very sensitive, allowing a single molecule of target DNA to be amplified to microgram amounts of DNA.

PCR十分敏感，可以从一个DNA分子扩增到微克的量。

We establish a microtechnique developed from cytochrome C spreading methods allowing the detection of minimal amounts of DNA through a calibrated composition of buffer、denaturing agents and cytochrome C in an extremely small volume of spreading mixture.

将变性剂脲、乙二醛、甲酰胺引入展开过程，我们在国内首次建立了可检测1×10〓--2×10〓ug以下量DNA样本的微量展层技术，能较好地展开dsDNA及ssDNA分子，DNA形态及长度与经典技术所制样本相似。

Moa bones have been found in the midden locations (these are where huge amounts of cooking remains are found) around New Zealand.

莫阿骨骼中也发现有粪堆地点（这些都是在大量的烹饪仍然被发现）在新西兰。

The Chinese grass carp is one. It eats large amounts of water milfoil and other weeds that grow under the water surface.

中国草鱼即是一例，它能吃掉大量狐尾草之类的长在水面下的杂草。

The Chinese grass carp is one. It eats large amounts of water milfoil and other weed s that grow under the water surface.

中国草鱼即是一例，它能吃掉大量狐尾草之类的长在水面下的杂草。

Amounts of 0.1 g- 1 g of the sample powder which had been fat-extracted were used to get the millivolt of the solution.

用去掉脂肪的样品粉末的0.1到1g来测定溶液的微伏。

The mineral content correlates with the sugar-free extracts and amounts to about 10 % of this value.

矿物盐的含量和果汁中无糖浸出物含量相关，总量大约是无糖浸出物的10%。

Once established, buffalograss requires miniscule amounts of water, fertilizer, and pesticides.

建植后的野牛草对水、肥和杀虫剂的要求非常低。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。