extraction 考研六级

The key points for extraction of natural edible purpurin and blue pigment are described.

本文详述了天然食用紫色素和蓝色素的提技术和操作要点。

The ephedrin was extracted from the upper layer of xylene extraction solution and sodium c...

下层铜代,酸化,碱化得麻黄卟啉铜钠。

Objective To study extraction of flavonids in hemerocallis citrina baroni and its medical effects.

目的提黄花菜中总黄酮初步观察总黄酮的清除羟自由基和抑菌作用。

The albumin,globulin,prolamin,and glutelin of the protein were obtained by the multiple-step extraction method.

采用分步提法分离集甜荞清蛋白、球蛋白、醇溶蛋白和谷蛋白。

Aim To optimize and establish the extraction technology of antidepressive substances from Hypericum perforatum L.

目的优选贯叶连翘中抗抑郁成分的最佳提工艺。

Intracapsular cataract extraction, the complications such as vitreous prolapse, retinal detachment are more than ECCE.

白内障囊内摘出术,整个晶体连同囊膜一起摘出.发症较多.

In Ziarat FATA quality marble mines exist, and the government has started extraction from there.

FATA地区拥有高品质的矿山资源，现在巴政府开始从这个地区开采石材。

Rapid growth of “mother dendrites” in a given location of a melt at just below the liquidus temperature, that growth being the result of rapid heat extraction from the melt, or from recalescence.

在特定的熔点，以低于液相线的温度快速生成“母晶枝”，这是使熔融金属或复辉快速散热的结果。

Xanthin in corn starch residue is a mixture of fat soluble and water soluble pigments, which are blood red in colour in the pure extraction and lemon yellow in its diluted solution.

利用玉米生产葡萄糖工艺中的淀粉渣提的玉米黄色素,主要成分是一种脂溶性色素和少量的极性较大的色素,呈血红色,其稀释液呈柠檬黄色。

As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N,N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions.

N，N—二苯基甘氨酸对5种金属离子的萃能力强于N—正丁基甘氨酸。

That means the birch from high longitude and latitude areas will have lower content of the ash, extraction and lignin, higher content of the holocellulose and pentosan in the wood.

这表明，选择较高经纬度地区的白桦，可以降低灰分、抽出物、木素含量，提高综纤维素和聚戊糖含量。

Waste derived from human activitirs, such as rapeseed placentiform from the extraction of rape oil;fruit faeces from the extraction of fruit juice;chicken excrement from the scall farming of chickens.

摘要废弃物是人类为满足自身需要的产物，如菜籽饼来自于油菜籽油，果渣来自于水果汁，鸡粪来自于规模化养鸡。

In fixed scale extraction method, no matter choose which scale value, one but numeric and affirmatory, when exceeding change receiving the specified amount, the scale of extraction is indeclinable.

在固定的比例提方法中，无论选哪一个比例值，一但数值定，在超额变化时，提的比例不变化。

Aleuritic is an important raw material in the synthesis of civetone or dihydrocivetone in perfumery industry An extraction process of aleuritic acid from the seedlac was developed.

以颗粒紫胶为原料提紫胶桐酸,在不加入任何有机溶剂的情况下,可得质量分数>98%的紫胶桐酸产品。

It is thought that the people of our hero have passed on their knowledge of extraction of a chemical known as quinine from quina-quina to missionaries.

认为我们英雄的人们已经将他们从奎那-奎那中提一种称为奎宁的化学物质的知识传递给了传教士。

The fat content and the fatty acid compositions in styela clava and dona intestinalis from Yantai sea area were analyzed and the extraction technology was studied.

对烟台渤海湾的柄海鞘和玻璃海鞘的脂肪含量及其脂肪酸组成进行了分析,对其提工艺进行了研究。

A method for the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.

采用硅镁吸附剂和硅胶作吸附剂,建了固相萃-高效液相色谱法同时测定苹果中残留的克菌丹和灭菌丹的分析方法。