查询词典 biological method

The chemical composition research aspect literature report are extremely few: According to reports, the root of Rosa davurica pall includes the lactone, the tanning substance, the return to original state sugar, the total lucoside, the flavanone, the phenol class, the biological alkalis, the protein, the anthraquinone equi com ponent, moreover ,the total polysaccharide is the even polysaccharide which is composed by the fructose.In 1999, for the first time from puncture the root in the alcohol extraction to sep arate Oleanic acid. And used the double wave length thin layer scanning method to determine the uneven pillar tartaric acid in to puncture in the root ontent.

化学成分研究方面文献报道极少：据报道，山刺玫根中含有内酯、鞣质、还原糖、总苷、黄酮、酚类、生物碱类、蛋白质、蒽醌等成分，而且山刺玫根中总多糖是由果糖组成的均多糖。1999年，首次从刺玫根的乙醇提取物中分离出齐墩果酸，并采用双波长薄层扫描法测定了齐墩果酸在刺玫根中的含量。

Four crossbred barrows were used to evaluate the nutritional value of Pyrethrum cinerariioflium Trev residue. The conventional method of collecting feces and urine was used to determine the apparent digestibility of organic nutrients, apparent digestible energy, N retention and apparent protein biological value of PCTR on two periods (20-50kg BW, 60-90kg BW).

选取健康、胎次相近的约克×长白×撒坝三元杂交阉公猪4头，采用全收粪法，对试验猪在体重20~50㎏和60~90㎏两个阶段饲喂除虫菊花渣日粮，分别测定了其养分表观消化率、消化能和蛋白质生物学价值。

To understand how to use differential centrifugation to separate organelle and biological molecular;microspectrophotometry;immunofluorescence technifue and immune electron microscopy;in situ hybridization; aser scanning confocal microscopy;the method to show the nucleic acid、protein、enzyme、glucide and lipid; negative staining; freeze etching and quick freeze deepetching; flow cytometry.

了解用超速离心技术分离细胞器与生物大分子；显微分光光度测定技术；免疫荧光技术与免疫电镜技术；原位杂交技术；激光共焦点扫描显微镜技术；细胞内核酸、蛋白质、酶、糖类与脂质等的显示方法；负染色技术冷冻断裂和冷冻蚀刻电镜技术；流式细胞仪。

Two representative compounds have been determined by X-ray crystallography. The best ratio of reactants, the adequate reaction temperature and solvent have been found by contrast experiments.4. The better photoreaction conditions and irridation times have been confirmed through the different photoreaction results. It is the first time that fifty quinazoline derivatives with biological activity and four photooxidation products with urea functional groups have been obtained by photochemistry method. Two representative compounds, quinazoline derivatives and photooxidation products, have been determined by X-ray crystallography, respectively.

通过实验对比我们找到了较佳的反应物的投料比、反应温度和反应所用的溶剂。4、根据不同条件下的光反应结果，确定了硫脲衍生物的相对较好的光反应条件和光照时间，首次利用光化学手段成功得到50个具有生物活性的喹唑啉衍生物和4个具有脲基官能团的光氧化的产物，测定了两个具有代表性的喹唑啉和光氧化的产物的晶体结构。

Objectives:To study develop a simple method of preparation of high-P_(50) hemoglobin oxygen carriers by oxidized raffinose,and to preliminary study its biological effects activity.

目的：研究一种简便的制备棉籽糖聚合高P_(50)血红蛋白类氧载体的方法，并对其生物学效应进行初步的研究。

the genetic algorithm is a kind of natural selection from biological and natural genetic mechanisms of random search algorithm, it is different from the traditional method.

遗传算法是一种借鉴生物界自然选择和自然遗传机制的随机搜索算法，它与传统的算法不同。

The results showed that this method is of high sensitivity, rapidity and simplicity, and could be widely used in the field of biological analysis.

结果表明，该方法灵敏度高，分析快速、简便，在生物分析中具有广阔的应用前景。

There was no loss of biological activity of LL-EPO after labelling as determined by reticulocyte counting method.

离心超滤法分离纯化标记蛋白，与通常应用的凝胶过滤纯化法进行了比较。

Article 20 An enterprise shall, at least at the end of each year, have a check on the useful life, expected net salvage value, and depreciation method of the productive biological assets.

第二十条企业至少应当于每年年度终了对生产性生物资产的使用寿命、预计净残值和折旧方法进行复核。

Article 20 An enterprise shall, at least at the end of each year, review the useful life, expected net salvage value, and depreciation method of the productive biological assets.

第二十条企业至少应当于每年年度终了对生产性生物资产的使用寿命、预计净残值和折旧方法进行复核。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。