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The method comprises: utilizing arctiin as the precursor compound, and converting arctiin into 4, 4'-dihydroxy enterolactone by intestinal bacteria in an anaerobic condition. 4, 4'-dihydroxy enterolactone is lignin compound, and can be converted into phytoestrogen in human intestinal canals.

本发明是以牛蒡苷为先导化合物，在厌氧条件下，以肠道细菌将牛蒡苷转化为4，4′-二羟基肠内酯。4，4′-二羟基肠内酯为木脂素类化合物，在人的肠道中能被转化为植物雌激素―肠内酯而发挥药理作用。

On the basis of the study of the low heating solid state reaction of the above mentioned inorganic compounds with NaOH, a method of preparing nanometer NiO through discomposing the precursor at higher temperature is built, the main factors of influencing the size of product are discussed, and the nanometer NiO particles whose average diameter are 5nm and 25nm are prepared respectively.

以无机化合物与NaOH的低热固相化学反应的研究为基础，建立了低热固相反应—高温分解法制备纳米NiO的工艺，研究了影响粒子粒径大小的主要因素，制得了平均粒径分别为5nm和25nm的纳米NiO产品。

Symmetrical six-horn nickel diselenide nanostars were firstly synthesized with selenium powder as precursor but without any external reducing agents. Each nanostar consisted of a central core and six symmetrical nanohorns.

以硒粉为硒源，在无外加还原剂的条件下首次合成了六角星状二硒化镍纳米晶，每个纳米星具有一个中心核和六个对称纳米角。

Mimetic dolomization, where the precursor fabrics are excellently preserved, has important implications on interpreting the genesis of dolostone with original fabrics preserved.

泥晶白云岩化作用可以保留原矿物的晶形、原岩的微细组构，对解释地史时期保存原生构造的白云岩具重要的启示。

Dult precursor B2ALL with BCR/ ABL gene rearrangements displays a unique immunophenotype based on the pattern of CD10 , CD34 , CD13 and

ML1/ ETO 融合转录因子在白血病患者化疗及骨髓移植后的追踪观察。中国实验血液学杂志，2001 ；

The nanoTiO2-CNT-PtNi complex catalysts were prepared by the direct hydrolysis of electrosynthetic precursor Ti4 and electrochemical scan electrodepositing method.

采用电合成前驱体Ti4直接水解法和电化学扫描电沉积法制备纳米TiO2-CNT-PtNi复合纳米催化剂。

During this period, he acted in the role of Kes' father for a foot massage that served as the precursor to the mating ritual, but Kes subsequently decided not to have a child at that point, and in any case her elogium was subsequently ended when they left the aliens' territory.

在这期间，他充当Kes父亲的角色，进行足底按摩作为交配仪式，但最终Kes在那个时候决定不要孩子。

In this article we only analyze and report the precursor wave from the epicentral area, especially the characteristics of its propagation.

本文将主要分析报道来自震源区的这种前兆波，特别是其传播特性。

The efficient synthesis of 2 (12 aminotridecyl)pyrrolidine (1), a new defensive alkaloid of Mexican bean beetle, Epilachna varivestis, has been achieved by employing the Wittig reaction as key step and 1 bromo 11 ethylenedioxyundecane as precursor of phosphonium bromide.

2- (12 -氨基十三烷基)吡咯烷(1)是从墨西哥大豆瓢虫 Epilachna varivestis中分离的新防卫生物碱。

When methoxyethanol was used as the solvent,tantalum ethoxide can be chemically modified with acetic acid to producetantalum alkxo-acylate precursor, and therefore the hydrolysis of 〓can be slowed down.

在以乙二醇单甲醚为溶剂时，乙醇钽与醋酸作用生成乙醇钽的乙酰基配位化合物，可以减弱水解反应的进行。

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％。