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This paper focused on the change of DMS and its precursors during mashing ,and the effect of mashing variable on the DMS of wort.

研究了糖化过程中二甲基硫及前体的变化，糖化工艺参数对定型麦汁中DMS及前体的影响。

Rat ventral mesencephalic precursors can be induced to differentiate into plenty of tyrosine hydroxylase-positive DNs, mainly originating in A10 regions.

大鼠腹侧中脑多巴胺能前体细胞可在体外大量诱导分化成TH阳性的主要源自A10区的多巴胺能神经元。

MAIN OUTCOME MEASURES: Morphologic changes of differentiated ventral mesencephalic precursors; Expression of DN-related common marker genes before and after the induced differentiation.

主要观察指标：①多巴胺能前体细胞诱导分化后形态变化。②常见多巴胺能神经元标记基因在诱导分化前后过程中的表达。

BACKGROUND: A series of studies have demonstrated that ventral mesencephalic dopamine precursors may differentiate into considerable dopaminergic neurons available for cell transplantation for Parkinson's disease.

摘要背景：一系列研究表明，腹侧中脑多巴胺能前体细胞可在体外经人工诱导分化为大量多巴胺能神经元，有望用于移植治疗帕金森病，但是其分子特征尚不明了。

Rat ventral mesencephalic precursors can be induced to differentiate into plenty of tyrosine hydroxylase-positive DNs, mainly originating in A10 regions.

大鼠腹侧中脑多巴胺能前体细胞可在体外大量诱导分化成酪氨酸羟化酶阳性的主要源自中脑腹侧被盖区(A10)的多巴胺能神经元。

With the steady research and development of novel metallorganic precursors, the MOCVD film fabrication technique for ferroelectric thin films has experienced a rapid development in recent years.

随着新型MO源的不断研究与开发，利用MOCVD技术制备高质量铁电薄膜材料得到了快速的发展。

LNO films from metalorganic precursors have revealed some attractive advantages such as lower grown temperature (~530℃), dense and uniform surface morphology and excellent metallic conductivity.

在薄膜热处理工艺的研究中首次发现：在热分解及LNO的晶化过程中，薄膜中的氧扩散是影响LNO薄膜的结晶温度和导电性能的关键因素。

For the first time, conductive LaNiO〓 thin films have been successfully prepared by metalorganic decomposition using 2-ethylhexanoates of lanthanum and nickel as the metalorganic precursors.

近年来的研究表明：铁电薄膜与金属电极的界面失配和扩散是影响铁电薄膜器件疲劳特性的重要因素，具有与铁电薄膜同为钙钛矿结构的导电氧化物电极，对改善疲劳现象具有显著的作用（疲劳寿命从10〓提高到10〓）。

The ratio of donor to acceptor can be well controlled by appropriate design of the monomeric precursors.

藉由单体的精心设计，给体与受体在高分子中之比例可以被良好的控制。

Long-chain branched polyethylene was obtained using a homogeneous bianary catalyst system composed of late and early transition metal complexes,namely a mixture of bis(α-naphthalidine)-2,3-butanediimine NiBr2 and Cp* TiCl3,as catalyst precursors in the presence of MAO.

合成了一种后过渡金属镍化合物 [二- N ，N′--2 ，3-丁二亚胺镍二溴化物 ][C10H7—NC(CH3)C(CH3)N—C10H7]NiBr2，此化合物在MAO活化下催化乙烯聚合能得到含有末端双键的低分子量聚乙烯，即长链α-烯烃。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。