骨架

With cellulose as the skeleton, gelatinized cassava starch solution and tungsten carbide were used as porogenic agent and inert densifier, respectively. The matrix prepared showed good sphericity and a logarithmic symmetrical distribution of particle size.

取得的主要结果如下：纤维素基复合层析基质的物理功能化：以再生纤维素为骨架，碳化钨粉末为增重剂，糊化木薯淀粉为制孔剂，采用&反相悬浮热再生法&和成球后去除淀粉方法，成功制备了纤维素/碳化钨复合微球，可用作层析介质的基质。

Amorphous alloys were used as catalysts for the dehydrogenation oxidation of diethanolamine to produce iminodiacetic acid.

以非晶态合金制备的骨架铜作为催化剂，对二乙醇胺脱氢氧化制备亚氨基二乙酸的新工艺进行了研究。

Two oleanane type triterpenes were isolated from the crude drug Lu Lu Tong , the fruits of Liquidambar formosana and their structures were elucidated as 2α,3β dihydroxy 23 norolean 4(24), 12(13) dien 28 oic acid(1), 2α,3β,23 trihydroxyolean 12(13) en 28 oic acid(2), based on 13 C NMR, DEPT, 1H NMR, 1H 1H COSY, 13 C 1H COSY, IR, MS and elemental analysis.

从生药路路通分离得到2个齐墩果烷骨架的五环三萜类化合物。通过13CNMR，DEPT，1HNMR，2D1H－13CCOSY，2D1H－1HCOSY，IR，MS和元素分析阐明了它们的结构。（1）为2α，3β－二羟基－23－去甲－齐墩果－4（24），12（13）－二烯－28－羧酸，（2）为2α，3β，23－三羟基齐墩果－12（13）－烯－28－羧酸，（1）未见文献报道，（2）是首次从这一植物中分离得

Studing on samarium diiodide promoted asymmetric intramolecular reducing coupling reactions, we have made the resolution of the racemic biaryl dials by using enantiomeric N-tert-butanesulfinamine as the resolving reagent successfully and thus obtained a series of axially chiral biaryl dials with high enantiomeric excess.

中文摘要在二碘化钐促进的分子内不对称还原偶联反应中，我们不仅对联芳基二醛底物的合成路线进行了优化，还发现N-叔丁基亚磺酰胺辅基可以作为手性试剂，成功地对联芳基骨架二醛化合物进行拆分，得到高对映体过量的轴手性二醛类化合物。

A Raney nickel catalyst for hydrogenation of dodecyl dinitrile to dodecyl diamine was chosen on the basis of experiment.

通过试验，优选了十二碳二腈加氢制十二碳二胺用骨架镍催化剂。

As an avian-line archosaur and a member of the Silesauridae, which is here considered the sister taxon to Dinosauria.

&西里龙&的一个新属和新种的一个近乎完整的骨架的发现，将三叠纪中期爬行动物化石记录中一些松散环节联系了起来。

Dismountable galvanized floor grating, anti-slip type bolted to metallic profiles frame in correspondence of the pump room and of the side cofferdams.

在和泵房及边隔离舱对应的金属骨架上用螺栓固定防滑、可拆式的镀锌花铁板。

As a part of a search for new antitumor agents from Chinese medicinal plants, the roots of Salvia prionitis, collected in Jiangxi Province, was investigated. From the roots of this plant, a new diterpene, saprirearine (95), a new anhydride-type compound, saprionide (96), a new 7, 8-seco-abietane diterpene derivative, 7, 8-seco-paraferruginone (99), and a new 4, 5- seco-5, 10-friedo-abietane diterpenoids, 3-keto-4-hydroxysaprorthoquinone (102), have been isolated along with 6 known compounds. Their structures were established by spectroscopic methods and chemical transformation.

在对红根草的乙酸乙酯提取物进行分离，纯化和结构研究中，共得到10个化合物，其中4个是新化合物，3个新化合物具有新颖的重排松香烷型二萜骨架，新化合物99为首次从本属植物中分得的7，8-开环的松香烷型二萜醌类化合物。

Twenty compounds have been isolated and structure-elucidated, ten of which were new compounds including one new skeleton diterpene malloapeltin A, 5 cembrene-type diterpenes, two dolabradane-type diterpenoids, one triterpene ester malloapeltin B and one coumarinolignoid compound 5'-demethyl aquillochin.

其中有10个是新化合物，包括一个新骨架的二萜，五个枯烯类的二萜，两个罗柏烷型的二萜，一个三萜的对苯二甲酸酯和一个香豆素木脂体类化合物。

The light filtrating properties were studied through the filling of 3D continuous pores with divinyl benzene as a highly refractive liquid.

研究了三维连续孔道在充满二乙烯基苯高折射液体后的滤光特性，通过引入金属离子改变固体材料折射率的方法，验证了光在高折射液相中的全反射效应，并从定性角度建立三维骨架材料的孔径及分布与透射光波长范围之间的关系，对新光学现象给出了初步解释。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐