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Both crystallographically unique Zn atoms exit as an octahedral geometry. The four equatorial positions of Zn1 atom are occupied by the carboxylate-oxygen atoms of the two tartrates, and the two oxygens of the left four carboxylate-oxygen atoms coordinate to two different Zn2 atoms, respectively, forming infinite coordination polymer chains. The left two of the trans equatorial positions of Zn2 atom are completed with two oxygen atoms of two water molecules. The axial positions of both Zn atoms are occupied by the nitrogen atoms from different 4,4'-bipyridine molecules to give a 2D rectangular-grid layers with a cavity dimension of 0.51165(3)nm×1.13896(5) nm. A three dimensional network is formed by the crystallization water chains joined by the carboxylate-oxygen atoms through hydrogen-bonding interactions.

两个晶体学独立的Zn原子均为八面体构型,其中Zn1原子赤道配位点被2个酒石酸根中的4个羧酸根氧螯合配位, 2个酒石酸根中剩下的4个羧酸根氧中的2个分别与2个Zn2原子连接形成无限一维链, Zn2原子的另外2个反式赤道配位点被2个水分子氧占据,同时这两种Zn原子的轴向配位点均被4,4'-联吡啶的氮原子占据,形成具有矩形格子[0.51165(3) nm×1.13896(5) nm]的二维层状结构,游离的2个水分子通过氢键作用形成二聚体,并与酒石酸根中未与Zn配位的羧酸氧连接,把二维层状结构连接成三维网状的超分子结构。

The correlations of eleven floral and fruit quantitative traits of Liriodendron interspecific hybrids(L. chinense×L. tulipifera) and its parent species were analysized.The aglycone and glycoside of flavonoid and carotinoids of perianth segment in the three groups were studied qualitatively and quantatively by high performance liquid chromatography.The results were as followed: The aglycone such as cyanidin, 6-hydroxyflavone and trans-chalcone and the glycoside such as glucose, rhamnose and galactose were discovered in Liriodendron interspecific hybrids and Liriodendron chinense,carotinoids such as lycopene and β-carotene were also discovered.

本文对鹅掌楸、北美鹅掌楸和杂交F_1的花果共11 个数量性状进行分析,并应用高效液相色谱对上述三大类群花被片类黄酮糖苷配基和结合糖及类胡萝卜素进行了定性和定量研究,结果如下:鹅掌楸和杂交鹅掌楸花被片类黄酮糖苷配基为花青素、6-羟基黄酮和反式查尔酮,糖苷配基结合糖为葡萄糖、鼠李糖和半乳糖;类胡萝卜素为β-胡萝卜素和番茄红素。

Three new chromophores and 4 nitro benzoic acid 2 {4 [2 (4 dimethylamino phenyl vinyl] phenyl} ethylamino ethyl ester have been synthesized and the structures have been characterized by 1H NMR, IR and elemental analyses.

作者中文名:延云兴;陶绪堂;杨家祥;王东;于晓强;赵显;蒋民华摘要:合成了反式-4-[N-(乙氧基羰基-4-硝基苯基)-N'-乙基氨基]-4'-二苯乙烯和三个新有机化合物。

The key problem is to synthesize high stereoselectively trans- 2,5- disubstituted tetrahydrofurans.

高立体选择性合成反式-2,5-二取代四氢呋喃是期待解决的关键问题。

It's pointed out that in the design of a weapon system, a collimating prism box should be installed behind the electro-optical instrument, if the condition is permitted, to control the electro-reticule generator or other functional elements added in the circuit, and make the weapon system realize the automatic collimation during flighting or driving.

指出在武器系统的设计中,如果条件允许,可在光电仪器的后方设置一个校准棱镜箱(或折反式自准凹面镜组件),以便在控制电路中加入电十字线跟踪产生器等功能单元,使武器系统实现行进间或飞行中自动校准。

It's pointed out that in the design of a weapon system, a collimating prism box should be installed behind the electro-optical instrument, if the condition is permitted, to control the electro-reticule generator or other functional elements added in the circuit, and make the weapon system realize the automatic collimation during flighting or driving.

指出在武器系统的设计中,如果条件允许,可在光电仪器的后方设置一个校准棱镜箱(或折反式自准凹面镜组件),以便在控制电路中加入电十字线跟踪产生器等功能单元,使武器系统实现行进间或飞行中自动校准。标签光电仪器光轴自动校准 electro-optic instrument light axis auto-collimation

The apoptosis was evaluated by AQ-stained fluorescin,and apoptosis index was measured by flow cytometry.

已有研究表明,全反式维甲酸能诱导多种癌细胞凋亡[2,3],对甲

Different plant expression vectors had been respectively transferred into upland cotton cultivars Jinman12, Jinmian7, Xinluzao1 and Jihe321 via Agrobacterium tumfaciens transformation. These vectors carried cryIAc3 gene, which encodes Bacillus thuringiensis δ-endotoxin, under the control of chimeric OM promoter, CaMV 35S promoter, and cotton leaf curl virus RP promoter respectively; snowdrop lectin gene (Galanthus nivals agglutinin, gna) trans-regulated by rolC promoter controlled TGAla factor; and multivalent expression construct of both cryIAc3-cpti fusion gene and gna gene. A large number of transgenic plants and their progenies had been obtained.

为了提高外源基因的表达量,延缓害虫产生耐受性,本文通过将携带有分别在高效复合OM启动子,CaMV35S启动子及棉花曲叶病毒RP启动子控制下的苏云金杆菌杀虫毒蛋白基因cryIAc3;反式调节因子增强韧皮部表达的雪花莲外源凝集素(Galanthus nivals agglutinin,GNA)基因;以及同时含有cryIAc3、豇豆胰蛋白酶抑制剂基因和gna三价抗虫基因的植物表达载体,以根农杆菌介导法分别将这些表达载体导入了陆地棉新陆早1号、晋棉7号、晋棉12号和冀合321等我国西北棉花主要栽培品种,经体细胞胚再生获得了大批转基因再生植株。

Chapter 2 has analysized the conversly synthetic means of solanesol and designed novelly synthetic routes of solanesol and key intermediate Chapter 3 has summarized the preparation of trans-3-methyl-4-hydroxy (bromo-2-butenyl oxy methyl benzene In chapter 4 ,a novel technology of important intermediate(all trans-8-bromo geranyl acetate),which is suitable for industrial procedure , was found .meanwhile,an another new way has been invented ,of which the key intermediate (all trans-8-hydroxy geranyl acetate) has been produced.

第二部分分析了茄尼醇的逆合成方法,设计了一条适合于合成茄尼醇的合成路线及其重要中间体的合成路线。第三部分研究了重要中间体[Trans-3-甲基-4-羟基-2-丁烯基乙酰基(苄基,2,3-二氢吡喃基)醚]的合成新方法,找到了一条适合于工业化生产的制备反式-3-甲基-4-羟基-2-丁烯基苄基醚的新方法。第四部分研究了重要中间体[-3,7-二甲基-8-羟基-2,6-辛二烯-1-醇乙酸酯、-3,7-二甲基-8-溴-2,6-辛二烯-1-醇乙酸酯]的合成新方法,找到了一条适合于工业化生产的制备它们的新方法;同时研究了一条制备-3,7-二甲基-8-羟基-2,6-辛二烯-1-醇乙酸酯的另一新方法。

Hepatitis C virus infection of human hepatoma cell line 7721 in vitro[J].

丙型肝炎病毒非结构蛋白NS3反式激活基因6的克隆化研究[J]。

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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47:5 法老对约瑟说,你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

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Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...

嘿大乌鸦,个别谎言的事不要再-其所有的组织的谎言,在支持。