诱导物

Chiral ligands mentioned above and their complexes with acetate copper were used as enantio-selective catalysts in asymmetric cyclopropanation reactions of diazoacetate and 1,1-diphenyl ethylene. Investigations indicate that all of them reveal certain optical-selective capability, but chiral C2-symmetric 2,6-bispyridine ligands show better catalytic capability than chiral asymmetric schifF-base ligands.

选择了2个手性2，6-吡啶双噁唑啉配体和6个手性不对称席夫碱配体与醋酸铜形成的配合物作为催化剂，对重氮乙酸乙酯与1，1-二苯乙烯不对称环加成进行催化反应，发现这8个催化剂对1，1-二苯乙烯的不对称环丙烷化反应都表现出了一定的光学活性诱导能力，手性2，6-吡啶双噁唑啉-铜类具有比手性Schiff碱-铜类更好的催化性能。

Cinnamomea, antrocamphin A was purified from previous ethanol extraction using bioactivity-guided fractionation. As results, the antrocamphin A could significantly inhibit NO and PGE2 autacoids production in LPS-induced RAW 264.7 macrophage cells. Meanwhile, the mRNA and protein expression levels of iNOS and COX-2 were inhibited by antrocamphin A in a dose-dependent manner. Antrocamphin A also reduced the translocation of NF-κB induced by LPS, which was associated with the prevention of the degradation of I-κB, and subsequently decreased p65/p50 proteins level in the nucleus. This is the first report demostrating the A.

接著并以活性为导向的分离策略，从樟芝子实体乙醇抽出物中分离出具抗发炎活性成分antrocamphin A，续利用LPS诱导小鼠巨噬细胞（RAW 264.7）产生发炎的模式，解析antrocamphin A之抗发炎机制，结果证实antrocamphin A确可有效抑制一氧化氮自由基和前列腺素的生成，透过蛋白质表现分析得知，antrocamphin A之抗发炎活性是经由抑制一氧化氮生成酵素和第二型环氧酵素的mRNA表现，进而抑制了一氧化氮生成酵素、第二型环氧酵素和核转录因子-κB等酵素之表现。

The LD50 of acute toxicity to mice and chronic accumulated toxicity to bandicoots of crude and processed Radix Aristolochice were observated.Intestinal and myokinetic influence of normal and revulsive hyperactive gastrointestinal motility of mice induced by neostigmine were observated by giving aqueous extract and alcoholic extract of crude and processed Radix Aristolochice.Relieving pain and eliminating inflammation to mice also were observated .

采用小鼠急性毒性和大鼠蓄积性毒性方法观察青木香炮制前后对小鼠急性毒性LD50和对大鼠的慢性蓄积性毒性作用；观察了青木香炮制前后的水煎剂和醇提物对正常和新斯的明诱导的胃肠运动机能亢进小鼠肠肌运动的影响；并观察了对小鼠的镇痛和抗炎作用。

The polyamine analogue BENS inhibits growth and induces apoptosis of melanoma B16-F1 cells.

多胺类似物BENS抑制黑素瘤B16-F1细胞生长，并能诱导该细胞凋亡，具有潜在的临床应用价值。

The dark bands alternating with light bands,relatively stable and R-band-like structure was showed on the pachytene bivalents of Rics-field eelby using the random-primed in situ digoxigenin-labelled DNA synthesis technique,and the results were analysed and discussed in detail.

在黄鳝二价染色体上，运用地高辛配基标记的随机引物原位DNA合成技术诱导出了明暗相间、基本稳定且类似于R带的带状结构。本文对该结果进行了较详细的分析和讨论。

Objectives To investigate the mechanism of generation of L-form of M.tuberculosis and its significance on the development,diagnosis and treatment of tuberculosis. Methods M. tuberculosis was inoculated into the non-high osmotic medium with rifampin, isoniazid or ethambutol and then the L-form was observed by microscopy daily.

目的 观察常用抗结核药物对结核分支杆菌L型的诱导作用以及结核分支杆菌L型在非高渗透压培养基内的某些特性及其抗菌药物敏感性，探讨结核分支杆菌L型形成的机制及其在结核病的发生、诊断及治疗上的意义。

Pesticides were extracted from tea with hexane-acetone (volume ratio is 1:1) in an ultrasonic bath and cleaned up on a Florisil and neutral alumina column, then were determined by gas chromatography with negative chemical ionization mass spectrometric detection in the selected ion monitoring mode, and with heptachlor epoxide as the internal standard. Spiked blank samples were used as standards to counteract the matrix effect observed in the chromatographic determination.

茶叶试样用V/V=1/l混合提取剂超声提取，经Florisil矽藻土和中性氧化铝混合层析柱净化后，以环氧七氯为内标物，采用GC-NCI-MS的选择离子监测方式分析；探讨了茶叶试样的基体诱导色谱响应增强影响所产生的分析误差及其减小的措施，用空白试样基体匹配校准曲线法定量分析。

Thermochemical Hole Burning memory uses the STM heating effect to induce a localized thermochemical decomposition of Charge Transfer Complexes, evolving the low-boiling point donor component and creating nanometer-sized holes on the crystal surface. In this thesis, we focus our research on the material synthesis and storage mechanism of THB memory.

热化学烧孔(Thermochemical Hole Burning，THB)技术是基于STM的超高密度信息存储技术，它利用STM针尖产生的隧道电流或场发射电流的焦耳热效应，诱导二元电荷转移复合物材料发生局域热化学气化分解反应，使低沸点组分从样品表面逸出，形成纳米尺度的信息孔。

Based on studies about current development of Methods of separating meiofauna, a new method is advanced in this paper. A suit of device was designed to Separate meiofauna from benthic sediments sample automatically, accurately and efficiently, which based on the technology of Laser-induced Fluorescence Detection, and used other technologies, such as noctilucence, electronics, biophysics, computer, mechanism, and so on. The scheme of macrocosm, the design of light route, the hardware and software design of the photoelectricity detection system and machine control system, the method of signal processing are introduced, especially the hardware and software design and the method of signal processing.

论文分析了目前国内外所使用的小型底栖生物分离方法现状，并以此为基础，自主开发了一套基于激光诱导荧光技术，并且集荧光化学技术、电子物理技术、光电测量技术、计算机技术及机械技术为一体的小型底栖生物标本自动分离系统，实现了从沉积物样品中自动分离小型底栖生物标本，从而大幅度提高室内小型底栖生物分样的工作效率和精度的目的，并以此完成了大洋协会&十五&攻关项目：&小型底栖生物标本自动分离系统研制&。

N-methyl-N＇-nitro-N-nitrosoguanidine was used as a known teratogen to induce cleft palate in ICR mice and a suppression subtractive hybridization technique was applied to identify differentially expressed genes which related to cleft palate in ICR mice.

方法以甲基亚硝基胍为受试物诱导腭裂动物模型，采用抑制消减杂交技术从全基因组水平上对MNNG致腭裂相关差异表达基因进行筛选。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。