等环的

Target compounds have been synthesized by condensation of the aromatic nucleus and amino heterocylcle with acyl isocyanates or acylisothiocyanates in absolutely anhydrous and aprotic solvent.

为了寻找高活性的农药品种，利用生物等排原理和亚结构连接法，对脲类化合物的母体结构进行了修饰，将芳氧羧酸类及吡唑环引入酰基脲母体结构中，利用酰基异氰酸酯与杂芳环胺类化合物在无水非质子溶剂中发生亲核加成反应，合成了四个系列21种新的酰基脲类目标化合物。

In addition, it is to prevent ring, covering ring ring equipment, prevent the eyewinker, dust into the process, prevent the lower power clamp, promoted the vertical milling and durability of the cutting tools.

另外，还装有防止环、覆盖环等设备，防止了异物、粉尘的进入，防止了加工中夹钳力的降低，提升了立铣刀和切削工具的耐久性。

Using cobalt chloride and ferromanganese as precursor of cobalt-based catalyst, the performance of the catalyst for hydroformylation of cyclohexene was studied.

以氯化钴和锰铁合金粉为钴基催化体系的前驱体，研究了该催化剂体系对环己烯氢甲酰化反应制备环己烷基甲醛的催化性能；并考察了溶剂、温度、压力等反应条件的影响。

We have been interested in design and synthesis of macrocyclic lanthanide complexes which are capable of catalytically hydrolyzing phosphodiester bonds. Because of their high thermodynamics stability, low kinetics lability, high coordination numbers, and charge density, macrocyclic lanthanide complexes will be suitable as artificial nucleases.

合成设计能促进磷酸酯键水解的金属错合物，一直是我们实验室很感兴趣的研究领域，尤其是以镧系金属离子大环配位子错合物这方面的研究，因其具有高度的热力学稳定、动力学稳定、高配位数及电子密度等特性，使得镧系金属大环错合物非常适合作为人造水解酶。

An entire analysis on the closed loop system with the controller is presented, including stability analysis, response analysis, parametrical uncertainty analysis, and so on.

最后对开环系统及控制器作用下的闭环系统分别作了一个全面的分析，包括稳定性分析、响应分析等。

A novel type of caged bicyclic phosphorous functionalized silsesquioxane was synthesized from caged bicyclic phosphorous quadridentate silicon complex in the presence of tetramethylammonium hy- droxide. The product was confirmed by FTIR, 29Si MAS NMR, MS and XRD spectra.

以双环笼状含磷四配位硅为前驱体，四甲基氢氧化铵为催化剂反应得到具有高度对称结构的双环笼状磷酸酯取代倍半硅氧烷，通过红外光谱，29Si固体核磁共振谱，质谱和X衍射光谱等手段确定了产物的结构和晶型。

The side chain of thioacetic acid has been sythesized from the material of acetic acid via four steps, then synthesized the key intermediate of 2-hydroxypenem via displacement, P〓induced cyclization and hydrolyzed reaction from the material of azetidinone.

以羟乙酸为原料，经四步反应合成了侧链化合物硫基取代的羟乙酸，发生取代反应导入到经七步合成的单环氮杂环丁酮中，然后发生酰化，Wittig诱导环化，水解等五步反应合成关键中间体2-羟甲基青霉烯。

From its roots, we gained 9 compounds including triterpenes, steroidal glycoside, and fatty acid, a triterpene and a of them are new compounds.

分别对肥牛树的根、茎、叶三个部分的乙醇提取物进行了提取分离工作，从其根中分离鉴定了9个化合物，包括三萜、甾醇苷、酚性化合物、螺环化合物和脂肪酸等，其中有两个新化合物，即一个三萜和一个螺环化合物。

Secondly, the syntheses of functionalized macrocyclic polyamine complexes containing nucleobases, PNA monomer, imidazolium side, crown ether, ferrocenyl side and their interaction with DNA were studies, respectively.

在功能化大环多胺方面，我们合成了含有碱基、PNA单体、咪唑鎓盐、冠醚、二茂铁等功能化基团的大环多胺衍生物及金属配合物，并研究了其与DNA的相互作用。

Nail gun includes F, T straight nails, 4J, 10J, 12J, 10F, 12F, K, 8N, 9N, Q, SB, P, 80,84,97,50,90,92,71,1400,64, 10 8F, 13 / 6,13 / 8, such as U-code nails and HR-22 buckle cloth nails, C-type retainer ring nails, M66 folder code nails, nail seeds frame with P515, the picture frame with V-angle nail, puzzle with waves nailing, sealing screws, ST, FST cement nail, DA oblique nail row, row plastic nails, paper platoon nails, vol nails, nail oil blanket, bed threading Net folder, network folder, such as adhesive tape bed furniture nails , we can also according to different purposes, custom-made for your special specifications or special materials, nail guns, including zinc, copper, copper, stainless steel, medium carbon steel and other materials, to adapt to decoration, furniture, car seat manufacturers , wooden box, wood pallet manufacturing, handicrafts, silk screening, packaging and other industries a full range of necessary.

枪钉类包括F、T直钉，4J，10J，12J，10F，12F，K，8N，9N，Q，SB，P，80，84，97，50，90，92，71，1400，64，10×8F、13/6、13/8等U型码钉及HR-22扣布钉，C型扣环钉，M66夹码钉，画框用P515瓜子钉，画框用V型角钉，拼板用波浪钉，封箱钉，ST、FST水泥钢钉，DA斜排钉，塑排钉，纸排钉，卷钉，油毯钉，穿线床网夹，胶纸床网夹等家具钉，我们也可根据不同的用途，为您订造特殊规格或特殊材料的枪钉，包括镀锌，镀铜，纯铜，不锈钢，中碳钢等材料，能适应装潢，家具，汽车座椅制造，木箱，木托盘制造，工艺品，丝印，包装等行业全方位的需要。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。