三键

The connection of relationships in urban communities is also studied. Furthermore, the inter-relationships between community empowerment and community planning are analyzed from the dimensions of needs and scarcities.

第三部分讨论都市型社区营造的定位与想像，从社区的定义检视都市型社区中关系的键连，并且从需求与匮乏的面向，分析社区营造与社区规划的互动关系。

The results showed that Kaidimycin was chemically neutral, macrocylic polylactones, stable and liable to dissolve into water and pyridine, slight to dissolve into methanol, ethanol and N-butanol, difficult to dissolve into ethyl acetate, acetone, benzene and chloroform. Chemical reaction of functional group of Kaidimycin showed that it had glycoside, amino acid and aldehyde, no reducing sugar, polypeptide and phenol.

凯地菌素属中等极性的、中性抗生素，极性纸层析结果与多烯类抗生素的纸层析结果相似：易溶于水、吡啶，微溶于甲醇、乙醇、正丁醇，不溶于乙酸乙酯、丙酮、苯、三氯化碳；对高温、光照和紫外处理有很好的稳定性；官能团反应试验结果发现，凯地菌素可能含有糖苷键、氨基酸伯氨基和醛基，不含有还原糖、多肽和酚基，高锰酸钾、浓硫酸反应与多烯大环内酯类抗生素的特性相似；并且依据纯品，采用生物法和分光光度法对摇床发酵液进行了效价的测定。

Gold dredger is taken as an axample to discuss the performance and require-ment of the main drive of bucket dredge. The advantages and shortages of three current typi-cal mechanical drive schemes are objectively analyzed.

以采金船为范例，阐述了链斗式挖掘船主驱动的工作特性及要求，对目前三种典型机械传动布置方案的优缺点作了客观分析，指出斗键生驱动引用液压技术的条件已趋成熟。

In the structural design Unique scroll crushing chamber and P, S, T three broken, rotor system adopts the key sets of cone connection, efficient hammer wear-resistant plate, insert the installation form, tilt housings, the unique profile counterattack liner, multi-rack Position open the door, screw or hydraulic device to open the replacement of wearing parts, maintenance more convenient.

在结构上设计有独特涡旋破碎腔和P、S、T三段破碎区，转子体系采用无键锥套联接，高效耐磨板锤，插入安装形式，倾斜轴承座，独特的齿形反击衬板，机架多方位开门，丝杠或液压开启装置使更换易损件、检修更加方便。

Mozart differs from the three adults behind him only in his size, shrunk to doll-like proportions.

在大键琴旁的莫札特，不同於在他后方的三位成年人，在身材上，莫札特像是缩小成娃娃的比例。

Seated at the harpsichord, Mozart differs from the three adults behind him only in his size, shrunk to doll-like proportions.

在大键琴旁的莫札特，不同於在他后方的三位成年人，在身材上，莫札特像是缩小成娃娃的比例。

In the course of our study the chemistry of arenes contaning allylic acetates moiety under the catalysis of palladium, we found an efficient synthesis of benzocycles via intramolecular Friedel-Crafts reaction of halogen free 6-acetoxy-4alkenyl arens.

我们在设计钯催化的碳—氢键活化时，发现了含有烯丙基醋酸酯侧链的芳烃的三氟醋酸促进的分子内的Friedel-Crafts反应，从而为有效合成苯并六元环结构提供了一个方便的方法。

The results indicate that the 3D-QSAR model is significant and has good predictability, providing useful information for designing new good activity AHAS inhibitors prior to their synthesis.

根据CoMSIA模型的立体场、静电场、氢键给体场三维等值线图不仅直观地解释了结构与活性的关系，并且与用FlexX预测的结合模式相一致，证明了我们预测的结合模式是可靠的，为进一步设计高活性的标题化合物提供较好的理论指导。

We have reported results of the spatially indirect photoluminescence spectra measurements performed on undoped ZnSe/BeTe type-ΙΙ quantum wells with special interface structures at low temperature (5—10 K).

报道了具有特殊界面结构（界面包含三个Zn—Te化学键）的非掺杂ZnSe/BeTe II 型量子阱在低温（5—10 K）条件下的空间间接光致发光光谱的实验结果。

We have reported results of the spatially indirect photoluminescence spectra measurements performed on undoped ZnSe/BeTe type-ΙΙ quantum wells with special interface structures at low temperature (5—10 K).

报道了具有特殊界面结构(界面包含三个Zn—Te或Te—Zn化学键)的非掺杂ZnSe/BeTe II 型量子阱在低温(5—10 K)条件下的空间间接光致发光光谱的实验结果。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了