氮化的

"Our material is hard enough to scratch diamond, and much harder than osmium diboride," he said.

而且其它超硬材料，包括金刚石和立方结构的氮化硼都是在昂贵的高压条件下制造出来的。

Aluminum nitride substrate has been recognized as one of ihe most promising electronic substrate as heating panel and packaging materials for its high thermal conductivity, fine electrical insulation, and close coefficient of thermal expansion to silicon semiconductor.

氮化铝材料具有较高的热导率和良好的介电性能，机械强度高，热膨胀系数与半导体硅材料相近，非常适于制造大功率或快速半导体器件的散热基片和封装材料。

Reaction of NaOAr, SmCl_3 and aryloxo-functional N-heterocyclic carbene precursor [HO-4, 6-di-~tBu-C_6H_2-2-CH_2{CHMe}]Cl in 4:1:1 molar ratio in THF in one-pot hadnt afforded an anionic phenoxide complex of samarium (5) supported by a bridged bisphenoxo through the cleavage of aryloxo-functional N-heterocyclic carbenes.

4将NaOAr、SmCl_3和[HO-4，6-di-~tBu-C_6H_2-2-CH_2{CHMe}]Cl以4∶1∶1摩尔比，采用一锅煮的方法，希望得到芳氧基功能化的氮杂环卡宾稀土芳氧配合物没有取得成功，而是得到了断裂的产物O-4，6-di-~tBu-C_6H_2-2-[CH{NNMe}[(O-4，6-di-~tBu-C_6H_2)_2CH_2][O-2，4-di-~tBu-C_6H_3]Sm(5)。

The research results also pointed out that the complex compound of iodine and amylum is not stable, and has a regular fadding process; the concentration of phosphate buffer solution has a serious inffluence on the fadding effect of the extractive solution of plant leaves.

取一定部位的功能叶，用打孔器取40个叶圆片，研磨加水后离心制得植物材料提取液，取一定量上清液加到3ml含有碘、叠氮化钠和淀粉试剂的反应混合液中，30秒后测定1分钟内吸光值的变化量。

Epitaxial growth of GaN on sapphire and novel substrate LiAlO〓 1 The growth mechanism of GaN on sapphire substrate was investigated using AFM, X-ray diffraction, X-ray double crystal diffraction, Rutherford back scattering etc.

阐明了衬底表面的氮化处理、缓冲层的生长对外延膜结晶形貌、结晶质量、以及外延匹配关系的影响规律。

It is a specialized manufacturer to produce various specifications of ceramies from alumina, steatite, zirconia aluminiumnitrid and reinforced ceramics. Main products: electro-application ceramics, sealants, water sealants, ceramics for cutting and weld, ignition tips and etc.

本公司具有成熟可靠的生产制造工艺，先进完备的生产设备及检测手段，专业生产各种规格的氧化铝瓷、滑石瓷、增韧瓷、氧化锆、氮化铝等特种陶瓷。

The in vitro anticoagulation activity of the sample was evaluated by activated partial thromboplastin time, prothrombin time and thrombin time.

采用部分凝血活酶时间、凝血酶原时间和凝血酶时间对其体外抗凝血活性作了初步的评价，发现制备的大孔氮化碳对血液不会造成促凝，说明其可能成为一种新的血液相容性材料。

The chemical shifts of the carbon atoms connected with the nitrogen atoms in the protonated pyridines were moved upfield in comparison with those of the pyridines.

在质子化的吡啶中，与氮原子相连的碳原子的化学位移与吡啶相比移向高场。

Nevertheless, as the growth temperature is higher than 675oC, rapid declination in growth efficiency. It suggests that desorption of In adatom occurs at such a growth region instead.

而当长晶温度大於675 oC时，氮化铟的成长率快速下降，我们认为在这长晶的区域内有铟原子的脱逸效应产生。

The use of AlN in combination with diamond is new and attractive for operating at very high frequencies.

有鉴於钻石与氮化铝的结合可达到高的操作频率，因此成为一个新且令人注目的研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。