查询词典 HF

First, ab initio calculations have been performed at the HF/6-31G level of theory for 27 indazolyl urea compounds (using 1H-indazole tautomeric form). On the basis of optimized structures, five kinds of topological indices, electrostatic potentials as well as their statistically-drived quantities have been obtained.

首先，采用1H-吲唑异构形式，对27个TRPV1通道拮抗剂分子进行了HF/6-31G水平上的结构优化，在优化结构上进行了5类拓扑指数和分子静电势及其导出参数的计算。

Peripheral quantitative computer tomography and micro-CT independently revealed significant reductions in BMD of tibiae in both LC-HF groups, and tibial maximum load was impaired.

外周量化CT和micro-CT检查分别独立地显示，两个LC-HF组的胫骨BMD显著下降，胫骨最大负荷受损。

The inner reorganization energy and the exothermicity of the reaction are then determined. Closed shell HF SCF calculations have been carried out for the systems Tryptophy1-Tyrosine and Tyrosyl-Tryptophan for different values of R, and the Koopmans^,theorem is invoked to estimate the energy level splitting A.From the obtained A~m~i~n, the values of electron transfer matrix element V~D~A are determined to be 0.96kJ. mol^-^1 and 0.87kJ.mol^-^1 for Tryptophyl-Tyrosine and Tyrosyl- Tryptophan, respectively.

对色氨酰酪氨酸和酪氨酰色氨酸体系进行闭壳层HF自洽场计算，按Koopmans定理计算体系分子轨道分裂能值A，在R约为0处发现了A的极小值，从而获得色氨酰酪氨酸及酪氨酰色氨酸体系分子内电子转移的电子转移矩阵元V~D~A分别为0.96kJ.mol^-^1和0.87kJ.mol^-^1。

According to the Th-Hf-Ta discriminati on diagram,the protoliths of the eclogite gravels are characterized by volcan ic arc basalts.

在 Th- Hf- Ta判别图上，榴辉岩砾石原岩属于火山弧玄武岩。

Heat sintered ZrO_2 ceramic does not react with any acids and bases except HF. It can't be coarsened by the traditional pretreatment process. Through a great deal of experiments, author found a kind of coarsened prescription which can corrode ZrO_2 ceramic, forming many holes and troughs on its surface.

高温烧结后的ZrO_2陶瓷的化学稳定性很高，除HF外不溶于任何酸碱，传统的粗化液对它没有粗化作用，笔者通过大量的实验，找到了ZrO_2陶瓷粗化液的配方，它能在ZrO_2表面腐蚀出大量均匀的微坑和凹槽。

Our company is main to produce the DK7720～DK77120 series electricity spark the number controls the line to incise the tool machine,have the ±6°～±45°s sway the line of big degree of and tonnage cent the body type the line incises number to control the electricity spark models the machine,electricity the spark high speed bores hole the machine ect.20 various numbers control the tool machine serices product,and provide the HL,YH,HF and the list trigger ect.various plaits distance control the system provides the customer choice.

本公司主要生产DK7720-DK77120系列电火花数控线切割机床，具有±6°-±45°摇摆线架的大锥度线切割数控机床、电火花成型机、电火花高速穿孔机等二十多种数控机床系列产品，并提供HL/YH HF及单板机等多种编程控制系统供用户选择。

The structures of the intercalates formed by reaction of four guests with Zn, Al-HTlc were characterized by XRD and IR techniques. And the charge density on the oxygens of each of the carboxylate groups for each of the four anions was investigated utilizing ab initio (HF/6-31G) method by G98w. The orientation of 1,2-,1,3-,1,4-benzenedicarboxylate or benzenecarboxylate anions between the layers was also proposed.

利用XRD和IR测试技术对样品结构进行表征，UV及HPLC对有机酸的反应量进行定量，并采用Gaussian-98软件包中ab initio分子轨道法(HF/6-31G)计算了各有机酸阴离子的分子结构，分析了其结构与插层行为的关系，并理论结合实验给出了各有机酸阴离子在锌铝类水滑石层间可能的空间构型。

The sample was then rinsed with 10% HF + 40 % HNO3 + 50% H2O, ultrasonic-cleared in acetone, dried, oxygenized in H2O2, rinsed, dried, sterilized, and lixiviated. L-929 cells were cultured in vitro and assigned into negative control, surface oxidation (surface oxidation + NiTi-SMA leaching liquor), and non-treatment groups (NiTi-SMA leaching liquor alone).

用10%HF+40%HNO3+50%H2O进行酸洗，丙酮中超声波清洗，干燥，在H2O2溶液中氧化，再经清洗、干燥、灭菌、浸提等处理。L-929细胞体外培养，实验分为阴性对照组：培养液培养；表面氧化组：面氧化处理NiTi-SMA浸提液培养；未处理组：未经处理NiTi-SMA浸提液培养。

With the advantage of its own machinery production, integration technology of mechanism, electrics and hydraulics and its alliance with Materials Science and Engineering Research in authoritative research institutions, Haiyuan successfully developed HF Series Automatic Hydraulic Wall Brick Press and matching production lines in 2003, which breaks through the technology bottleneck in more efficient utilization of solid waste and massive production of high-quality new wall materials, and provides a kind of technology and full sets of equipments with low-investment, high efficiency and ease of a large-scale application for the development of recycling economy and a conservation-oriented society.

它利用自身机械生产及机电液一体化优势技术，联合权威科研院校材料科学与工程研究的优势，于2003年研发成功HF系列墙体砖全自动液压压机及配套生产线，突破了多品种固体废弃物高效利用、规模化生产高品质新型墙体材料的技术瓶颈，为市场提供一种低投入、高效益、便于大规模推广应用的工艺技术与成套装备，为发展循环经济、建设节约型社会奠定基础。

MF/HF radio defective (unable to transmit to coast station/screens freeing).

MF/HF DSC 设备故障（无法向岸台发送信号，窄带直印电报不工作等

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！