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The copper atom is in a planar coordination site of [N_2O_2] and it devites from the mean plane by only 0.80 pm. Byπ-πstacking interactions, a alabastrine structure was obtained.(2)Schiff-base complex [Cu(H_2O)]·H_2O, where H3GS is the 3-carboxyl -salicylidene glycine, was synthesized and characterized by elemental analysis, IR spectra and single-crystal analysis. The crystal belongs to monoclinic system, space group P2(1)/c, a=848.46(3)pm, b=681.54(3)pm, c=1967.16(8)pm,β=95.8210(10)°, Z=4, R_1=0.0279, wR_2=0.0724. The copper atom is in a square-pyramidal field with the base

结果表明该晶系属单斜晶系,空间群P2(1)/c,晶胞参数:a=848.46(3)pm,b=681.54(3)pm,c=1967.16(8)pm,α=90°,β=95.8210(10)°,γ=90°,Z=4,R_1=0.0279,wR_2=0.0724,Cu原子位于轻微变形的四方锥场底心,底面被氮原子、酚氧原子、甘氨酸羧基的一个氧原子和一个水分子氧原子占据,而甘氨酸羧基的另一个氧原子占据相邻分子的锥顶,因而形成一维链状结构;合成了单核双聚配合物Na_2[Cu_2_2]·2H_2O ,铜三核配合物Cu_3_2·5H_2O和铜锌异三核配合物ZnCu_2_2·5H_2O,并用元素分析,IR光谱,电子光谱和磁化率测定对配合物的组

It can be said that the solution to the space problem of limit load and the calculation of foundation bearing capacity for deformed groundwork have some academic and scientific value. The dynamic pile testing of foundation and batholith as well as deep well load testing system has been put into use in real work environment and gained some social and economic benefit.

本文关于界限荷载的空间问题解答,考虑地基变形的地基承载力工程算法具有一定的学术价值;本文中的地基承载力动测法及深井载荷试验系统已在工程实践中应用,并取得了较好的社会和经济效益,具有一定的工程实用意义。

New ruthenium benzylidene complexes benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-diphenylphosphinoacetato] monochlororuthenium (46), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene][k~2-3-propionato]monochlororuthenium (47), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-2-benzonato]monochlororuthenium (48) featured five-membered, flexible six-membered and rigidsix-membered chelating rings respectively are prepared by reactions of complex 41 withcorresponding sodium phosphino-carboxylates. It is confirmed by X-ray crystallographicanalysis that the coordination geometries of complexes 46 and 47 are distorted squarepyramids with phosphino-carboxylate ligands chelating to ruthenium, and the coordinationbetween ruthenium and benzylidene ligands are strengthened.

用二苯基瞵乙酸盐、二苯基膦丙酸盐、二苯基膦苯甲酸盐与钌卡宾配合物41反应合成了三个新的钌卡宾配合物:含五元膦-氧螯合环的1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基1-苯亚甲基--一氯合钌(46)、含六元柔性膦-氧螯合环的[1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基1-苯亚甲基--一氯合钌(47)及含六元刚性膦-氧螯合环的[1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基]-苯亚甲基--一氯合钌(48)。X射线单晶衍射分析证明,配合物46、47都为变形的四方锥构型,膦-氧与钌形成螯合配位,其中苯亚甲基与钌的配位得以加强。

These subtle signals of deformation, when combined with the ability to measure the age of the disfigured landscapes (using cosmogenic nuclides that bombard the Earth from all corners of the universe), produced surprising results.

这些敏感、微妙的畸形变化信号,在结合测量呈现山水地貌毁损变形的年代能力(采用来自宇宙各个角落的轰击地球的宇宙进化论的核心要素)时,就会产生出令人惊讶的结果。

During the mounting, the compinents unfurl them to retrieve circularity. The thesis will elaborate the programming method in how to use NUM System′N/C Center to machine and have process analyses on them with high precision on condition that the big locating hole and the 3-25H7 cylindriform ...

在没有将变形的定位大孔及3-25H7圆柱定位销孔分布圆恢复成圆形的情况下,在NUM系统的加工中心加工,对其进行的工艺分析和保证高加工精度的编程方法。

It has been shown that the compound treatment can not only result in a considerable degree of desulfuration and cleanliness of steel, but also bring unique inclusion mordifyingeffect of RE into full play: Harmful effects of inclusions to the performance of steel can be eliminated by Rare Earth additions through formation of dispersively distributed, undeformable and stable Rare Earth sulphide and oxysulfide in place of elongated MnS.

结果表明:复合处理不仅可以脱硫、净化钢液,而且充分发挥了稀土的变质夹杂物的特性:稀土金属可以将钢中原有的条状硫化锰夹杂转变为在钢中均匀分布、不易变形的、稳定的球形稀土硫化物和硫氧化物,从而可以消除夹杂对钢材造成的不利影响。

The coefficients accord with fundamental of aseismic design and embody the theory of multi-line to defend earthquake, so it has guidable meaning for engineering design.

该值既考虑了承载能力方面的要求,又考虑了变形的要求,符合抗震设计的基本原则,体现了多道防线的抗震思想,对工程设计是有指导意义的。

Compared with original hypoplastic model, the revised hypoplasticmodel can reflect mechanics of sand in cycle loading. That includes accumulation ofdeformation and accumulation of pore water pressure and decrease of effective stress.

相比原亚塑性模型而言,改进的亚塑性模型能够反映循环荷载下砂土的力学特性,包括变形的累积效应,孔隙水压力的累积效应以及有效应力的降低等。

Methods A wet hip joint's sample from corpse was scaned by CT and all images of every cross-section hip joint's layer was obtained, and an hip joint's model was contructed with Unigraphics NX 2.0 and Solid Works 2006 SP 0.0 software. The models were assembled when simulated total hip arthroplasty after total hip joint prosthetic and ischiofemoral ligament model had been constructured. Analysis was done on von Mises stress distribution and amount of total hip component when simulated seated leg-crossing manuver. The bone and metal components were meshed as rigid bodies, composed of three-dimensional, all-quadrilateral rigid body elements, and hip joint capsule ligament was fully three-dimensional, hexahedral continuum elements representations. Results The current form of this ischiofemoral ligament's reconstruction finite element model provided for multi-body contact, large displacement interfacial sliding, large deformation capsule ligament representation, and clearly reflected the real ischiofemoral ligansent's anatomy and biomechanical behavior. The maximum on Mises stresses at the joint interface was more than that fur an otherwise identical hardware-only construct.

选择成人尸体髋关节行CT成像得到髋关节每层横截面图像,提取边界坐标,利用有限元分析软件Unigraphics NX 2.0和Solid-Works 2006 SP0.0构建出髋关节三维有限元模型及人工髋关节假体,并模拟全髋置换术进行装配,将坐股韧带按其术中重建位置进行构建骨骼与金属模型采用三维十节点四面体实体单元进行网格划分,关节囊六面体连接单元划分,模拟坐位腿交叉动作载荷获取假体撞击过程的角活动度和相应的von Mises应力分布情况结果所构建的多体连接、大界面划移、大变形的坐股韧带重建有限元模型,客观反映坐股韧带真实解剖形态及生物力学行为,增加坐股韧带重建的模型其关节面的最大主应力值大于仅有金属的模型。

This article, based on the analysis of the data from the experiment on"double concrete beams", has shown the availability of using the"ladderlike concrete fabric" or"double steel" after treatment, and it has explained its properties of strength, crack and deflection.

本文根据对&双钢筋混凝土&小梁的试验资料的分析,提出了在普通钢筋混凝土受弯构件中采用经过构造处理后形成的&梯格状钢筋网&即&双钢筋&的可行性。阐述了双钢筋构件的强度、裂缝及变形的特点。

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I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意,使我记忆犹新,那天你随着我的亲友从家里送我上轮船,搬运工迟迟不来,你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神,在那里,他以身披红斗篷,留着飘逸的白胡须,戴着主教法冠而闻名。

Long periods of seeming invincibility. Though some industries or lines of business exhibit characteristics that endow leaders with virtually insurmountable advantages, and that tend to establish Survival of the Fattest as almost a natural law, most do not. Thus, for every Inevitable, there are dozens of Impostors, companies now riding high but vulnerable to competitive attacks. Considering what it takes to be an Inevitable, Charlie and I recognize that we will never be able to come up with a Nifty Fifty or even a Twinkling Twenty. To the Inevitables in our portfolio, therefore, we add a few "Highly Probables."

在所属的产业都被赋予其无可取代的优势地位,大者恒存的自然定律似乎牢不可破,但实际结果却不然,也因此在找到真正的真命天子之前,旁边可能还有好几打假冒者,这些公司虽然曾经红极一时,但却完全经不起竞争的考验,换个角度来看,既然能够被称为永恒的持股,查理跟我早就有心理准备,其数量绝对不可能超过五十家或甚至是不到二十家,所以就我们的投资组合来说,除了几家真正够格的公司之外,还有另外几家则是属于极有可能的潜在候选人。