手

Chiral 3 methy 1,4 butanediol and its derivatives are the important intermediate of synthesis of chiral smectic liquid crystal polyesters and chiral natrual products with biological activity. In the paper, a new efficient route of 3 methyl 1,4 butanediol and its two derivatives, 2 methyl 4 tetrapyranyloxy 1 butanol and 2 methyl 4 tetrapyranylbutanal, was described, and the target products were synthesized by employing asymmetric hydroboration oxidation improved.

手性2－甲基－1，4－丁二醇及其衍生物是合成各种手性近晶型液晶材料以及手性天然生物活性物质的重要中间体，以3－甲基－3－丁烯－1－醇为原料利用改进的不对称硼氢化－氧化反应，成功地合成了－2－甲基－1，4－丁二醇以及其2种手性衍生物：－2－甲基－4－四氢吡喃氧基－1－醇和－2－甲基－4－四氢吡喃氧基丁醛。

The result indicated that the torque of the undominated hand in wrist ulnar deviation direction was more active than the dominated hand in 120°/s velocity, extension of elbow in 180°/s and the toward of shoulder in 60°/s during forward swing reveal that the dominated hand was more active than the undominated hand.

其结果显现出非惯用手手腕在等角速度120°/s往尺侧偏移动作方向所产生的等速肌力大於惯用手，而手肘在等角速度180°/s下的伸展动作方向和肩膀在等角速度60°/s下的前伸动作方向的等速肌力均为惯用手大於非惯用手。

Thus, the purpose of this study explored the peak torque of six elite college female golf players (average ages=21.8) of the wrist joint of the dominated and undominated in 60°/s, 120°/s and 180°/s three different angular velocities and shoulder and elbow joints in 60°/s, 180°/s and 300°/s three different angular velocities. SPSS 10.0 for Windows, Paired-Samples t test analysis of the isokinetic strength of college golf players' dominated or undominated hand.

因此本研究目的为探讨国内6名优秀大专女子高尔夫选手（平均年龄21.8岁）其惯用手和非惯用手之腕关节在60°/s、120°/s和180°/s三个不同角速度下和肘关节、肩关节在60°/s、180°/s和300°/s三个不同角速度下所分别产生的峰值转矩值，且以SPSS 10.0软体，进行成对样本t考验(α=。05)检验优秀大专女子高尔夫选手惯用手及非惯用手之等速肌力差异，藉此来了解两者角色的重要性。

Chiral nonracemic fluoro-organic molecules with a fluorine atom on a stereogenic center are readily prepared via chiral electrophilic fluorinating reagent-mediated enantioselective fluorinations, substrate-controlled enantioselective electrophilic fluorinations, chiral metal complexes and asymmetric catalyst—directed catalytic enantioselective fluorinations.

高光学活性的手性氟化物可通过手性亲电氟化试剂诱导的立体选择性氟化反应，基于底物的手性氟化反应以及手性催化剂诱导的不对称催化氟化反应等来制备。

In order to find which hand-figures could provide higher propulsive efficiency for swim ming,two different 3D unstructured grid models of a native woman swim mer s hand and forearm were generated based on two hand-figures-fingers splaying and fingers holding together.

针对采用何种手形游泳能产生较高的推进效率，运用计算流体力学(CFD，Computational Fluid Dynamics)方法，建立了国内某女运动员手掌和前臂在五指并拢和五指分开两种手形的三维非结构网格模型；计算了90°攻角划水时两种不同手形的手掌和前臂在不同来流速度下的推进阻力、推进升力及其系数值，依据计算结果对手周围的流场进行了分析，研究了不同手形对游泳推进效率的影响。

Objective: To provide anatomic basis for pectoranis minor muscle transplantation by vessels and nerves anastomosis to reconstruct thumb opposition function. Methods: The blood supply and nerve innervation of pectoralis minor muscle, the comparison of the morphology and dimension of both pectoralis minor muscle and thenar muscle were investigated on 20 sides of adult cadaveric thoraxes and hands. According to the locations of the vessels and nerves of the pectoralis minor, the clipped pectoralis minor muscle at the same side were transplanted and fixed to thenar muscles with the same direction of thenar muscle fiber. After that, the process of dragging simulating opposition movement of hand were performed and observed.

目的：为吻合血管神经的选择性胸小肌移植重建拇对掌功能术式提供解剖学依据方法：在20侧成人胸部及手部标本中，解剖观察胸小肌的血管神经分布及胸小肌和大鱼际肌的形态、大小并将一者进行比较；然后按照大鱼际肌纤维走行方向，参考血管神经位置，将胸小肌修剪合适后移植固定于同侧手部大鱼际，模拟正常手部拇对掌功能予以牵拉，观察标本手部拇对掌过程。

Chiral ligands mentioned above and their complexes with acetate copper were used as enantio-selective catalysts in asymmetric cyclopropanation reactions of diazoacetate and 1,1-diphenyl ethylene. Investigations indicate that all of them reveal certain optical-selective capability, but chiral C2-symmetric 2,6-bispyridine ligands show better catalytic capability than chiral asymmetric schifF-base ligands.

选择了2个手性2，6-吡啶双噁唑啉配体和6个手性不对称席夫碱配体与醋酸铜形成的配合物作为催化剂，对重氮乙酸乙酯与1，1-二苯乙烯不对称环加成进行催化反应，发现这8个催化剂对1，1-二苯乙烯的不对称环丙烷化反应都表现出了一定的光学活性诱导能力，手性2，6-吡啶双噁唑啉-铜类具有比手性Schiff碱-铜类更好的催化性能。

There is a kind of monkey trap used in Asia, a coconut is hollowed out and attached by a rope to a tree or stake in the ground, at the bottom of the coconut a small slit is made and some sweet food is placed inside, the hole on the bottom of the coconut is just big enough for the monkey to slide in his open hand, but does not allow for a closed fist to pass out, the monkey smells the sweets, reaches in with hand to grasp the food and is then unable to withdraw it, the clenched fist won't pass, through the opening, when the hunters come, the monkey becomes frantic but cannot get away, there is no one keeping that monkey captive, except the force of its own attachment, all that it has to do is to open the hand, but so strong is the force of geed in the mind that is a rare monkey which can let go, it is the desires and clinging in our minds which keep us trapped, all we need to do is to open our hand, let go of our selves, our attachment and be free.

在亚洲某些偏远地区﹐流传著某种传统捉猴子的陷阱﹐他们把椰子挖空﹐然后用绳子绑起在树上或固定在地上﹐椰子上留了一个小洞﹐洞内放了一些美饵﹐洞口大小恰好只能让猴子空著手伸进去而无法握著拳伸出来﹐於是顽猴闻香而来﹐将手伸进去抓拿美食﹐而后理所当然的﹐手便伸不出来﹐紧握的拳头伸不出洞口﹐当猎人到来时﹐羣猴惊慌失措﹐但﹐就是逃不掉﹐并没任何人捉著猴子不放﹐它﹐只是被本身的执著所俘虏﹐它只需将紧握的手拳头松软放开便可伸出来﹐但是﹐就是内心中贪恋的欲念所致﹐鲜有顽猴能放下﹐因内心中的欲望与执著﹐使得我们一直受縳﹐面对这逆境﹐我们唯一要做的﹐只是将双手释然放下﹐放下自我执著的坚持﹐就能消遥自在了。

This is specialized kitchen equipment includes one- handed food cutting equipment, one- handed different diameter tubes opener, one- handed fruits and vegetables cutting and peeling equipment, one - hand changeable graters, food box, equipment for peeling eggshells, elements for stabilizing foods like bread (while buttering etc.).

这是特殊的厨房用具，包括单手食物切割工具，单手异径开瓶器，单手果蔬切割器，单手多变擦菜板，食物盒，剥蛋器，食物固定部件如固定面包用。

The 11 defensive players at the same time the last game, pitching a human hand is responsible for putting the ball in the hitters behind for the three-door, he sought to be expelled from the, other players for

守方则11位球员同时落场作赛，一人为投球手负责把球投中击球手身后的三柱门，力图将他赶出局，其他球员为外野手，负责把击球手打出的球接住，防止攻方得分。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。