上肢外展和旋外肌群的收缩对球拍的加速起到主要作用。
The rotary muscle of upper limbs do main favour in speeding the racket .
因此，倘若尸身被置于火场中，会完全扭曲外消旋化技术所判断的牙齿外观年龄——尸身被置于沙漠也同理。
So being in a fire will totally distort a tooth's apparent age via this technique - as might being left in a desert.
顺便说一下，如果你好奇为什么在判断牙齿年龄方面、外消旋化会比碳14定义的时钟精度差之甚多，那么部分原因与温度相关。
By the way, if you're curious about why racemization is so much less accurate a clock than C-14 for dating a tooth's age, part of the explanation has to do with temperature.
使腕骨立起来垂直地板，将体重放在小臂骨的边缘，小臂既不要内旋也不要外旋。
Align the wrists perpendicular to the floor and center your weight on the edge of the forearm bone, rolling neither in nor out.
通过分析其天冬氨酸发生了多少外消旋化，科学家可以确定牙齿主人在多大岁数死亡——通常精确到5年半左右，正负差4.2年。
By analyzing how much racemization of its aspartic acid occurred, scientists can determine how old the tooth's owner was at death - generally accurate to about 5.5 years, plus or minus 4.2 years.
截至他的研究小组出台新报告之前，科学家们未曾对比过同一颗牙齿的外消旋化以及碳14分析结果，布赫兹说道。
Until his group's new report, scientists hadn't compared racemization and C-14 analyses on the same teeth, Buchholz says.
练习莲花类体式的安全之道是，从大腿根开始将大腿外旋至(但不要超越)自己的极限。
The safest way to practice Padmasana and related poses is to strongly rotate your thigh outward at the hip and not go deeper into the pose when you reach the limit of your outward rotation.
双螺旋桨在向前推进时向内旋还是外旋？
外消旋体的动力学拆分反应是制备手性化合物的重要方法之一。
The kinetic resolution of raceme is one of the important ways in the synthesis of chiral compounds.
发现旋光基质有外消旋作用。
Racemization is found with optically active substrate substrates.
这个动作帮助前大腿的外旋。
冈下肌和小圆肌这两块肌肉，将肩胛骨和上臂连接起来，使手臂外旋。
Two muscles, the infraspinatus and teres minor, connect the shoulder blade to the upper arm bone and roll the arms outward.
插图：说明了肱骨内旋中的肩关节外旋伸展。
Inset: illustrating the stretch of the external rotators of the shoulder through internal rotation of the humerus.
盆腔外侧的阔筋膜张肌防止腿为了对抗内旋而造成的外旋。
The tensor fascia lata along the outside of the hip prevents the leg from turning outward by providing gentle opposition toward the inside.
前者的髌骨外移和外旋均明显增加，说明本组患者功能活动时髌骨失衡。
Increased lateral patellar translation and lateral patellar spin in subjects with patellofemoral pain suggest that the patella is not adequately balanced during functional activities in this group.
它们都是手性分子，属于外消旋体。
外旋流管式微滤膜器是一种新型的利用离心力场作用强化渗透通量的装置。
Outside helical flow microfiltration assembly is a new kind of equipment by use of centrifugal force field to enhance permeate flux.
发现旋光基质有外消旋作用。
目的介绍大龄产瘫后遗肩关节内旋挛缩畸形矫正及外展、外旋功能重建的方法和疗效。
Objective To study the reconstructional method and effect of shoulder joint function in the older obstetrical palsy with medial rotation contracture deformity.
从螺旋理论看，芳香轮烯和非芳香轮烯都是内消旋体和外消旋体的混合物，故都不呈现旋光性。
In the light of the helix theory, aromatic annulenes and non-aromatic annulcncs are all the mixture of the mesomer and raceme, so they haven't opticity activeity.
利用化学方法，由外消旋环氧氯丙烷出发，合成丁酸环氧丙酯，精制后可获得纯度96%以上的丁酸环氧丙酯，收率为47%。
Glycidyl butyrate was synthesized from racemic epichlorohydrin and butyric acid by chemical means. The purity of the refined product was over 96% and the yield was about 47%.
腓骨的短斜形骨折（常常伴有外侧粉碎）表明其旋前外展损伤为III度。
The presence of a short oblique fibular fracture (often with lateral comminution) suggests that this is stage III of a pronation abduction injury.
距骨外旋时，绷紧的内侧结构发生损伤。
As the talus rotates externally, the taut medial structures are injured.
萃取拆分技术适用性强、于连续拆分有望成为外消旋体拆分分离操作的先进技术。
It is hopeful that the extraction separation method will become the advanced technique for the racemates separation.
侧位相（图。2D）显示后踝撕脱骨折，表明骨折为旋前外旋完全IV度损伤。
The lateral projection (fig. 2D) demonstrates an avulsion of the posterior malleolus, documenting a completed stage IV pronation-lateral rotation injury.
侧位相（图。2D）显示后踝撕脱骨折，表明骨折为旋前外旋完全IV度损伤。
The lateral projection (fig. 2D) demonstrates an avulsion of the posterior malleolus, documenting a completed stage IV pronation-lateral rotation injury.
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