Ab initio Study on the Nonlinear Optical Properties of Infinitely Long Polyacetylene Chain
无限长聚乙炔链非线性光学极化率的从头算研究

Acetabular abduction
髋臼外展角

The relationship of wearing with the abduction angle of the acetabulum in total hip arthroplasty
全髋关节置换术中的髋臼外展角和磨损的关系

The effect of the acetabular abduction by the pelvic obliqueness and its clinical significance
骨盆歪斜对髋臼外展角影响的实验研究及临床意义

Was the hand defeated how is ability acetanilide ?
手破了怎么才能止痛?

Test Method for Oxyacetylene Ablation Testing of Thermal Insulation Materials
热绝缘材料的氧乙炔烧蚀试验方法

There was abnormal ossification of the facet joints and the ligaments of the odontoid.
另外，在齿状缘还存在关节面以及韧带的异常骨化。

The operation to correct hip dysplasia produced an abnormality in acetabular anteversion.
手术可改变髋臼前倾角，部分会至异常范围。

Empirical and Clinical Study on the Animal Model of Gastric Abscess Caused by Displacement of Thoracic Vertebrae Facet Joints.
胸椎小关节错位致胃脘痛的动物造模与临床研究

This paper reports the synthesis of 0heptanone in the functions of absolute potassium fluoride and acetonitrile.
报道了在无水氟化钾和乙腈作用下2庚酮的合成。

For the same blending system, the penetration rates for acetic ether, absolute alcohol and gasoline sequence.
对同一体系, 对乙酸乙酯渗透率最小, 无水乙醇次之, 汽油最大。

Countermeasures and effects of methanol content in combined methanol off gases to the absorb ability of cuprammonia acetate solution
联醇中甲醇浓度对铜洗吸收能力的影响

Experiment of Absorbing Sulfur Dioxide Fume by Calcium Acetate Solution
醋酸钙溶液吸收二氧化硫烟气的试验研究

Synthesis of Isopropyl Chloroacetate Using Ammonium Ferric Sulfate with Twelve Water Molecules Absorbed with Activated Carbon as Catalyst
活性炭吸附十二水合硫铁铵催化合成氯乙酸异丙酯

The effects of acetochlor on respiration of soil microbe were studied by closed or direct absorption method.
采用密闭法测定乙草胺对土壤微生物呼吸的影响。

abstract Objective To prepare triptorelin acetate microsphere and set up the standard of quality control.
目的制备曲普瑞林微球并建立其质量控制标准。

Abstract Pyruvate and dihydroxyacetone are all three carbon metabolites of carbohydrate metabolism.
摘要丙酮酸和二羟丙酮都是糖代谢过程中的三碳化合物。

Acetone is the most abundant carbonyl in the atmosphere, followed by formaldehyde and acetaldehyde.
大气中一般是丙酮的浓度最高，其次是甲醛和乙醛。

De Sitters spacetime is empty, expands at an accelerating rate and is very highly symmetrical.
德西特时空十分对称，里头空无一物，会加速膨胀。

When matter accelerates through space, it changes the curvature of spacetime.
当物质在太空中加速运行时，它会改变时空结构的曲率。

During alcoholic fermentation acetaldehyde acts as a hydrogen acceptor instead of oxygen.
在这个过程中乙醛取代了氧作为氢的受体。

Purification Process Design and Simulation of Enzymecatalyzed Biodiesel Production Using Methyl Acetate as Acyl Acceptor
乙酸甲酯体系酶催化法生产生物柴油的后处理精制工艺

An recover technique of hyposulfite of the accessory substances of phenacetin through simplex method was studied.
采用单纯形法研究了非那西丁副产物大苏打得回收工艺。

Ethyl Acetate A sweet, vinegary smell that often accompanies acetic acid.
乙酸乙酯一种美好的酸味, 经常伴随着醋酸一起出现。

The fight against corruption must be multifaceted, and it cannot rely entirely on punitive measures to accomplish its goal.
对付贪污问题须从多方面著手，不能单靠惩罚性的措施。