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Asymmetric autocatalysis combined with chirality amplification has been made the new concept in chirality origin.
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不对称自催化反应结合手性放大作用，使人们对手性起源有了新的认识。 |
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Asymmetric autocatalysis intrinsically has the following advantages: chiral amplification of production, high reaction efficiency, easy purification of the products, consecutive reaction, which is a new aspect of chiral synthesis.
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不对称自催化具有手性自动放大、反应活性较高、产物处理较易、反应体系连续等特点，是不对称化学的一个新的领域。 |
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Asymmetric autocatalysis occurs when a chiral product operates as an asymmetric catalyst for its own production.
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摘要不对称自催化是指由不对称反应生成的手性产物自身作为催化剂的反应过程。 |
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Asymmetry between the southern and northern hemispheres of the Earth is further stated on the basis of new calculations, analyses and observations of space geodesy.
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摘要依据新的计算分析和空间观测数据，进一步论述了地球南北半球的非对称性。 |
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Asymmetry of information will exert an unfavorable influence on both parties, namely operators and consumers in the tourist market.
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摘要旅游市场活动中信息不对称对于交易双方即经营者和消费者都会产生不利的影响。 |
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Asymptomatic men who have both a negative DRE and normal PSA blood test need only to continue an annual DRE and PSA check up.
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对于无症状且指诊、前列腺特定抗原检查皆阴性者只要接受年度定期前列腺特定抗原检查和肛门指诊。 |
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Asymptomatic pulmonary lupus needs no specific treatment, while prompt and aggressive treatment is mandatory for the potential life-threatening pulmonary version.
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无症状的肺部狼疮侵犯不需要特别治疗，然而，有些肺部狼疮侵犯却可能致命，此时积极的介入治疗是必须的。 |
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Asymptotic Perturbation Theory. Higher-Order Effects.
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16渐近扰动理论-高阶效应。 |
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Asymptotic stability of the solution of this system is obtained by studying spectral properties of the operator corresponding to this system.
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通过研究相应算子的谱特征得到该系统解的渐近稳定性。 |
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Asynchronous interaction occurs with a gap in time between the responses of the counselor and the client.
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而在不同步的交互中，发生在咨商和顾客间的相互反应则有一定的时间间隔。 |
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At $25,000 to more than $100,000 each, the price of long-range laser scanners is formidable.
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长程雷射扫描器的价格很吓人，可能从2万5000美元到10几万美元。 |
