This works put forward a method of synthesis of thiophene alcohol and discuss carefully the way of reducing by-product and condition of brominating and Gall's.
提出了可工业化的噻吩乙醇的合成方法，并详细地讨论了降低副产物生成的途径。对溴化和格氏化条件进行了研究。
Effectiveness of reducing welding distortion by trailing intensive cooling and the influence of heat - dissipating condition of the fixture on such effectiveness were studied.
研究了随焊激冷减小铝合金薄板焊接变形的效果及夹具的散热条件对该效果的影响。
Analysis is made on the method and operation condition adjustment by the industrial refinery for reducing olefin content in RFCC gasoline.
对工业装置降低R FCC汽油烯烃含量的方法及操作条件的调整进行了分析。
The reaction principle of reducing naphtha olefins in FCC condition was discussed and the effect of the components of catalyst on the properties of FCC naphtha was investigated.
探讨了催化裂化过程降低汽油烯烃的反应原理，研究了催化剂各组分对裂化汽油性质影响的规律性。
Finally it is concluded that PWM-ON-PWM is the existing optimal PWM mode for reducing commutation torque ripples, and achieves this mode on condition of three position sensors.
最后得出对转矩脉动最优的斩波方式为PWM—ON—PWM，并在三个位置传感器的条件下运用位置预测法实现。
They may recommend reducing calibration time or they may look for the cause of the condition and correct it, possibly by modifying the test procedure.
他们可能会建议减小校准间隔时间，或可能寻找这种状况的原因，并可能通过修改测试规程对其纠正。
To learn the sanitary condition of drinking water in rural areas of Nantong and provide scientific basis for improving water quality and reducing water borne diseases.
目的了解南通市农村饮用水水质卫生现况，为改善水质，减少水性疾病、保障人体健康提供科学依据。
The result of operation shows that it improves the calcining condition of shaft kiln and has significant effect on quantity of production, quality of product, energy saving and cost reducing.
实际运行表明，改善了立窑煅烧状况，对提高产品产量、质量、节能、降耗等方面都有显著效益。
To aim at your current work condition, on the premise of improving your work efficiency and reducing the cost, we provide you with solutions of little expenses.
针对你目前的工作情况在提高工作效率降低成本的前提下，不要很多的费用，成本的整体方案供你参考。
Rural urbanization has great significance in developing rural economy, improving habitation condition and cities' appearance, and reducing the distance between countries and cities.
农村城市化对于推动农村经济的繁荣、改善居住条件、提升城区形象、缩小城乡差距等许多方面，具有重大意义。
This paper focuses on the acid hydrolysis process of vegetable proteins under the condition of low concentration of acid and low temperature for the purpose of reducing the 3-mcpd.
研究了在低酸、低温条件下植物蛋白的优化水解工艺，旨在降低水解蛋白中的氯丙醇类物质。
Methods Based on the arsenic stain method principle the condition of reaction acid reducing agent system, measuring strip, and standard colorful board were experimented.
方法利用砷斑法原理进行反应酸、还原剂体系的配比、使用量及使用条件、检测试纸条及标准比色板的制备和条件实验。
It is indicated that uranium was moved out in the relative reducing condition and enriched precipitation in the relative oxidizing condition.
研究表明，铀在相对还原条件下迁移，而在相对氧化条件下沉淀富集。
The system normal working condition was recovered by reducing production output and carrying out corresponding operations.
通过减量生产，并采取相应操作，系统工况恢复正常。
Submerged arc operation is significant for reducing consumption of energy, materials as well as improving kinetic condition of de-oxidation and desulfurization to lf.
LF埋弧操作对于节能降耗和改善脱氧、脱硫动力学条件具有重要意义。
More over, the way of reducing wave source and receptors is given, under the condition that the position of all holes can be determined.
在一定概率范围内，求出了平板内空洞的位置，得到在此范围内能够确定平板内空洞位置的前提下，减少波源接收器的方法。
Cetyltrimethylammonium bromide induced to form the nanosized silver triangle plates in a weak reducing environment, and to form the grained silver powders in a strong reducing condition.
在弱还原剂条件下，十六烷基三甲基溴化铵诱导生成了三角形片状纳米银，但是在强还原剂存在条件下生成了粒状纳米银。
The tension had effects upon manual reduction of compressibility fracture of vertebral body, reducing protrusion of intervertebral discs, and improving condition of …
当改变腰部向前的作用力的作用点及大小时，椎体、前纵韧带和椎间盘的应力也发生相应有规律的变化。
The tension had effects upon manual reduction of compressibility fracture of vertebral body, reducing protrusion of intervertebral discs, and improving condition of …
当改变腰部向前的作用力的作用点及大小时，椎体、前纵韧带和椎间盘的应力也发生相应有规律的变化。
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