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- A brief account of technique conditions of several main technique routes for synthesizing glycollic acid and existing main problems in it are given. 概述了羟基乙酸几种主要工业合成方法的工艺条件及存在的主要问题,即氯乙酸水解法、氰化法、甲醛羰基化法和一氯乙酸钾水解法。
- A zero dead volume microinjector,a constant pressure separation system and a flow splitter for gradient elution are designed,which are effective for solving the existing main problems of CEC. 设计了一种包括具有极小死体积的进样器、恒压分离系统和适于梯度洗脱的分流器的流路结构,可有效地解决CEC现存的主要问题。
- This paper analyses the existing main problems about the value chains of coal enterprises.and puts forth the ways.about the extension and regroup for coal enterprise main value chains. 本文分析了煤炭企业价值主链的现状和存在的主要问题,提出了煤炭企业价值主链重组与延伸的方式和方法。
- A when product of the unqualified plywood, plywood that stick a face exists main problem is formaldehyde release a quantity to exceed bid. 不合格胶合板、贴面胶合板产品存在的一个主要问题就是甲醛释放量超标。
- The company's main problem is the shortage of skilled personnel. 这家公司的主要问题是缺少有技术的人员。
- existing main problems 存在的主要问题
- They focused their attention on the main problems. 他们把注意力集中在主要问题上。
- The discussion focused on three main problems. 讨论集中在三个主要问题上。
- The way I see it, you have three main problems. 我认为你有三个主要问题。
- At present the main problem is to find a right job. 眼下主要的问题是找一份合适的工作。
- Please focus your attention on the main problems. 请把注意力集中在主要问题上。
- COUNSELLOR Now, what are your main problems? 你的主要问题是什么?
- The article touched on the main problem. 文章提到主要问题。
- His main problem is lack of talent. 他最主要的问题是天资不够。
- That's by no means the main problem. 那决不是主要问题。
- Analysts say Motorola' s main problem is Nokia. 分析家认为，摩托罗拉最主要的问题在与诺基亚。
- How will the study address the main problem? 研究是如何针对主要问题的?
- At present the main problem is to find a job. 眼下主要的问题是找一份工作。
- Weak law enforcement is the main problem. 执法能力薄弱是主要问题。
- The main problem with thin people is they oppress. 瘦人的主要问题是让人感到压抑。
