first wave是什么意思

用法例句

Since our CSP plant put into production, sometimes there are some communication errors occurred be tween Level I and Level Ⅱ,because of this reason, there were so many brakes in the rolling .

邯钢CSP生产线自投产以来,经常出现轧机一级自动化和二级计算机之间的通讯故障,进而导致多次停浇事故的发生。

Influence of imperfect surface layers on properties of first-order phase transition ferroelectric thin films;

非理想表面层对一级相变铁电薄膜性质的影响

The first-order phase transition of model is studied.

计算了激光场定态分布函数,研究了这种模型的一级相变现象。

Analysis on sludge performance of aerated and mechanical coagulation in the enhanced primary treatment by chemical coagulation;

化学混凝强化一级处理中曝气与机械混凝污泥的性能分析

Research on chemical enhanced primary treatment in municipal waste water;

城市污水混凝强化一级处理的研究

High-load activated sludge(HAS)process,as a process for enhanced primary treatment of municipal waste-water,has such merits as no primary sedimentation basin,high-load,low resident time,good sludge-settlement ability,no sludge swell.

城市污水强化一级处理工艺——高负荷活性污泥法(HAS)具有不设初次沉淀池,负荷高,泥龄短,污泥沉降性能良好,不存在污泥膨胀等特点,对有机物的去除以絮凝、吸附、沉淀作用为主,对COD、BOD5、SS都有较高的去除效果,对氮、磷有一定的去除作用,出水水质可满足《农田灌溉水质标准》的要求;此工艺是解决经济欠发达地区水资源短缺和水污染严重的一种最佳方法。

Comparison of different data processing models of first order reaction;

一级反应不同数据处理模型的比较

By investigating the effects of ammonia concentration, temperature and size of ore on the leaching rate, it was suggested that the leaching of poorly-floated zinc-oxide-ore with ammonia is one of the first order reaction.

通过研究氨水的浓度、温度以及矿石粒度对难选氧化锌矿浸出速率的影响,发现氧化锌矿氨浸反应为一级反应,得到反应的活化能为11。

On the basic theory of thermokinetics , two novel data processing methods ,thermogram’s area- difference method ,for calculating the rate constants of first order reactions havebeen proposed in this paper.

建立了两种一级反应速度常数的新算法——热谱面积差法。

Establishing “the Safety Science and Engineering” as a first level discipline in the Lists of Disciplines and Majors of Master and Doctor Degrees as well as Post Graduate Education was discussed in details from the view of necessity, feasibility, practice, fundamental scientific basis and structural system.

从社会必要性、现实可行性、学科的实践基础、学科的科学基础、学科的结构体系等方面,对在《授予博士、硕士学位和培养研究生的学科、专业目录》中设立“安全科学与工程”一级学科进行了论述,提出了“安全科学与工程”下设二级学科、专业的框架;阐述了“安全科学与工程”和其他与安全学科相关学科的关系、生源关系、与现有安全学科相关的二级学科的关系、与现有安全学科相关的二级学科的学位授予关系以及与其他学科的学缘关系。

Factors influencing quality of high-grade oil and its controlling methods;

影响一级油质量的因素及控制方法