1) first-rank
一级
1.
Compared with Liu Xiang\'s athletic parameters,the paper intends to analyze the technical features of the first-rank hurdlers\' strides between hurdles with the help of dynamic photos and then finds out their weakness and difference in athletic parameters of strides to offer objective bases for their technical training.
通过摄像解析法,以刘翔的运动参数为参照物,对男子一级110m栏跨栏运动员跨栏步技术特征进行分析,从而指出了一级跨栏运动员跨栏步技术参数的不足与差距,为他们的技术训练提供客观依据。
2) first-order
一级，初级
3) A.E 1.
一等一级
4) first-order phase transition
一级相变
1.
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
2.
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。
5) primary treatment
一级处理
1.
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
2.
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
3.
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。
6) first order reaction
一级反应
1.
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
2.
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。
3.
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。
补充资料：一级保留
分子式：
CAS号：
性质：子体原子在核转变过程中获得的反冲能太小，不足以破坏它与母体化合物其余部分结合的化学键，因而依然处于母体化合物的化学状态的数目占子体原子总数的百分数。
CAS号：
性质：子体原子在核转变过程中获得的反冲能太小，不足以破坏它与母体化合物其余部分结合的化学键，因而依然处于母体化合物的化学状态的数目占子体原子总数的百分数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条