1)  pyolusite
有效氧
1.
The pyolusite in the manganese minerals was usually determined by the oxalate method,which would cause systematic errors.
 草酸盐法是测定锰矿石有效氧的常用方法之一,易产生系统误差。
2)  effective potassium oxide
有效氧化钾
1.
In this paper,conditions for determining effective potassium oxide contents in K-Ca fertilizer with flame photometry was investigated.
本文拟定了火焰光度法测定钾钙肥中有效氧化钾含量的条件 ,与四苯硼钠容量法比较 ,经F检验和t检验 。
3)  effective calcium oxide
有效氧化钙
1.
Effective calcium oxide in lime can be combined with sucrose to create higher-solubility calcium sucrose while calcium carbonate in lime and other calcium salts don t act with sucrose,by which to separate it,then the EGTA titrimetric method was used to determine effective calcium oxide content.
利用白灰中有效氧化钙可与蔗糖结合生成溶解度较大的蔗糖钙,而白灰中的碳酸钙与其他钙盐则不与蔗糖起作用的原理,将其进行分离,再用EGTA滴定法测定有效氧化钙含量。
4)  valid
有效
1.
How do make school administrations valid-take Wei Shusheng for example;
学校管理者如何成为有效管理者——以魏书生为例
2.
It is valid and practical in evaluating the dispersing power of different sequestering/dispersing agents.
该法能排除螯合作用的影响,对不同螯合分散剂分散力的评价是有效的、可行
3.
The trend of the contract validity system evolution in our country is that the principle of autonomy of will increasingly comes into actual effect,that the principle of public order and good moral is carried out more and more reasonably,that the principle of trade encouragement has the effect gradually and that the range of invalidity is reducing and the validity is more diverse.
我国合同效力制度演变的趋势是,意思自治原则越来越发挥出实际效能,公序良俗原则越来越定位合理,鼓励交易原则越来越落到实处,无效的范围逐渐缩小,效力形式越来越多样化,富有弹性,有效、无效、可撤销、效力待定、未生效并存的模式渐趋完善。
5)  Effectiveness
有效
1.
Effectiveness of community health care could be analyzed through a logic as structure,process and outcome.
从个体角度看,可及性和有效性是两个最关键的质量维度,其中有效性包括技术服务和人际服务两方面,并应该从服务的结构、过程和结果3个方面来分析;从群体的层面看,社区卫生服务质量应该加上公平性和效率的维度。
2.
On the basis of the establishment of the three standards combined management system in our institute this article forcus on the effectiveness and innovation of the mechanism of the three standards combined management system,and may have some reference to the institute who is going to applying this system.
本文结合我院三标综合管理体系的建立,重点对体系的创新、有效方面进行阐述,对将要推行三标综合管理体系的单位有参考作用。
6)  effective
有效
1.
Detection of radiorenogram and effective renal plasma flow in post-operation of kidney transplantation;
放射性肾图及肾有效血浆流量对移植肾功能监测的临床价值
2.
Effective History Teaching Summons Humanity Concern;
有效的历史教学呼唤人文关怀
3.
Coparasion on the Effective and Legal Functions of Advertisement;
试析比较广告的合法、有效运用
参考词条
补充资料:有效氧化钙
分子式:
CAS号:

性质:又称为有效氧化钙,是衡量石灰质量的主要指标。是指由CaCO3分解所得的、具有水化活性的、能与酸性氧化物反应的CaO。用蔗糖反应成蔗糖钙后,再用0.5mol浓度的盐酸滴定。活性氧化钙量越多,石灰活性越高。生石灰中活性氧化钙应不小于70%,熟石灰中活性氧化钙应不小于55%。

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