1) chemical composition
化学组分
1.
Study on chemical composition of main vegetables in Hangzbou subutrh;
杭州郊区主要蔬菜的化学组分
2.
The chemical composition of fog water in the winter of 2006 of Nanjing.;
2006年南京冬季浓雾雾水的化学组分
3.
All the black liquors were analyzed with respect to viscosity and chemical composition of various organic substances.
分析黑液试样的各种有机组分和粘度,研究了氧化热处理后黑液化学组分的变化情况。
2) Chemical component
化学组分
1.
In this paper, the chemical components, such as cellulose, hemicellulose and lignin of bagasse pulp treated by steam-explosion were analyzed.
本文对经低压蒸汽爆破处理的蔗渣浆进行了化学组分分析,重点探讨爆破处理后浆料的纤维素、半纤维素和木素含量的变化情况,同时对废液中的还原糖含量和有机酸含量进行了分析。
2.
Sewage sludge was collected from Lucun wastewater treatment plant,Wuxi,and the chemical components and heavy metals by a sequential extraction in sludge were investigated in the present study.
采用现场调查采样及室内分析的方法,研究了无锡芦村污水处理厂污水处理过程中污泥的化学组分和重金属元素的形态分布。
3.
Based on experimental investigations,the dynamic mathematical model describing the changes of some chemical components in cut tobacoo drying process is set up by means of parameter estimating method.
在试验基础上 ,运用参数估计法 ,建立了烟丝在烘烤过程中某些化学组分变化动态数学模型 ,并利用Matlab -simulink语言对此进行了数值模拟 。
3) chemical components
化学组分
1.
Correlation analysis on mutation change of chemical components of ground-water during the period of strong earthquake activities;
地下水化学组分在强震活动下的突变
2.
The grade and chemical components of RP and the available P of RP and MRP were analyzed to prove up the relationship of activation effect and chemical components, and to discuss the mechanisms in the activation process farther base.
通过对磷矿粉品位和化学组分以及磷矿粉活化前后有效磷含量变化的系统分析,以探明OA和IA对磷矿粉的活化效果与磷矿粉化学组分之间的关系,在此基础上进一步探讨其活化机理。
3.
In order to study the PM10 pollution level and the characteristics of its chemical components in the highway tunnels,PM10 were sampled synchronously in the middle of Shihuang tunnel and its entrances on Sept.
为了解公路隧道中可吸入颗粒物污染水平及化学组分特征,笔者于2006年9月1日在交通繁忙的石黄隧道中间及入口处进行了可吸入颗粒物(PM10)同步采样,并对样品进行了化学成分分析。
4) chemical compositions
化学组分
1.
Change of chemical compositions duringfrozen noodle storage under low temperature conditions;
冷冻面条在低温贮藏过程中化学组分的变化
2.
Through study on relation among deposit characteristics, useful composition contents, brine concentration and chemical compositions of subsurace brine in north part coastal area of Weifang city, it is considered that 5 mineral resources as Br, NaCl, MgCl_2, MgSO_4, and CaSO_4 have reached industrial standard, and bittern concentration has direct correlation with mineralization, NaCl and Br.
通过对潍坊北部沿海地区地下卤水矿床特征、有用成分含量、卤水浓度与化学组分相关关系等方面的研究,认为该区地下卤水中达到工业指标的有Br-,NaCl,MgCl2,MgSO4,CaSO45种矿产,卤水浓度与矿化度、NaCl和Br-呈正相关关系。
3.
will change the content of chemical compositions in barrel such as volatile flavoring substances and phenol substances etc.
制桶的选材、风干、烘烤等工艺会改变橡木桶板材所含挥发性香气物质、酚类物质等化学组分的含量,从而影响橡木桶贮酒过程对葡萄酒质量的影响。
5) chemical constituents
化学组分
1.
In this paper, research advances on the chemical constituents, structure and activities of fucoidans from brown algae were reviewed.
综述国内外对褐藻岩藻聚糖的化学组分、结构和生物活性的研究进展。
2.
The chemical constituents of walnut shell were systematically studied.
对核桃壳的化学组分研究表明:核桃壳的主要组分是木素、纤维素和半纤维素,与其他植物相比,冷、热水抽出物,1%NaOH抽出物,酸不溶木素含量均较高,纤维素含量明显较低,多戊聚糖含量与阔叶材相近。
6) Multi-chemical ingredients
多组分化学成分
补充资料：组分
分子式：
CAS号：
性质：确定平衡系统中的所有各相的组成所需要的最少数目的独立物种称为组分。组分的数目称组分数，在相律中常用符号C表示。组分数与系统中存在的物种数(用符号S表示)有时并不相同。组分数可用关系式C=S-R-R′来确定。其中R为物种之间实际存在的独立的化学平衡关系的数目，R′为某一相中的浓度限制的数目。以水为例，它是单相系统，组分为H2O，故C=1。如考虑水中尚有H3O+及OH-，则S=3，但系统中肯定存在H3O++OH-F 2H2O的平衡关系，故R=1，此外在纯水中，必有H3O+的浓度与OH-的相等这一浓度限制关系，故R′=1。因此，C=3-1-1=1，故考虑H3+O及OH-，水仍然是单组分系统。
CAS号：
性质：确定平衡系统中的所有各相的组成所需要的最少数目的独立物种称为组分。组分的数目称组分数，在相律中常用符号C表示。组分数与系统中存在的物种数(用符号S表示)有时并不相同。组分数可用关系式C=S-R-R′来确定。其中R为物种之间实际存在的独立的化学平衡关系的数目，R′为某一相中的浓度限制的数目。以水为例，它是单相系统，组分为H2O，故C=1。如考虑水中尚有H3O+及OH-，则S=3，但系统中肯定存在H3O++OH-F 2H2O的平衡关系，故R=1，此外在纯水中，必有H3O+的浓度与OH-的相等这一浓度限制关系，故R′=1。因此，C=3-1-1=1，故考虑H3+O及OH-，水仍然是单组分系统。
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