so4
- 网络四氧化硫
![so4](../cache/635643.jpg)
-
Experimental Research on Enhanced Coagulation to Micro-polluted Raw Water Treatment by [ Fe ( OH ) SO4 ] n
碱式硫酸铁强化混凝处理微污染原水实验研究
-
In order to evaluate the wax resistance of SO4 coating , model tests are made with steel plates acting as wax collectors .
为了评价SO4涂料覆盖层的防结蜡效果,采用板式结蜡器进行了模拟试验。
-
Nitrogen-doped TiO2 was prepared by Ti ( SO4 ) 2 solution reacting with NH3 aqueous solution .
采用硫酸钛与氨水反应制备掺氮TiO2。
-
But when we treated with Al2 ( SO4 ) 3 , these gene expression level is declined . 7 .
但是当我们用A12(S04)3处理后这些基因的表达水平却下降了。
-
Complex Fe2 ( SO4 ) 3 was used as catalyst for the synthesis of isooctyl chloroacetate .
以自制的复合硫酸铁Fe2(SO4)3&K2SO4催化剂合成了氯乙酸异辛酯。
-
Influence of Washing Method of Assay Apparatus to Determining SO4 ~ ( 2 - ) and Cl ~ - with Ionic Chromatogram Method
分析器具洗涤方法对离子色谱法测定SO4~(2-)和Cl~-的影响分析
-
Ti ( SO4 ) 2 / SiO2 was an environmental friendly catalyst with high activity , excellent selectivity , easy separation , and short reaction time .
该催化剂活性高,选择性好,易分离,反应时间短,是一种环境友好催化剂。
-
Effect of La2 ( SO4 ) 3 and IBA on Rooting in Sweet-scented Osmanthus Cutting
硫酸镧和IBA对桂花插条生根的影响
-
The static and dynamic experiments were studied in order to further investigate the defluorination performance of modified activated alumina by Fe2 ( SO4 ) 3 solution .
为了进一步考察Fe2(SO4)3改性活性氧化铝的除氟性能,进行了静态和动态试验评价。
-
The conclusions have been summarized as following : ( 1 ) The electrochemical properties of Fe2 ( SO4 ) 3were studied .
主要工作如下:(1)研究了Fe2(SO4)3材料的电化学性能。
-
And then the magnetic flocculation test is going on by selecting the best effect of flocculating agent ( polymerized Fe2 ( SO4 ) 3 ) .
之后选择效果最佳的絮凝剂(聚合硫酸铁)进行磁絮凝试验。
-
Bentonite was modified with cetyl pyridine bromide first , and then compounded with Al2 ( SO4 ) 3 this paper .
用溴代十六烷基吡啶对天然膨润土进行改性,制得CPB-膨润土,然后与Al2(SO4)3复合制得复合CPB-膨润土。
-
With catalyzed by Zr ( SO4 ) 2 '4H2O / SiO2 we have found this method has the merits of short reaction time , high yields and easy to control .
而以硅胶负载四水硫酸锆催化裂解1,1&二乙酸酯,其方法具有反应时间短、收率高、环境友好、易操作等特点。
-
The uniformity of mesoporous pore was improved , and the size of mesoporous pore was about 4 nm after modified by SO4 "" and Ce .
经SO4~(2-)和Ce改性的催化剂孔径均一性得到提高,孔径分布集中在4nm左右。
-
In this paper , the synthetic method of iso-amyl benzoate by using solid acid Zr ( SO4 ) 2 · 4H2O as catalyst has been investigated .
考察了采用固体酸Zr(SO4)2·4H2O为催化剂合成苯甲酸异戊酯。
-
Remarkably different from other anions , soil available SO4 ( 2 - ) was increased dramatically after soil was cultivated . The profile distribution characteristics of different anionic nutrients was different .
与其它阴离子显著不同的是.经耕作熟化后,土壤有效性SO含量急剧增加,不同的阴离子态养分在土壤剖面中的分布特点不同。
-
The novel potassium ionic sieve was synthesized by the way of hydrothermal growth using Al2 ( SO4 ) 3 , soluble glass and KOH as the raw materials .
本文以Al2(SO4)3、水玻璃、KOH为主要原料,采用水热合成法合成了新型钾离子筛晶体。
-
Comparative analyses on the wax deposition are made for different types of crude oils by using two wax collectors under the same process conditions , one coated with SO4 , the other with no coating .
在相同的工艺条件下,对几种原油在涂有SO4涂料覆盖层表面和裸露钢表面上的结蜡情况进行了对比分析。
-
The result indicated that GA3 , Al2 ( SO4 ) 3 and citric acid solution can improve obviously the blossom rate of weeping forsythia and the flowering time in advance .
结果表明,赤霉素、硫酸铝、柠檬酸在浓度为3%的蔗糖溶液配合下能显著提高连翘的开花率,提早开花。
-
Only 15.5 % Fe2 ( SO4 ) 3 compared with 0.9 % NS in GCF-AST , the significant difference in first day and third day after retraction ( p < 0.05 ) .
以生理盐水组GCF变化量为参照,15.5%Fe2(SO4)3组GCF-AST量在第一天与第三天与之有显著性差异(p<0.05)。
-
The treatment of the wastewater containing cation dyes by PAC or Al2 ( SO4 ) 3 as coagulant and PAM as coagulant aid have been studied by the orthogonal process .
通过正交试验研究分别用混凝剂PAC、Al2穴SO4雪3与助凝剂PAM复配对阳离子染料废水进行混凝处理。
-
The results show : the addition of TiO2 to Zr ( SO4 ) 2 , the crystalline structures of catalysts was anatase TiO2 , Zr ( SO4 ) 2 was amorphous ;
结果显示:添加TiO2后,催化剂表面氧化物的晶型结构主要是锐钛矿型的TiO2,没有观察到Zr(SO4)2的晶型衍射峰,Zr(SO4)2以无定型形式存在。
-
Comparison in different groups , to 15.5 % Fe2 ( SO4 ) 3 , the significant difference in first day and third day after retraction compared with the others in GCF variety ( p < 0.05 ) .
组间两两比较,15.5%Fe2(SO4)3组在第一天、第三天GCF变化量与其他各组均有显著性差异(p<0.05)。
-
Propyl Propionate was catalytically synthesized by the esterification reaction of n - propanol with propionic acid by catalysis of Ti ( SO4 ) 2 · 4H2O .
以硫酸钛为催化剂催化丙酸与正丙醇的酯化反应合成了丙酸丙酯。
-
After immersed in Cr2 ( SO4 ) 3 solution followed by calcining at different temperatures , Cr3 + doped porous anodic alumina ( PAA : Cr ) were prepared with different crystal structure .
以氧化铝模板(PAA)为母体,通过浸泡Cr2(SO4)3溶液掺入三价Cr离子,将掺杂的PAA煅烧使其晶化,不同的煅烧温度形成不同的相。
-
At present , about sulfate free radicals ( SO4 - ·) advanced oxidation technology research mostly concentrates on the degradation of organic pollutants in the soil or water , there have been very few reports on the sludge treatment .
目前,关于硫酸自由基(S04-·)高级氧化技术的研究大多集中于处理土壤或水体中的有机污染物,而将硫酸自由基应用于处理污泥的研究国内外少见报道。
-
Solid super acid SO4 / TiO2 / La3 + was prepared and used for the catalytic synthesis of isoamyl propionate . The yield of isoamyl propionate reaches 95.7 % under the proper conditions .
制备固体超强酸SO42-/TiO2/La3+催化合成了丙酸异戊酯,酯化率可达95.7%,且催化剂可重复使用。
-
The compound flocculant of M-25 and Al2 ( SO4 ) 3 can improve the flocculation efficiency and the removal rate of COD , which reach to 77.2 % and 79.8 % respectively .
M-25与Al2(SO4)3复配后,可提高处理效率,絮凝率和COD去除率分别达到77.2%和79.8%。
-
The application of ammonium sulfate (( NH4 ) 4 SO4 ) in soil was in the order of 0 , 2 , 4 , and 16g / pot respectively , at the flowering stages .
花期土壤施硫酸铵量分别为0、2、4和16克/盆。
-
The experiment used the phosphoric-acid-ester-amine as a flocculant , and cooperated with liquor of Al2 ( SO4 ) 3 to dispose waste water of nature gas well in east of Sichuan , and attained available result .
以磷酸酯胺盐作为絮凝剂,与Al2(SO4)3溶液复配使用,在对川东天然气钻井废水的絮凝处理实验中获到一定效果。