查询词典 basicity

As an absorbent prepared by present invention contains the houghite compound, the absorbent can adjust the pore structure, the size and the acidity and basicity of the absorbent.

本发明所制备的吸附剂由于该吸附剂中含水滑石类化合物，可以针对硫化物分子对吸附剂的孔结构、尺寸以及酸碱性进行调节。

The catalyst was prepared by isochoric impregnation and had strong basicity.

考察了催化剂制备条件和反应条件对酯交换反应的影响。

The nickelous chloride both may use in to galvanize, and is prepares the galvanization chemical thionamic acid nickel the important raw material, lead is affects the electronickelling quality a important attribute, in the present industry 331 ion exchange resin deleading effect still could not arrive in the electronickelling the lead content standard, used pocket weak basicity resin XSC312 after the screening experiment determination to take from the nickelous chloride solution intermediate ion exchange except the micro lead resin, inspected the material fluid pH value, the contact duration in the ionic exchange column to the ionic exchange adsorption lead influence, has determined the resin adsorption capacity and inspected the resin analysis performance.

氯化镍既可用于电镀，又是制备电镀化学品氨基磺酸镍的重要原料，其中的铅是影响电镀镍质量的一个重要因素，现行工业中的331离子交换树脂除铅效果尚不能到电镀镍中铅含量标准，经过筛选试验确定采用大孔弱碱性树脂XSC312作为从氯化镍溶液中离子交换除微量铅树脂，在离子交换柱中考察了料液pH值、接触时间对离子交换吸附铅的影响，测出了树脂的吸附容量并考察了树脂的解析性能。

According to variation of slag oxidizability and basicity with time, the routes of slag formation during smelting medium and low phosphorus liquid iron were discussed in detail.

为此从炉渣碱度和炉渣氧化性两个方面讨论了复吹转炉冶炼低磷铁水和磷含量较高的铁水的成渣路线。

In solid phase process, the polyiodides, which include triiodide, pentaiodide, heptaiodide, nonaiodide and undecaiodide tetra-n-butyl ammonium iodide, tetrabutyl ammonium bromide and tetramethyl ammonium iodide poly-compounds, were synthesized by the low-heat solid phase reaction between iodine and tetra-n-butyl ammonium iodide, tetrabutyl ammonium bromide or tetramethyl ammonium iodide; In complexation process, solution polyiodides were synthesized by complexing action of different agents; In resinifying process, triiodide, pentaiodide, heptaiodide resinic polyiodides were synthesized by ion-exchange when the strong basicity styrene anion exchange resin, potassium iodide and iodine were used as raw materials.

固相法是用正四丁基碘化铵、四丁基溴化铵或四甲基碘化铵分别与碘作用，通过低热固相反应，合成出碘三、碘五、碘七、碘九和碘十一形式的正四丁基碘化铵、四丁基溴化铵或四甲基碘化铵的系列高聚碘化合物；在络合法合成溶液高聚碘的实验中，选用几种络合剂通过络合作用首次合成了溶液高聚碘；树脂法合成高聚碘的实验是采用强碱性苯乙烯系阴离子交换树脂、碘化钾和碘为原料，通过离子交换，合成了碘三、碘五和碘七形式的树脂高聚碘。

A series of polyaluminum silicate chloride with has basicity 2.0 and different Al/Si molar ratio, was prepared by means of two kinds of preparation methods: one is to add NaOH into AlC l3 6H 2O and polysilicic acid mixed solution at different Al/Si molar ratio, the other is to add polysilicic acid into polyaluminum chloride(PAC solution with different B at different Al/Si molar ratio.

一种方法是将 Na Cl 加入到不同 Al／ Si 摩尔比的 Al Cl3（6 H2O 和聚硅酸混合液中；另一种方法是按一定的 Al／ Si 摩尔比将聚硅酸加入到聚合氯化铝液中。

Slag basicity, foamed slag height, angle of blowing oxygen and reline mode are the main factors influencing lining service life of 20t EAF.

炉渣碱度、泡沫渣高度、吹氧角度、补炉方式等是影响20t电弧炉炉衬寿命的主要因素。

The relationship between the amount of rephosphorization and optical basicity is discussed through the analysis of change on the ladle slag deoxidation,secondary steelmaking slag flux and argon blowing.

本文通过对下渣炉次钢包渣在脱氧、精炼造渣、吹氩条件下渣子光学碱度的变化，分析了钢水回磷量与光学碱度的关系。

Results showed that extraction abilities depends on the hydrophobic of solutes which pK〓 values are similar, e. g. acetic, propionic, butyric and valeric acids, while pK〓 values affect dominantly the extraction abilities of acids with similar hydrophobic, e. g. formic, acetic, chloroacetic, dichloroacetic, and trichloroacetic acids. Meanwhile, diluents and TOA concentration also affect the extraction equilibria of acids through the specific basicity of TOA .

TOA对酸性差别很小的一元羧酸如乙酸、丙酸、丁酸、戊酸的萃取能力主要取决于羧酸的疏水性参数logP；TOA对疏水性参数差别较小的羧酸如甲酸、乙酸、一氯乙酸、二氯乙酸、三氯乙酸的萃取能力主要取决于羧酸的电性参数；稀释剂的种类、TOA的浓度都会影响TOA的表观碱度pH〓，并通过TOA的表观碱度影响羧酸的萃取平衡。

According to XPS data, the surface basicity of active coke is mainly ascribed to the delocalized π electrons of carbon platelets.

由XPS数据可知。随着活性焦表面的氧含量的减少，离域π电子趋于活跃，活性焦的碱性增加，证实了碳原子平面层上的离域π电子是活性焦表面碱性位存在的主要原因。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。