硅酸

Optimization of polyester condensation process and reactor design;2. The Structure Characters of the Sulfonated Condensation Polymer Series High Performance;3. The pH value of the solution was adjusted,and the co- condensation reaction was taken place between the hydroxy groups forming transparent organic-inorganic hybrid films on polycarbonate.

以甲基丙烯酰氧基丙基三甲氧基硅烷(KH-570)水解聚合产物作为主要成膜物质，引入正硅酸乙酯水解产物硅溶胶作为无机增强物，调节两种混合溶液pH值，利用两者羟基之间的共缩聚反应在聚碳酸酯板表面制备有机/无机复合透明耐磨薄膜；采用TG/DTA、FT-IR、SEM及UV-V IS对成膜过程、薄膜性能与结构进行表征。

The obtained catalyst was used to catalyze the transesterification of crude cottonseed oil to produce biodiesel.

以NaSiO39H2O为原料，通过高温锻烧、研磨、过筛等工艺制得硅酸钠固体催化剂，将其用于棉籽毛油的酯交换反应制备生物柴油。

By the furnace body, the stainless steel crucible, electrically operated toward the multiple swinging material frame, stainless steel fast Leng Bao, the heating unit and control the warm cabinet to be composed automatically, may use the different resolver, carries on components quenching, the tempering heating, the isothermal quench to cool, the liquid thermochemical treatment and so on many kinds of crafts, the furnace body becomes by the section and the steel plate welding, the stove surface uses δ=14mm the board to make, the nitre salt furnace lining uses the ultra light quality high strength 0.6g/cm3 micro bead refractory brick, clamps the stratification aluminum silicate textile fiber, the furnace lining and the furnace shell fills the heat preservation inflation heat preservation powder, the entire structure for the standard energy conservation furnace lining, the nitre salt stove's heating element uses the thick diameter 0Cr25Al5 high temperature resistance wire to circle spiral-shaped according to the average temperature cloth silk law,Places in the furnace lining puts on the silk brick, puts the silk brick to use the front part to go up 20° against falls the silk brick, the resistance wire is not easy to drop out.

由炉体、不锈钢坩锅、电动往复式摆动料架、不锈钢速冷包、电热元件和自动控温柜组成，可以使用不同溶剂，进行零件淬火、回火加热、等温淬火冷却，液体化学热处理等多种工艺，炉体由型钢和钢板焊接而成，炉面采用δ=14mm板制成，硝盐炉衬采用超轻质高强度0.6g/cm3微珠耐火砖，夹层置硅酸铝纤维，炉衬与炉壳间填充保温膨胀保温粉，整个结构为标准型节能炉衬，硝盐炉的发热元件采用较粗直径0Cr25Al5高温电阻丝绕成螺旋状按照均温布丝法，安置在炉衬的搁丝砖上，搁丝砖采用前部上翘20°防掉丝砖，电阻丝不易掉出。

It's consists of furnace body, stainless steel crucible, electrically multiple swinging material frame, stainless steel fast cooling package, galvanothermy unit and the automatical control temperature tank, can use the different impregnant, carry through part quenching,tempering heating,isothermal quenchcooling,liquid chemical heat treatment and so on many kinds of technics, the furnace body is welded by profiled bar and armor plate, the surface of furnace is made of δ=14mm board, the nitre salt furnace lining from ultralight high-strength 0.6g/cm3 micro bead refractory brick, clamp stratificationfilled with aluminum silicate fiber, the middle of furnace lining and furnace shell filled with expanded heat preservation powder, the entire structure is the standard energy-saving furnace lining, according to the average temperature cloth silk law, the nitre salt furnace's heating element uses the

由炉体、不锈钢坩锅、电动往复式摆动料架、不锈钢速冷包、电热元件和自动控温柜组成，可以使用不同溶剂，进行零件淬火、回火加热、等温淬火冷却，液体化学热处理等多种工艺，炉体由型钢和钢板焊接而成，炉面采用δ=14mm板制成，硝盐炉衬采用超轻质高强度0.6g/cm3微珠耐火砖，夹层置硅酸铝纤维，炉衬与炉壳间填充保温膨胀保温粉，整个结构为标准型节能炉衬，硝盐炉的发热元件采用较粗直径0Cr25Al5高温电阻丝绕成螺旋状按照

The furnace shell welded by steel plate and steel,the lini-ng used ultra-light energy from refractory brick masonry, between the shell and lining expansion using silicate fibe-rs and heating insulation powder insulation,high temperat-ure alloy components resistance wire 0Cr25Al5 winding spi-ral formgalvanized-installed in the furnace built around the high alumina brick wire,crucible from Q235 low carbon steel plate from double-sided post-welding,thermocouple inserted from the side hearth furnace,contact crucible,squa-re crucible heat galvanizing EAF matching with automatic t-emperature controlcabinet,at room temperature -500℃ adju-stable within arbitrary and automatic thermostat.

炉壳由钢板和型钢焊接而成，炉衬采用超轻质节能耐火砖砌筑而成，外壳与炉衬之间采用硅酸铝纤维和膨胀保温粉保温加热，元件采用高温合金电阻丝 0Cr25Al5绕制而成螺旋状安装在镀锌炉膛周围的高铝搁丝砖上，坩锅由Q235低碳钢板双面剖焊而成，热电偶从炉体侧面插入炉膛，接触坩锅，方坩锅热镀锌炉配套有自动温度控制柜，在室温-500℃范围内任意可调，并自动恒温。

Furnace shell by section and steel plate welding full circle tubular, the chamber becomes by the 0.6g/cm3 ultra light quality micro bead energy conservation fireproof brickwork, his/her the endophragm all around even installment heater element, the crucible salt bath's chamber and the furnace shell fills the aluminum silicate textile fiber felt and the inflation heat preservation powder thermal insulation material, in the chamber places the high-temperature steel crucible, uses in the splendid attire salt fluid, the crucible cover by two semicircle constitutions, but rotates nimbly, covers has two holes, supplies the journal to hang the work piece.

炉壳由型钢和钢板焊接成圆筒形，炉膛由0.6g/cm3超轻质微珠节能耐火砖砌成，其内壁四周均匀安装加热元件，坩锅盐浴炉的炉膛与炉壳间填充硅酸铝纤维毡和膨胀保温粉保温材料，炉膛内置放耐热钢坩埚，用于盛装盐液，坩埚盖由两个半圆构成，可灵活转动，盖上有两个孔，供支承轴吊挂工件。

Furnace shell by section and steel plate welding full circle tubular, the chamber becomes by the 0.6g/cm3 ultra lightquality micro bead energy conservation fireproof brickwork, his/her the endophragm all around even installment heater element, the crucible salt bath's chamber and the furnace shell fills the aluminum silicate textile fiber felt and the inflation heat preservation powder thermal insulation material, inthe chamber places the high-temperature steel crucible, uses in the splendid attire salt fluid, the crucible cover by two semicircle constitutions, but rotates nimbly, covers has two holes, supplies the journal to hang the work piece.

炉壳由型钢和钢板焊接成圆筒形，炉膛由0.6g/cm3超轻质微珠节能耐火砖砌成，其内壁四周均匀安装加热元件，坩锅盐浴炉的炉膛与炉壳间填充硅酸铝纤维毡和膨胀保温粉保温材料，炉膛内置放耐热钢坩埚，用于盛装盐液，坩埚盖由两个半圆构成，可灵活转动，盖上有两个孔，供支承轴吊挂工件。

By the furnace body, the stainless steel crucible, electrically operated toward the multiple swinging material frame, stainless steel fast Leng Bao, the heating unit and control the warm cabinet to be composed automatically, may use the different resolver, carries on components quenching, the temperingheating, the isothermal quench to cool, the liquid thermochemical treatment and so on many kinds of crafts, the furnace body becomes by the section and the steel plate welding, the stove surface uses δ=14mm the board to make, the nitre salt furnace lining uses the ultra light quality high strength 0.6g/cm3micro bead refractory brick, clamps the stratification aluminum silicate textile fiber, the furnace lining and the furnace shell fills the heat preservation inflation heat preservation powder, the entire structure for the standard energy conservation furnace lining, the nitre salt stove's heating element

由炉体、不锈钢坩锅、电动往复式摆动料架、不锈钢速冷包、电热元件和自动控温柜组成，可以使用不同溶剂，进行零件淬火、回火加热、等温淬火冷却，液体化学热处理等多种工艺，炉体由型钢和钢板焊接而成，炉面采用δ=14mm板制成，硝盐炉衬采用超轻质高强度0.6g/cm3微珠耐火砖，夹层置硅酸铝纤维，炉衬与炉壳间填充保温膨胀保温粉，整个结构为标准型节能炉衬，硝盐炉的发热元件采用较粗直径0Cr25Al5高温电阻丝绕成螺旋状按照

The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced.

介绍了氟硅酸、碳酸氢铵制备冰晶石的新工艺。

According to the test result,the process of synthesis of cryolite from sodium fluorosilicate by ammonia method and the optimum process parameters are introduced in detail.

根据试验研究结果，详细介绍了氟硅酸钠氨法脱硅、氨化液化学合成制取冰晶石的工艺流程和优惠工艺技术参数，以及在制取过程中应着重注意控制的工艺条件，有效地解决了在以往生产中产品除硅、硫杂质难及产品灼烧失量大等问题。

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。