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The preparation process of equisetum pratense total alkaloid includes the following steps: coarse pulverizing equisetum pratense to obtain rough powder, methyl alcohol percolation to obtain percolate, recovering methyl alcohol, concentrating, degreasing by means of petroleum ether, alkalifying concentrate, CHCl3 extracting, soda lye washing, neutral water washing, recovering CHCl3 to obtain rough alkaloid, adsorption by using silica gel column, eluting, recovering solvent so as to obtain refined EPR.

该发明是通过两个步骤来实现的:第一步,提取草问荆总碱,流程:草问荆粗粉――渗漉液――浓缩液(析胶、石油醚脱脂、氨水碱化)――碱化浓缩液(CHCl3萃取)――CHCl3层――CHCl3液(回收CHCl3)――粗生物碱――吸附硅胶柱――精致EPR。第二步,选择实验试剂、仪器、用小鼠作为实验对象,进行中枢神经系统实验,研究作用及作用机制。

Till now, the most used method for storage of hydrogen in array of SWNT's is by physisorption inside the SWNT's and on the outer surface of the SWNT's or in the interstice between SWNT's.

到目前为止,在单壁碳纳米管阵列中贮存氢的最常用的方法是通过虹吸作用或电化学作用使氢物理吸附在单壁碳纳米管的内部、外表面上或者单壁碳纳米管之间的间隙中。

The results showed that the corrosion of magnesium alloy in simulated cooling water was inhibited by addition of molybdate.

钼酸钠的加入减弱了腐蚀性Cl-在试样/介质界面的吸附,同时参与镁合金试样在模拟冷却水中表面膜的生成,使表面膜变得致密,从而较好地抑制镁合金的腐蚀;其缓蚀作用属于阳极抑制型缓蚀作用。

Methods Twenty five healthy volunteers were subjected to ETUS on the precordial region, and the parameter of ETUS was 0.8MHz, 1.2W/cm 2, the subjects were treated for 15 minutes daily for 7 days.

采用酶联免疫吸附法及发色底物法测定正常人经ETUS作用前、后,其血浆GMP 14 0、TXB2 、t PA及PAI 1含量的变化,并将经ETUS作用前、后的相应数据进行比较。

According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf , this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf , so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration , blockage the holes between fibers and capillary , cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber . at the same time , solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing

针对吸水变形、霉变主要发生在地板企口表面的特征,采用企口表面全封闭法,在复合强化地板企口表面喷涂特殊的防水封闭剂,使其依靠毛细管作用及渗透作用进入板内一定深度,堵塞木纤维之间的空隙及毛细孔通道,截断水分传递的渠道,并改变毛细孔壁及纤维的表面性质以不利于水的浸润与吸附,同时其固化后能在企口表面形成一层致密的憎水薄膜,防止水分、湿气从企口侵入板内引起木纤维膨胀变形、发霉等现象。

The main action of TiO_2 loaded on stilbite, rectorite, kaolin on azo dye was adsorption . The main action of quartz loading TiO_2 photocatalyst on azo dye was photocatalysis.Surface modification was made on quartz with ( OCH_3 )_3Si(CH_2)_3SH by dry process.

辉沸石、累托石、高岭土负载纳米TiO_2光催化材料对偶氮染料的作用主要为吸附,石英负载纳米TiO_2光催化材料对偶氮染料的作用主要为降解。

Significant processing steps can include: a phase changes involving either the desired molecule or the solvent, inert carrier or vehicle, e.g., dissolution, crystallization, evaporation, sublimation, distillation or absorption; b a phase separation such as filtration or centrifugation; c any chemical change involving the desired molecule, e.g., removal or addition of water of hydration, acetylization, formation of the salt; d an adjustment of the solution containing the molecule such as adjustment of pH or pO2; e a precision measurement of contained or added BPC components, in-process solutions, recycled materials is performed, i.e., weighing, volumetric measuring, optical rotation, spectrophotometric determinations, etc.; and f changes occur in surface area, particle size, or lot uniformity, e.g., milling, agglomeration, blending.

意义较大的步骤可能会包括:a相变化,包括指定分子或溶剂,惰性载体或溶媒,如溶出作用,结晶,蒸发,升华,蒸馏或吸附;b相分离,如过滤或离心;c涉及指定分子的任一化学变化,如结晶水的除去或添加,乙酰化作用,成盐;d包含分子的溶解的调节,如调节pH或pO2;e 含有或添加原料药组分,过程内溶液,回收物料的精密测量,如,称重,体积测量,旋光度,分光光度测定,等和f 表面,粒度,或批一致性的变化,如磨碎,凝块,混合。

From the results of IR and XPS spectrocopy. The cationic sol components H〓SiO〓 and 〓 of the solution trend to adsorp on the surface of electronegative aegirine because of electrostatic acctraction each other, and interrupted the collector's reaction with Fe〓 on the surface. Hence the flotation of aegirine was decreased, on the other hand, there is electrostatic repulsion between the surface of hematite and the cationic sol H〓SiO〓.〓, Which has advantage to dispersion of hematite particles, therefore, the hematite flotation is achieved sucessfully with anionic collector.

根据红外光谱和XPS测试结果可知,在弱酸性介质中,活性硅酸胶体抑制剂中荷正电的胶团H〓SiO〓及〓由于电性吸引而选择性地覆盖在荷负电的钠辉石表面,从而阻碍了阴离子捕收剂与表面Fe〓的配位作用,导致钠辉石的浮游被抑制;而赤铁矿表面由于荷正电,与矿浆中的H〓SiO〓、〓等硅酸胶团存在着电性排斥作用,有利于赤铁矿颗粒的稳定分散,所以赤铁矿能够被脂肪酸捕收剂吸附而选择性上浮。

With the addition of the agglomerant solution, the particle emission concentration in flue gas decreased significantly.The submicron particles agglomeration technology whose cost is cheaper can control the emissions of submicron particles and decrease the opacity of flue gas obviously without changing the operation parameters of the ESP.The particle agglomeration technique is a useful and promising method to control the emission of submicron particles from coal combustion.

结果表明,化学团聚对于超细颗粒物的脱除具有显著的作用,喷入团聚促进剂后的烟尘排放浓度远比无团聚和喷水的情况要低;团聚促进剂的高分子链对超细颗粒的吸附絮凝作用促进超细颗粒团聚,显著降低烟尘排放浓度,实现超细颗粒物经济高效脱除,达到国家新的烟尘排放标准。

The sewage flows from pool to plant, passing through retention reservoir to adjust PH value, into removing ammonia with temperature increasing to 20℃,into UASB reactor with temperature increasingto 35℃ to remove off COD and ammonia under the function of anaerobia, then into SBR reactor to remove BOD under the function of aerobia. When the biochemical disposal is completed, the processed sewage will come into the UF system to remove adsorbed solid, organic matter, bacteria, and pathogens in waterand finally come into the RO system to remove off dissolvable salinity, colloid, organic matter, and microbe in water.

垃圾渗滤液经储存池进入污水处理厂,经调节池调整PH值,经1#加热器升温到20℃进入氨吹脱塔脱氨氮,再经2#加热器升温到35℃进人UASB生物反应器,在厌氧菌的作用下降解COD和脱氮,再进入SBR生物反应器,在好氧菌的作用下降解BOD,完成生化前处理后转入UF超滤中空纤维膜系统进行分离处理吸附固体、有机物、细菌、病原体等;最后经高压泵送入进口的RO返渗透中空纤维膜系统中,进行分离处理可溶解盐分、胶体、有机物、微生物等。

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