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For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.

将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中,该改性固体超强碱催化剂表现出了良好的催化活性:以苯乙酮和苯甲醛为原料,反应温度为40℃,催化剂用量为反应物总质量的7.5%,苯甲醛与苯乙酮摩尔比为1:1.1,反应3h查尔酮产率可达96.88%;以环已酮为原料,催化剂用量为原料总质量的10%,反应温度为190℃,反应3h,二聚物的总收率可达85.66%;以动物油和甲醇为原料,醇油摩尔为9:1,催化剂用量为动物油质量的2%,反应温度为70℃,反应3h后,生物柴油的收率可达91.8%。

Aseptically remove a sufficient quantity of solids from the appropriate amount of containers (see Table 2), mix to obtain a composite, equivalent to about 6 g of solids, and transfer to a sterile 500-mL conical flask.

以无菌操作从适当数量的容器中(见表2)取出足够数量的固体,混匀以获得等同于6g固体的混合物,转移至一个无菌的500mL锥形烧瓶。

Then, a novel biporous resin was prepared with granules of sodium sulfate and toluene and n-heptane as porogenic agents based on the concept of a novel porogenic mode, cooperation of solid granule and solvent.

在此基础上,采用固体颗粒与有机溶剂联合致孔模式,以硫酸钠颗粒为固体致孔剂,制备新型双孔离子交换剂。

The noel use of boronic acids as solid support linkers as well as the translation of metal catalysed cross-coupling reactions to solid support synthesis has now been accomplished.

除了作为合成固体载体的金属催化的交叉偶联反应的过渡,boronic acids作为固体载体交联剂的新型应用已经实现。

SO〓〓/M〓O〓 solid superacid was applied to the photocatalytic oxidation of organic pollutants for the first time. Porous SO〓〓/TiO〓 solid superacid catalysts with high specific surface area were prepared by sol-gel method. The photocatalytic degradation of bromomethane was used as model reaction. The influence of impregnation with H〓SO〓 solution on the structure of catalysts and their photocatalytic performance was systematically studied by using X-ray diffraction, X-ray photoelectron spectroscopy, N〓 sorption analysis applying BET method, UV-Vis diffuse reflectance spectroscopy, FTIR spectroscopy, O〓-TPD and photocatalytic activity measurement. The acidity of TiO〓-based catalysts was investigated by Hammett indicator method, NH〓-TPD and IR spectra of pyridine adsorbtion. The mechanism of superacidifing effects on photocatalytic performances such as the photocatalytic degradation rate of bromomethane, apparent kinetic constant and apparent quantum efficiency was discussed.The results indicated that SO〓〓 is combined with metal ions of TiO〓 in a chelating bidentate mode.

本文首次将SO〓〓/MxOy型固体超强酸催化剂用于光催化氧化有机污染物研究,采用溶胶-凝胶法制备了具有多孔性和大比表面结构的二氧化钛基固体超强酸光催化剂SO〓〓/TiO〓,以光催化降解溴代甲烷为模型反应,系统地研究了H〓SO〓浸渍处理对催化剂表面酸性及其气相光催化性能的影响,结合XRD、BET、XPS、FTIR、Hammett指示剂法、吡啶吸附红外光谱、NH〓-TPD、O〓-TPD、紫外可见漫反射光谱等多种表征手段,深入地讨论了超强酸化对TiO〓的改性机理,阐明了引起SO〓〓/TiO〓超强酸催化剂光催化降解溴代甲烷的转化率、表观反应速率常数和表观量子效率变化的本质原因。

The organic-inorganic compound fertilizer is produced through composting, compound with inorganic fertilizer and granulation, based on such the raw materials of solid waste as the causticization, lignin, sludge and grass residue, from paper-mills by alkaline-straw process.

利用碱法草浆造纸产生的固体废弃物:白泥木质素生化污泥及废草渣,经堆肥处理后与无机肥复配造粒,生产有机-无机复混肥,并进行了农田试验结果表明,该有机-无机复混肥可有效提高作物产量,改善作物品质,并对土壤具有显著的改良作用该研究对防止碱法草浆造纸的固体废弃物对环境的污染具有重要意义

In detail the process of the invention relates to a method for solubilising an oil-soluble pigment into an oil or fat by extraction of a solid preparation containing the oil-soluble pigment comprising the steps of a mixing the solid preparation containing the pigment with water, an extraction medium containing an edible oil or fat, and a nonionic surfactant having a hydrocarbyl group, an acyl group or a substituted hydrocarbyl or acyl group containing at least 6 carbon atoms; b optionally centrifugalize the mixture obtained and separate the oil phase.

具体而言,本发明方法涉及一种通过萃取含有油溶性颜料的固体制剂而使油溶性颜料在油或脂肪中增溶的方法,其包括步骤a将含有颜料的固体制剂与水、含有食用油或脂肪的萃取介质以及具有含至少6个碳原子的烃基、酰基或取代烃基或取代酰基的非离子表面活性剂混合,和b任选将所得混合物进行离心并且分离油相。

Experimental study on enhanced deaquation process for extra-heavy crude oil using dehydrant ;2. DMF refining by molecular sieve as dehydrant ;3. Hybrid catalysts composed of JC207 methanol synthesized catalyst and dehydrant (HZSM-5 zeolite or γ-Al2O3) were prepared for the synthesis of dimethyl ether.

采用甲醇合成催化剂JC207和固体酸脱水剂(HZSM-5分子筛或γ-Al2O3)混合制得合成二甲醚双功能催化剂,并在固定床反应装置中进行了活性评价,考察了固体酸脱水剂的酸性对一步法合成二甲醚的影响。

The experimental investigation and analysis are presented for exploring the intrinsic link betweencompressive deformational response and crack behavior of the mortar specimens.

1引言 微裂纹的萌生、演化和成核而引起受损固体的非线性力学响应对材料和工程的变形和破坏非常重要,对于以水泥为基材的脆性固体材料,裂纹常常是材料的非弹性变形和破坏的决定性因素,因而它已经成为一项重要的研究课题[1]。

A series of acrylic resins were synthesized by using ditertiary butyl peroxide as a free radical initiator and 2-mercaptoethanol as a chain transfer agent.

以过氧化二叔丁基为自由基引发剂、巯基乙醇为链转移剂,合成了高固体分、低粘度的羟基丙烯酸树脂,其粘度在1000mPa·s以下,固体分高达65%~70%。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?