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The hydrogenation and methyl esterification of furoic acid over Pd-Ni/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor under different conditions such as reaction temperature,pressure,H2 space velocity,space velocity of furoic acid and methol,ratio of H2 and furoic acid and so on.

以糠酸、甲醇、氢气为原料,采用连续流动固定床微反应器,Pd-Ni/γ-Al2O3为催化剂,使糠酸一步加氢甲酯化生成α-四氢糠酸甲酯。研究了反应的温度,压力,气、液体流速,进料流量等因素对催化反应的影响。结果表明:在1.5MPa,250℃,氢气空速3300 h-1,液体空速3.0 h-1(氢油比为50)时,糠酸转化率为96.6%,四氢糠酸甲酯的选择性97.2.0%,产率94.0%。催化剂稳定性较好,连续运转280小时后未见活性下降。该反应体系活性高,选择性好,反应压力低,催化剂性能稳定,操作简单,产物易分离

Exclusion is to:(1) be in the dry and reasonable than condensend envirogluvtm;(2) high-profile sites or dot part alleviate projecting;(3) filter innovativeink 15 ~ 25 μm;(4) in the business card printing and membership card production side out in the original paper, plastic substrate or dividingone;(5) in adding condensend innovativeink innovativeink cocatalyst of dilution in order to improve the flow of ink;(6) or buyang to speed up the drying oil;(7) solvent dye inks should reduce resin content; to reduce ink quantity, or add to slow down the envirogluvtm inhibitors;(9) do not make drying unit on the version of the wind;(10) in innovativeink-RI hexanaphthene TM3 or added.

摈斥的办法是:(1)拔取潮性公道而又较密的油不朱;(2)矮调部位或网点部位增轻印压;(3)从头功滤油不朱15~25μm;(4)在制卡和会员卡制作上不正以原纸、塑料离隔或变换承印物;(5)在密油不朱边补充密释油不朱的助剂,以提矮油不朱的固定率;(6)补增迟潮性油不朱或溶剂;(7)染料型油不朱答裁减树脂的含度;(8)裁减不求不朱度或补充减缓的油不朱抑制剂;(9)必要使潮燥安设上的风吹到版上;(10)在油不朱边补充TM3或硅油。

An influence and indoctrinization of adult thinking in this period will make a premature formation of babies' brain cells and thus hold back the development of creative thinking capability of babies.

如果在这一时期就给孩子太多的成人世界的思维方式与固定的模式,就会使孩子的大脑细胞连接过早定型,致使创造性思维的发展受到遏制。

ABSTRACT The ionic strength of mobile phase can significantly affect the peak shape of ionogenic compounds such as antibiotics in reversedphase high performance liquid chromatography. The influence may be attributed to overloading of ionogenic analytes in lower ionic strength mobile phase.

在反相高效液相色谱过程中,流动相的离子强度可显著影响可解离的化合物如抗生素的色谱峰形,原因在于流动相的离子强度较低时,色谱填料的固定相易于过载,使离子化的化合物的色谱峰形呈典型的过载特征――峰形接近直角三角形。

ABSTRACT The ionic strength of mobile phase can significantly affect the peak shape of ionogenic compounds such as antibiotics in reversedphase high performance liquid chromatography. The influence may be attributed to overloading of ionogenic analytes in lower ionic strength mobile phase. In such phase, peak becomes increasingly rightangled triangle in shape with increasing sample load together with increasing peak width and tailing.

在反相高效液相色谱过程中,流动相的离子强度可显著影响可解离的化合物如抗生素的色谱峰形,原因在于流动相的离子强度较低时,色谱填料的固定相易于过载,使离子化的化合物的色谱峰形呈典型的过载特征――峰形接近直角三角形。

ABSTRACT ionic strength of mobile phase can significantly affect the peak shape of ionogenic compounds such as antibiotics in reversedphase high performance liquid chromatography. The influence may be attributed to overloading of ionogenic analytes in lower ionic strength mobile phase. In such phase, peak becomes increasingly rightangled triangle in shape with increasing sample load together with increasing peak width and tailing.

在反相高效液相色谱过程中,流动相的离子强度可显著可解离的化合物如抗生素的色谱峰形,原因在于流动相的离子强度较低时,色谱填料的固定相易于过载,使离子化的化合物的色谱峰形呈典型的过载特征――峰形接近直角三角形。

Then joined Credit Lyonnais, the ever largest European Bank, as Director of BD for Corporate Finance, Vice President of Capital Market, participated in designing and executing the bank's strategy in China, successfully introduced the capital market business of the bank into China, made the bank as the first European bank that involved in China's Fixed Income business.

后加入法国里昂信贷银行任中国区公司金融部业务发展总监、资本市场部副总裁,积极推进该行的对华发展战略,成功地把这家当时的欧洲第一大银行的资本市场业务对接到中国,使其成为第一家涉足中国固定收益业务的欧洲银行。

Methods 20 cases of ankle joint fracture with inferior tibiofibular joint split were fixed with sponge bone compression screws to restore the malleolar cave structure.

对20例踝关节骨折伴下胫腓韧带分离患者按Bonnin分度法,Ⅱ12例,Ⅲ度8全和加压松质骨螺钉内固定术,使踝穴结构恢复正常。

Methods 20 cases of ankle joint fracture with inferior tibiofibular joint split were fixed with sponge bone compression screws to restore the malleolar cave structure.

对20例踝关节骨折伴下胫腓韧带分离患者按Bonnin分度法,Ⅱ度12例,Ⅲ度8例采用加压松质骨螺钉内固定术,使踝穴结构恢复正常。

American Dupont NOMEX fragrant gathers the amide paper, it is (chromatographic analysis textile fiber and short fiber) is composed of two kind of shape aromatic polyamide polymer, uses the special papermaking or the system board method, agglutinates Cheng Jibo the fibrous reticulum, undergoes high temperature high pressure processing, carries on the densification and the calendering causes them reliable to fix lowly in the same place, becomes not penetrable, electrical and mechanicalness energy level high whole.

美国杜邦NOMEX芳香聚酰胺纸,它是是由两种形态的芳香族聚酰胺的聚合物组成,使用特殊的造纸或制板方法,粘合成极薄的纤维网,经过高温高压处理,进行密化和轧光使它们牢固低固定在一起,成为不可渗透的,电气和机械性能极高的整体。

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