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Three new ferrocenylmethyl-substituted indenes and cyclopentadienes were synthesized by the addition of hydrogen anion and carbon anion to fulvene and benzo fulvene respectively, moreover, their structures were characterized by NMR and MS.

本文以二茂铁基富烯和二茂铁基苯并富烯为前体，通过负氢和负碳对双键的加成，合成了3个新型的二茂铁基甲基取代的茚及环戊二烯，并对其结构进行了核磁及质谱表征。

Methods Purification results were compared among the differential combination chromatography of anion and cation exchange, anion and cation exchange chromatography of both isocratic elution, and affinity chromatography.

阴、阳离子交换示差组合色谱法，以等度洗脱方法进行的阴、阳离子交换组合色谱，以及亲和色谱的纯化结果相对比。

The results show that myristic acid radical anion of precursor Zn0.78 Al0.2220.22c13h27COO0.81H2O can be almost completely replaced by complex anion [La(TiW11 O39)2]^3- under special controlled reaction conditions.

结果表明，该产物中[La(TiW11O39)2](上标 13-)配阴离子沿其长轴垂直于层板的方向分布于水滑石层板间，产物有规整的层状结构、大的层间距(d003=3.29nm)、良好的结晶度和热稳定性，产物对二甘醇与苯甲酸的酯化反应、二甘醇的脱水环化反应和苯甲醛的氧化反应具有良好的催化性能。

Auxiliary SJT-B is a 10% phosphorosilicate colloidal solution,containing Na+ and K+,SiO2-3 and PO3-4,and pentavalent poly phosphorosilicate chain anion formed from activated SiO23 and PO3-4 and the chain anion can bind Ca2+ and Mg2+,thus inhibiting scaling and metal corrosion.

助剂SJT-B是10%的磷硅酸盐胶体溶液，含有Na+和K+、SiO32-和PO43-等离子，在活化状态下一部分SiO32-和PO43-生成具5个负电荷的聚磷硅酸根链状阴离子，后者可结合Ca2+、Mg2+而形成纳米磷硅酸盐胶态粒子，避免结垢并防止金属腐蚀。

XRD indicated that the replacement of the terephthalate anion by the polytungstate anion had little effect on the structure.

结果表明，经过同多钨酸根阴离子的交换以后，垂直于水滑石层板方向的平行层板方向的晶格参数值变小，平行层板方向的晶格参数值不变，(003)、(006)、(009)衍射峰处的层间距值比为3：2：1；交换过程没有改变水滑石的结构，水滑石原位生长在γ-Al2O3表面及内孔，比表面积由γ-Al2O3载体的219m2/g增加到247m2/g，孔径分布则由原来的2～11nm变化为3～4nm。

XRD indicated that the replacement of the terephthalate anion by the polytungstate anion had little effect on the structure.

结果表明，经过同多钨酸根阴离子的交换以后，垂直于水滑石层板方向的平行层板方向的晶格参数值变小，平行层板方向的晶格参数值不变，(003)、(006)、(009)衍射峰处的层间距值比为3：2：1；交换过程没有改变水滑石的结构，水滑石原位生长在γ-Al2O3表面及内孔，比表面积由γ-Al2O3载体的219平方公尺/g增加到247平方公尺/g，孔径分布则由原来的2~11nm变化为3~4nm。

A terephthalate anion-pillared Ni-Al hydrotalcite-like layered double hydroxide was synthesized on the surface and within the pores of γ-Al 2O 3 by in situ crystallization and a polytungstate anion-pillared hydrotalcite was subsequently obtained by ion-exchange.

采用原位沉积法在γ-Al2O3表面原位合成了对苯二甲酸阴离子柱撑的镍铝水滑石，并用同多钨酸根阴离子部分交换了镍铝水滑石中的对苯二甲酸阴离子。

The effects of solution\'s pH value, mol ratio between phenyl aldehyde and L-Arginine, concentrations of sodium chloride, ammonia chloride andL-Lystine, initial concentration of L-Arginine on precipitation rate of a -tolylene arginine were investigated, the results indicated that phenyl aldehyde precipitation method\'s appropriate pH value was higher than 11, suitable mol ratio between phenyl aldehyde and L-Arginine was 1.25, initial concentration of L-Arginine was must higher than 15g/L, sodium chloride had little effect on precipitation rate, on the contrary, ammonia chloride and L-Lystine had great effect on it, both of them must be eliminated; At the same time, adsorption isotherm at 25 C of L-Lystine on anion exchange resin A was measured, the result showed that the maximal equilibrium adsorbance was 30mg/g, the influences of solution\'s pH value, temperature, concentration of chloride ion on adsorption of L-Lystine by anion exchange resin A were also studied, the results indicated that appropriate operational pH value was 0.5 0.2, the effect of temperature on adsorption ratio was little, process could be operated at room temperature, the concentration of chloride ion must be eliminated.

考察了溶液pH值、苯甲醛与L-精氨酸摩尔比、氯化钠与氯化铵浓度、L-赖氨酸浓度、L-精氨酸初始浓度对苯甲醛沉淀L-精氨酸的影响，结果表明，沉淀反应的适宜pH值大于11，苯甲醛与L-精氨酸的适宜摩尔比为1.25，(来源：Aa6BC论文网www.abclunwen.com)L-精氨酸适宜的初始浓度在15g/L以上，氯化钠的存在对沉淀率基本上没有影响，而氯化铵和L-赖氨酸的存在使沉淀率下降；同时测定了25℃时阴离子交换树脂A吸附L-赖氨酸的吸附等温线，表明其最大平衡吸附量为30mg/g，考察了溶液pH值、温度、氯离子浓度对阴离子交换树脂A吸附脱除L-赖氨酸的影响，结果显示从L-精氨酸和L-赖氨酸混合液中吸附分离出L-赖氨酸的适宜pH值为10.5±0.2，温度对L-赖氨酸吸附率影响不大，吸附过程可在室温下进行，氯离子的存在使L-赖氨酸的吸附率降低。

A monomer, trithiocarbonate anion is successfully"immobilized"onto the polymeric support by reaction of CS〓 with strong-base quaternary ammonium in anion exchange resin with OH〓 form.

研究了把CS〓离子固定到阴离子交换树脂上，以及它在CS〓悬浮体系中和另一单体，α，α'-二溴代二羧酸甲酯在阴离子树脂表面上进行的亲核取代反应。

Particularly, the neutral anion fluorescence chemical sensor uses cholic acid molecules as the molecule frame, and introduces a neutral thiourea or ureido to the positions of a 3 bit carbon atom and a 24 bit carbon atom to be used as a bonding unit; a fluorescence chemical functional group is introduced to the positions of the 3 bit carbon atom and the 24 bit carbon atom or to other positions and used as a signal unit, and then a neutral anion fluorescence chemical sensor is synthesized.

具体而言是以胆酸分子为分子骨架，在其3位碳原子和24位碳原子上引入中性硫脲或脲基，作为键合单元；在3位碳原子和24位碳原子上或其他位置引入具有荧光化学官能团，作为信号单元，合成中性阴离子荧光化学传感器。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。