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The preparation method comprises monomer synthesis and polymer synthesis. The polymer synthesis is that cyclopentadienyl sodium monomer is added into metallic cobalt complex-triphenyl phosphorus cobalt chloride under strict oxygen-free and water-free conditions, and then double inner alkyne or outer alkyne conjugate monomer is added in, and after reaction, the precipitation, filtering, abstersion and vacuum-drying are carried out, the large molecules polymer containing cyclopentadienyl cobaltocenium organometallic cobalt is obtained.

制备方法,包括单体合成和聚合物的合成,聚合物的合成是在严格无氧无水条件下,在金属钴配合物三-三苯基磷氯化钴,加入环戊二烯钠单体,随后加入双内炔或双外炔共轭单体,反应后沉淀,过滤,洗涤,真空干燥,得到含环戊二烯茂钴有机金属钴的大分子聚合物。

Finally, the guideline for efficiently preparing core-shell structured capsule carrier was tentatively proposed.The cationic, neutral and anionic polysaccharides were separately acted as the liquid core of biomimetic capsule by mimicking the component and function of cell sap. It was found that the electrostatic repulsion interaction between the polysaccharide core and the enzyme enhanced the enzyme activity and stability.

首先,模仿细胞液的成分和功能选用三种具有不同电性的多糖(羧甲基纤维素钠、甲基纤维素和羧甲基壳聚糖钠)作为仿生微囊的液核,经比较可知,与酶分子具有静电排斥作用的多糖更有利于酶构象、活力的维持和酶稳定性的提高;然后,模仿细胞膜的结构和功能构建仿生微囊的壳膜。

Uranium solution is obtained electrolytically by reducing uranyl ion on mercury cathode. The effect of the addition of various aminopolycarboxylic acids (such as EDTA, DTPA, CyDTA and TTHA) and organic water-miscible solvents (such as CH3OH, C2H5OH and CH3COCH3) on the stability of ura-nium in air has been investigated. The absorption spectra of uraniumand uraniumin 1 mol/l and 9mol/l hydrochloric acid solutions are examined.

本文采用汞阴极电解还原法制备了铀溶液,研究了在盐酸介质中各种氨羧络合剂乙二胺四乙酸二钠、二乙三胺五乙酸、1,2-环已烷二胺四乙酸、三乙基四胺六乙酸和水溶性有机溶剂甲醇、乙醇和丙酮的存在对铀稳定性影响,测定了在不同盐酸浓度中铀和铀的吸收光谱。

Effects on the reaction of factors such as reactant ratio, reaction time, and reaction temperature were investigated, and optimum reaction conditions were determined as follows: mole ratio of cyanuric chloride to ethylamine to sodium hydroxide to sodium methyl mercaptide was 1:2.1:2.0:1.7, and the temperature and time of the first, second, and third substitution reactions were -2, 0, and 82℃ and 30, 60, and 180 min, respectively.

讨论了原料配比、反应时间和反应温度等因素对反应的影响,获得了较佳的反应条件。较佳反应条件为三聚氯氰:乙胺:氢氧化钠:甲硫醇钠=l:2.1:2.0:1.7,第一、第二、第三取代反应的反应温度和反应时间分别为-2℃、0℃、82℃和30、60、180min。

Chicken, Chicken Meal, Whole Ground Brown Rice, Whole Ground Barley, Chicken Liver, Pea Fiber, Chicken Fat (Preserved with Natural Mixed Tocopherols and Citric Acid), Brewers Dried Yeast, Natural Chicken Flavor, Dried Egg Product, Oil Blend (Soybean oil, Olive Oil, Salmon Oil, Evening Primrose Oil; Preserved with Natural Mixed Tocopherols and Citric Acid), Pumpkin, Apples, Sweet Potatoes, Carrots, Spinach, Blueberries, Dried Cranberries, Clams, Whole Ground Flaxseed, Calcium Carbonate, Salt, Potassium Chloride, Taurine, Green Lipped Mussels, Dried Chicory Root Extract, Yucca schidigera extract, Grape Seed Extract, Dried Kelp, L-Ascorbyl-2-Polyphosphate, Glucosamine Hydrochloride, Chondroitin Sulfate, Vitamin E Supplement, Ferrous Sulfate, DL-Methionine, Zinc Proteinate, Zinc Oxide, Manganese Proteinate, Niacin, Copper Proteinate, Folic Acid, Vitamin B12 Supplement, Copper Sulfate, Manganous Oxide, Vitamin A Supplement, Sodium Selenite, Thiamine Mononitrat Calcium Pantothenate, Riboflavin, Pyridoxine Hydrochloride, Biotin, Vitamin D3 Supplement, Menadione Sodium Bisulfite Complex, Calcium Iodate, Dried Lactobacillus acidophilus Fermentation Solubles, Dried Lactobacillus lactis Fermentation Solubles, Dried lactobacillus casei Fermentation Solubles, Rosemary Extract.

创造了一种全新的生产模式:低温焗炉焗制,低温焗烤不仅保存了食物中的营养和矿物质,而且降低了油份,让您的宠物食得更健康。更值得一提的是,通过数年投入大量人力、财力经过不断的尝试,终于于2009年年初研制出适合猫咪的最好食粮,无论从口感、成分配比,营养分析等综合因素,是您可以选择的最好的食材。鸡肉,鸡肉粉,全糙米,全地面大麦,鸡肝,豌豆纤维,鸡脂肪(天然保存溷合生育酚和柠檬酸),干酵母,天然鸡肉香精,干蛋产品,溷合油(豆油,橄榄油,三文鱼油,月见草油,天然溷合生育酚和柠檬酸保存),南瓜,苹果,红薯,胡萝卜,菠菜,蓝莓,小红莓干,蛤,全亚麻籽,碳酸钙,盐,氯化钾,牛磺酸,绿唇贻贝,干菊苣根提取物,丝兰提取物,葡萄籽提取物,干海带,L -抗坏血酸- 2 -聚,氨基葡萄糖盐酸盐,硫酸软骨素,维生素E补充,硫酸亚铁,DL -蛋氨酸,锌蛋白盐,氧化锌,锰蛋白盐,烟酸,铜蛋白盐,叶酸,维生素B12,硫酸铜,氧化锰,维生素A补充剂,亚硒酸钠,硫胺Mononitrat泛酸钙,核黄素,盐酸吡哆醇,生物素,维生素D3的补充,亚硫酸氢钠甲萘醌复合,碘酸钙,干嗜酸乳杆菌发酵米糠,干乳酸乳杆菌萃取物,干乳杆菌萃取物,迷迭香提取物。

Three kinds of cationic dyeable polyesters, CDP-Ⅰ, CDP-Ⅱ, and CDP-Ⅲ, which had different contents of SIPE, were synthesized and blended with PETRc.

利用三单体间苯二甲酸磺酸钠加入量较高的3种阳离子染料可染聚酯与回收聚酯共混,制得不同三单体含量的共混纤维。

Synthesis of di carbonate using bis carbonate and paracresol was a new approach and technology.

研究了三光气与邻甲酚反应合成碳酸邻甲酚酯的新方法,并对酚钠盐浓度、温度、三光气用量等因素的考察。

The fluorescent intensity ratio of the first vibronic peak (λ=373 nm) to the third vibronic peak (λ=383 nm) of pyrene solubilized in micelle decreased gradually, which was different from the conventional surfactant, such as SDS. The aberrant property indicated a broad micelle size for the m+nAr-T surfactants. That is, the aggregates of the studied surfactants gradually grew in size with increasing concentration over wide concentration range.

与传统表面活性剂不同,增溶于N-酰基牛磺酸钠胶团中的芘的第一个电子振动峰(λ=372nm)的荧光强度I1和第三个电子振动峰(λ=385nm)的荧光强度I3之比I1/I3值随着表面活性剂浓度的增加而缓慢降低,说明了N-酰基牛磺酸钠表面活性剂在低浓度区形成疏松的聚集体,随着浓度的增大则有更多的表面活性剂分子挤入已形成的聚集体。

The similar nicotinoyltrifluoroacetones are synthesized from acetylpyridine and ethyl trifluoroacetate through Claisen reaction.The influnences of alcoholic natrium,reaction temperature and solvent on reaction yield is studied.The subliming method is improved.

本文以乙酰吡啶和三氟乙酸乙酯为主要原料,利用克莱森酯缩合反应,合成了三种相似结构的吡啶甲酰三氟丙酮化合物,考察了碱性试剂醇钠、反应温度和溶剂等因素对反应产率的影响,改进了纯化产物的方法。

The rate constants and yields of aromatic halides containing substitute s with different electrophilicities were investigated.

三氟乙酸钠在以CuI为催化剂的条件下与卤代芳烃进行取代反应,生成相应的三氟甲基化合物。

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