试验物
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Based on the problem of various types of catalyst and according to the features of carbonylation catalysts reactions, our team has been designed a series of new metal complexes of benimidazoles, which can be used for carbonylation catalyst of industry. Seven new benzimidazole derivatives were prepared by the o-phenylenediamine、oxalic acid、glycolic acid、monomethyl monopotassium malonate、ethyl cyanoacetate、succinic anhydride. The structures of them were confirmed by IR、Elemental analsis. The crystal structures of d and e were determined by X-ray single crystal diffraction of Germanic Bruker Smart APEX II CCD. The catalysis of them was tested by carbonylation reactions.
本文设计以邻苯二胺和草酸、羟基乙酸、丙二酸单甲酯、氰基乙酸乙酯、丁二酸单甲酯为原料采用PPA催化和无机酸催化法,合成了4种苯并咪唑-2-羧酸衍生物并进行了表征;培养了2个化合物d、e的晶体并测定和讨论了晶体结构;制备了3种未见报道的苯并咪唑金属配合物,对配合物在羰基化法制醋酐-醋酸反应的催化作用进行了初步试验。
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By chemical stability test under storage conditions of illumination and 25℃, it showed that cefradine dihydrate crystal was obviously more stable than anhydrous one.
同时通过光照及25℃贮存条件下的化学稳定性试验,表明头孢拉定二水物结晶比无水物结晶明显稳定。
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The antimicrobial test and researched was done on wide distillation of different solvents on Terpenoid, polarity separation of ethanol distillable substance, thin layer chromatography of different polarities and distillation of amylase. The results showed that the active substance distilled by 95% ethanol and V methanol: toluene=3:1 had stronger antimicrobial activity on Agaricus blazei Murrill. The antimicrobial activity of ethyl acetate was stronger than wide distilling substance with ethanol, but the water part has not antimicrobial effect. Two straps of ethyl acetate phase(Rf0.57、Rf0.63)(0.1g/ml)had stronger antimicrobial activity on Agaricus blazei Murrill, the antimicrobial zone on Pseudomonas was 19.3mm. The bacteriostatic activity of chromatography strap of water phase was rather weaker, the water solution (0.5g/g) of amylase had better effect on pathogenic fungus of Agaricus blazei Murrill, its antimicrobial zone on Aspergillus niger, Citrinin, Trichoderma viride were 10.8 mm, 7.9 mm, 5.3 mm.
通过对日本凹顶藻以不同溶剂的粗提、乙醇提取物的极性分离、不同极性的薄层层析和多糖的提取,进行抗菌试验的研究,发现95%乙醇和V甲醇:甲苯为3∶1的提取的活性物质具有较强的抗姬松茸的病原细菌活性,乙酸乙酯相对病原细菌的抑菌强于乙醇的粗提物,而水相基本无抑菌效果,乙酸乙酯相的两个带(Rf0.57、Rf0.63)浓度为0.1g/ml具有较强抗姬松茸病原细菌的活性,对假单孢杆菌抑菌圈达到19.3mm,水相层析带的抑菌活性较弱,多糖的粗提物配成0.25g/g的水溶液对姬松茸病原真菌有较好的抑菌效果对黑曲霉、桔青霉和绿色木霉的抑菌圈分别达到10.8 mm、7.9 mm、5.3 mm。
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In this paper, the marine soft soil is mixed with 10% cement added with 0.5% NaOH and 0.5% Na2CO3 separately, which form two types of new cement-soils. Comparing with the undisturbed soil and the 20% cement-soil results in that the alkalescence additive can contribute to generate a large number of needle-like, rod-like or fibriform hydrate calcium silicate crystals. The hydrate calcium silicate crystals can inhibit the generation of calcic alum crystal which would bring expansive action. At the mean time, it can separate out hydrate calcium. The hydrate calcium silicate crystals and hydrate calcium constitute the filling and inclusions together among soil particles and on the surface of soil particles, which cut down the interstices of cement soil obviously. Therefore, the soil mass can be reinforced and the intensity can be improved.
现场试验中将海积软土与分别掺入0.5%NaOH和0.5%Na2CO3的10%水泥就地搅拌,形成两种新型水泥土,在与原状土及20%纯水泥土进行比较后,发现碱性外掺剂可以促使生成大量针状、棒状或纤维状水化硅酸钙晶体,抑制了能产生膨胀作用的钙矾石的生成,同时,有Ca2晶体析出,它们共同构成土颗粒间和土颗粒表面的充填物和包裹物,使水泥固化土的孔隙明显减小,密度和强度得到极大提高。
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The allograft was harvested at 6h posttransplantation. Scrambled ODN group: The donor kidney was stored for 6h in ECs containing 1 u M Liposome/scrambled ODN complexes under hypothermal and hypoxia condition, then the donor kidney was transplanted into a SD recipient, and at 6h posttransplantation the allograft was harvested.
五、试验分四组:(1) Control组假手术组,Wister大鼠麻醉后,开腹后,即将伤口缝合,6h后切取左肾;(2) ECs组供肾经ECs(不含脂质体/ODN复合物)低温缺氧保存6h,移植到受体大鼠6h后切取移植肾;(3)deeoy onN组供肾经含1 pM的deeoy onN脂质体复合物的ECs 低温缺氧保存6h,移植到受体大鼠6h切取移植肾;(4)sc~。
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Through the experiment of Leucaena leucocephal forest litter water-holding characteristics in Jinsha river hot and dry valley ,the litter water retaining capacity was studied.
通过对金沙江干热河谷新银合欢人工林内枯落物层持水特性的试验研究,总结出林内枯落物层的持水特性。
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To synthesize the results of the research above, we found that the well result of the study on activities and detergency are extracted by methanol extracts. It had ability of antioxidant and anti-iflammatory activity on the biological activities. Sapindus mukorossi were surface activity well and stretched less damage on hair. It will raise application value of Sapindus mukorossi on cosmetics.
综合以上之结果,甲醇萃取物为乾燥粉末可增加原料保存性,且发现在生物活性及清洁力试验上皆以甲醇萃取物之效果最好,具抗氧化、抗发炎能力,此外存在表面活性优良性质,对头发强度之伤害性小,因此增加其在化菻~上之应用潜力。
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A new fullerene derivative containing energy-producing groups was prepared, and the reaction conditions affecting the yield were studied by the kroenecker method. The optimal reaction conditions with a 53.5% yield (based on consumed C60) are: 1:3:6 of molar ratio of C60 , o–nitrobenzaldehyde and sarcosine , 55℃ of reaction temperature, 12 h of reaction time, 40mL of toluene solvent.
利用N-甲基甘氨酸、邻-硝基苯甲醛和C60反应,合成分离出了含有硝基的新型富勒烯吡咯烷衍生物,通过正交试验对其工艺条件进行了研究,探讨了反应物剂量比、温度、时间和溶剂体积对产物产率的影响,得到了合成产物的最佳工艺条件:反应物剂量比为1:3:6、温度为55℃、反应时间为12h、溶剂甲苯体积为40mL,此时产物产率可达到53.5%(以消耗的C60计)。
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It was iound in the experiment that the glass fiber made crystal peak temperature raise 8~9 ℃, Crystal original taper to be large, spherocrystal size small, it -acted the function of hetero-geneous nucleation for polypropylene . High density polyethylene has plasticizing efficancy and combined effect of hetero-geoeous nu...
试验表明PP/GF/HDPE复合物的结晶峰温度升高8~9℃,结晶起始斜率变大,球晶几何尺寸明显减小,复合物中的玻璃纤维起到异相成核作用,高密度聚乙烯对聚丙烯有增塑作用并对异相成核具有协同效应。
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The result shows that: the extraction of petroleum ether, polysaccharide and sodium copper chlorophyllin from banana leaves perform higher spumescence ability and foam stability. The critical concentration form pastern namely CMC and the surface tension in this concentration are 1.0 g/l (34.295 mN/m), 1.0 g/l (42.398 mN/m), 3.0 g/l (40.123 mN/m) respectively, which the value is close or excess the reference samples. The emulsify capability of the extraction of petroleum ether is the best in these active ingredients, and close to the emulsify capability of Tween-80. The emulsify capability of polysaccharide and sodium copper chlorophyllin from banana leaves are follow then.
试验结果表明:香蕉叶石油醚抽出物、叶多糖和叶绿素铜钠盐具有良好的起泡性和稳泡性;其临界胶束浓度CMC值和其该浓度下的表面张力分别为:1.0g/l(34.295 mN/m),1.0g/l(42.398 mN/m),3.0g/l(40.123 mN/m),已经接近或超过参照物的表面活性;香蕉叶石油醚抽出物的乳化能力最强,乳化性能已接近乳化剂吐温-80,其次为叶多糖和叶绿素铜钠盐。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。