硝酸铈
- 网络cerium nitrate;Ceric nitrate
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利用具有中低强度的X射线的CT扫描仪对该种树脂纳米铈复合材料扫描,发现在相同含量的条件下树脂纳米铈复合材料比普通硝酸铈对X射线的衰减能力高许多。
The attenuation to X-ray was measured by X-ray CT scanning machine . It was found that the property of attenuation to X-ray of nano-cerium was much better than that of typic cerium nitrate .
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采用硝酸铈和硝酸镧混合溶液对AZ31镁合金进行了双稀土转化处理,讨论了浸渍时间对转化膜耐腐蚀性能的影响。
AZ31 Mg alloy substrates were soaked in the mixed solution of cerium nitrate and lanthanum nitrate to generate dual rare earth conversion film .
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以葡萄糖、丙烯酰胺和硝酸铈铵为原料制备介孔CeO2
Synthesis of Mesoporous CeO_2 Using Glucose , Acrylamide and Ammonium Cerium (ⅳ) Nitrate
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硝酸铈对大鼠组织中ATP酶活性的影响
Effect of cerous nitrate on the activity of ATPase in tissues
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以硝酸铈为原料,碳酸氢铵为沉淀剂,用微波加热的方法制备了纳米CeO2超细粉体。
Nanometer CeO_2 powders were prepared by means of microwave radiation using cerous nitrate and ammonium hydrogen carbonate .
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以硝酸铈铵(CAN)为引发剂,在羽绒粉体上接枝马来酸酐(MAH)。
Down-powder was grafted with MAH as monomer and CAN as initiator .
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以硝酸铈、酒石酸铵为原料,采用络合沉淀法制备了CeO2纳米晶。
The nanocrystalline CeO_2 was prepared by complexed-precipitation method from Ce ( NO_3 ) _3 · 6H_2O ( A.R ) ammonium tartrate .
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以硝酸铈和氧化钆为前驱物,采用凝胶浇注工艺合成了钆掺杂氧化铈(Ce0.8Gd0.2O1.9,简称GDC)粉体。
Gadolinium doped ceria Ce_ 0.8Gd _ 0.2O _ 1.9 ( GDC ) powders were synthesized by a gel-casting method .
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硝酸铈铵-乙二胺四乙酸引发壳聚糖与MAA和VAc接枝共聚合
Synthesis of the graft-copolymerization of MAA and VAC on chitosan grafting with cerous ammonium nitric - ethylene diamine tetraacetic acid as an initiator
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以硝酸铈铵为引发剂将丙烯酸丁酯(BA)与淀粉(S)接枝共聚,考察了淀粉糊化对接枝反应的影响。
Graft copolymerizations of butyl acrylate ( BA ) onto starch ( S ) were carried out with ceric ammonium nitrate as initiator , and influence of starch pasting on graft reaction is tested .
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用硝酸铈铵作为引发剂,N,N′-亚甲基双丙烯酰胺作为交联剂,使淀粉接枝共聚丙烯酰胺,在粘土存在的悬浮液中反应,然后水解,制得粘土有机树脂超吸水复合材料。
Using ammonium ceric nitrate and N , N ′ methylene bis acrylamide as an initiator and cross linkage agent respectively , a super absorbent was prepared by graft polymerization of acrylamide on starch in the present of clay suspension , followed by hydrolyzing .
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本工作用硝酸铈铵作引发剂,N,N-亚甲基双丙烯酰胺作交联剂,将丙烯酰胺与洋芋淀粉进行接枝共聚,然后水解,从而制得了超高吸水性聚合物。
In this paper , we have reported a super-absorbent polymer , which was prepared from graft copolymerization of acrylamide onto potato starch used ammonium eerie nitrate and N , N ' - methy-lene-bis-acrylamide as an initiator and cross-linking agent respectively , then was hydrolyzed .
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在酸性水介质中,以硝酸铈铵为引发剂合成了丝胶-甲基丙烯酸甲酯接枝共聚物,其结构经1HNMR,IR,SEM和GPC表征。
The graft copolymers of silk sericin and methyl methacrylate were synthesized by using ceric ammonium nitrate as initiator in acidic aqueous medium . The graft copolymers were characterized by ~ 1H NMR , IR , SEM and GPC .
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硝酸铈铵(CAN)均相氧化还原引发烯类单体聚合和六甲基膦酰三胺(HMPA)对聚合的影响。
Ceric ion homogeneous redox systems for polymerization of vinyl monomers and effect of HMPA on polymerization .
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以纳米锐钛矿型TiO2粉体和硝酸铈为原料,采用浸渍法制备了纳米Ce/TiO2无机抗菌剂,运用抑菌圈法对其抗菌性能进行了评价,并对其抗菌机理进行了探讨。
With anatase nano-TiO2 and Ce ( NO3 ) 3 as raw materials , the nano-Ce / TiO2 inorganic antibacterial agent have been prepared by impregnation method . The antibacterial activities was evaluated with the halo method and the antibacterial mechanism was studied .
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在交联剂存在下,以硝酸铈铵为引发剂研究了玉米淀粉(St)与甲基丙烯酸乙醋(EMA)和丙烯酸丁酯(BA)进行自交联接枝共聚合成反应的规律。
The characteristics of self cross liking graft copolymerization of ethyl methacrylate ( EMA ) and butyl acylate ( BA ) onto starch ( St ) were investigated with ceric ammonium nitrate as initiator in the presence of cross linking agent .
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观察稀土化合物硝酸铈和硝酸铈铵对人膀胱癌细胞株EJ、人纤维肉瘤细胞株HT-1080生长的抑制作用及其MMP-9表达和活性的影响;
CONTENT The effects of cerium on the cell survival of the human bladder carcinoma cell line EJ and the fibrosarcoma HT-1080 , the expression and activity of their MMP-9 were observed .
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以硝酸铈铵-乙二胺四乙酸(CAN-EDTA)为引发剂,研究了壳聚糖与甲基丙烯酸(MAA)的接枝共聚反应。
Methacrylic acid ( MAA ) was grafted by copolymerization on chitosan ( Ch ) using ceric ammonium nitrate ( CAN ) and ethylenediamine tetraacetic acid ( EDTA ) as redox initiator in aqueous medium .
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当碳酸氢铵与硝酸铈的摩尔比为3∶1左右、沉淀温度为50℃左右时制备的CeO2具有小的一次粒径,而且产品的分散性好。
As the molar ratio of NH_4HCO_4 to Ce ( NO_3 ) _3 is about 3 ∶ 1 and the precipitation temperature is about 50 ℃, the prepared CeO_2 has small primary particle size and good dispersibility .
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以高价铈盐(硝酸铈铵)和多羟基有机物(丙三醇、季戊四醇、蔗糖)组成的氧化还原引发体系为引发剂引发丙烯酰胺(AM)自由基聚合,采用1H-NMR和SEC方法对产物进行结构表征。
Acrylamide polymerization was conducted using Ce ~ ( 4 + ) and multi-hydroxyl reducer ( such as 1,2,3-propanetriol , pentaerythritol and sucrose ) as initiator systems . Polyacrylamide synthesized were characterized by () ~ 1H-NMR and SEC , and star-structure was displayed .
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本文以氧氯化锆和硝酸锰以及硝酸铈为主要原料,采用Sol-Gel(溶胶-凝胶)和共沉法,结合不同的干燥技术制备了不同配比的MnOx/ZrO2和Cu/ZrO2超细纳米催化剂。
In this paper , using mostly ZrOCl_2 · 8H_2O and Mn ( NO_3 ) _2 、 Ce ( NO_3 ) _2 , nano - MnO_x / ZrO_2 and Cu / ZrO_2 catalysts held differ proportion were prepared by the way of Sol-Gel method and co-precipitation .
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在萘与硝酸铈铵和溴酸钠的物质的量比为1:1:5,反应温度50-60℃,反应时间80min的最佳反应条件下,1-硝基萘的产率达81.5%。
The results showed that when the molar ratio of naphthalene to cerium ammonium nitrate and sodium bromate was 1:1:5 ; reaction temperature 50-60 ℃; and reaction time 80min ;
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最佳反应条件为:苯酚与硝酸铈铵的物质的量比为1∶1.05,反应温度为50℃,反应时间为1.5h,产率达72%。
The results showed that when the molar ratio of phenol to ceric ammonium nitrate was 1 ∶ 1.05 , the yield of 2,4-dinitrophenol was 72 % at a reaction temperature of 50 ℃ and a reaction time of 1.5 h.
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以季戊四醇为支化剂,利用其多羟基与硝酸铈铵组成氧化还原体系,在水溶液中引发丙烯酰胺与阳离子单体DMC进行自由基聚合,制备出了星形结构的阳离子聚丙烯酰胺(S-CPAM);
The star-shape cationic polyacrylamide ( S-CPAM ), initiated by pentaerythritol ( PETL ) / ceric ammonium nitrate , was synthesized through free radical copolymerization of AM and DMC in aqueous solution using PETL as a core molecule .
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结果表明:采用硝酸铈锆料液为原料、用氨水作沉淀剂、以反加料方式在室温下沉淀,所得沉淀经干燥和煅烧可以得到粒度均匀、悬浮性好的超细Ce-Zr-O粉末。
The results show that uniform particle size and super suspending ultrafine Ce-Zr-O powders were obtained by the following process : First zirconium nitrate and cerium nitrate were fed into ammonia water to get precipitate under the room temperature ; then drying and calcining the precipitate to get product .
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硝酸铈铵绿色化学工艺与传统工艺的对比
Green Chemistry Technology of Ammonium Ceric Nitrate Compare with Classical Technology
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高纯硝酸铈铵的合成与应用研究
Study on Application and Synthesis for High Pure Ammonium Ceric Nitrate
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硝酸铈铵氧化体系固态合成双偶氮化合物
The Synthesis of Bisazo Compounds with Ceric Ammonium Nitrate in Solid-State
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硝酸铈铵均相氧化还原体系引发烯类单体聚合
Ceric ion homogeneous redox systems for polymerization of vinyl monomers
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小鼠胃肠对硝酸铈有耐受性。
The gastrointestinal tract of mice could be tolerated to cerium nitrate .