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硝酸铵     
相关语句
  ammonium nitrate
     Research on Influence of Gemini Surfactant C_(12)-3(OH)-C_(12)·2Cl on Crystal Properties of Expanded Ammonium Nitrate
     Gemini表面活性剂C_(12)-3(OH)-C_(12)·2Cl对膨化硝酸铵晶体性能影响的研究
短句来源
     The results showed that sucrose (60 g/L) as carbon source, ammonium nitrate (1.5 g/L) as nitrogen source, pH at 5~6, and 30 ℃, were the most favorable for the fungal growth.
     实验结果表明,以蔗糖为碳源(60g/L),硝酸铵为氮源(1.5g/L),pH5~6,培养温度为30℃时最适合该菌的生长。
短句来源
     The optimum conditions for laccase production by Neurospora crassa were as follows:20 g/L glucose as carbon sources,2 g/L ammonium nitrate as nitrogen source and2.8 μmol/L cycloheximide added after static cultivation for 2~3 days,the highest activity of laccase reached 4~5 u/mL through 6~7 days'induction.
     获得了粗糙脉孢菌合成漆酶的较适宜条件:以20g/L葡萄糖为碳源,2g/L硝酸铵为氮源,粗糙脉孢菌静止培养2~3d后,再加入放线菌酮(终浓度2.8μmol/L)诱导培养6~7d后产生的漆酶的最高酶活可达4~5u/mL。
短句来源
     Also by the slow combustibility of compound fertilizer based on ammonium nitrate, muriate of potash and monoammonium phosphate, the 3 portions of 2∶2∶1, 1∶3∶2 and 2∶1∶1 [m(N)∶m(P_2O
     并根据硝酸铵、氯化钾、磷酸一铵为基础的氮、磷、钾复肥的缓慢燃烧特性,提出m(N)∶m(P2O5)∶m(K2O)=2∶2∶1,1∶3∶2,2∶1∶1均属安全配料范围。
短句来源
     The condition of best growth of strain DDV-1 was studied by the L18(35) orthogonal design experiment : Glucose 1 g L~(-1),Ammonium nitrate 0.5 g L~(-1),Sodiam chloride 1 g L~(-1),liquid content 30 ml 150ml~(-1),pH value 7.0,30℃,180 r min~(-1),incubate on shaker.
     利用5因素3水准L18(35)的正交实验确定其最适生长条件为:葡萄糖1 g L-1,硝酸铵0.5 g L-1,NaCL 1 g L-1,装液量30 m l150m l-1,pH 7.0,30℃,180 rm in-1,摇床培养;
短句来源
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  ammonia nitrate
     The study on the K\ NH4+ II NO3~-H2O showed that the graph contains the five crystal sections , which included the potassium nitrate, the ammonium nitrate, the potassium nitrate and solid solution, the ammonia nitrate and solid solution ,and the solid solution crystal sections.
     对K~+、NH_4~+‖NO_3~--H_2O三元体系相平衡的研究表明,该体系存在五个结晶区:硝酸钾和硝酸铵结晶区、硝酸钾与硝酸钾铵结晶的共晶区、硝酸铵与硝酸钾铵结晶的共晶区,以及硝酸钾铵固溶体结晶区。
短句来源
     The best media obtained from the orthogonal test in this culture conditions are as follows:corn starch 2%,sucrose 1.5%,peptone 1%,ammonia nitrate 0.2% and a small amounts of mineral salts.
     通过正交试验获得适于产植酸酶的液体培养基的配方为:玉米淀粉2%,蔗糖1.5%,蛋白胨1%,硝酸铵0.2%以及少许无机盐。
短句来源
     The optimum temperature and pH for mycelial growth was 25~28℃ and pH 7~9, respectively. The fungus grows better in Arabic gum powder as carbon source and in ammonia nitrate as nitrogen source.
     该菌生长最适温度为 2 5~ 2 8℃ ,pH值为 7~ 9,它能有效地利用各种碳源 ,但以阿拉伯树胶粉最好 ,氮源以硝酸铵最适。
短句来源
     Advanced Process of Porous Ammonia Nitrate and Revamp of Present Domestic Ammonia Nitrate Plant
     国外新的多孔硝酸铵生产工艺与国内硝酸铵装置的改造
短句来源
     In the production of potassium nitrate by using the method of decomposing ammonia nitrate and potassium chloride in cycle, based on the characteristics of the solution, spiral plate heat exchanger was applied to the process of cooling and crystallizing potassium nitrate solution. This exchanger has the advantages of resisting foul, high film coefficient, low energy consumption, high production ability, small volume and convenience in operation.
     在硝酸铵与氯化钾复分解循环法生产硝酸钾工艺中,根据溶液物料特性,设计并采用螺旋板换热器应用于硝酸钾溶液的冷却结晶工艺,生产硝酸钾,具有不结垢,传热系数高,能耗低,生产能力大,体积小,操作方便等优点。
短句来源
更多       
  nitrate ammonium
     When the concentration of ammonium sulphate,ammonium nitrate,ammonium bicar bonate,calcium superphosphate,potassium chloride,potassium sulphate,potassium dihydrogen phosphate ammo-phos-ka was 10%,10%,1%,10%,15%,15% 5%,5% respectively,the rate of absorbing water of the resin droped to zero.
     硫酸铵、硝酸铵、碳酸氢铵,过磷酸钙,氯化钾、磷酸二氢钾,硫酸钾、铵磷钾肥使高吸水树脂吸水率为0的浓度分别为10%、10%、10%、1%,15%、5%,15%,5%。
短句来源
     The main results were as follows:(i) Application of organic-inorganic compound fertilizer I produced the highest yield among all the treatments. The yield increased by 14.4%,6.3%,10.6%,4.6% and 33.6% respectively,compared with the treatments of nitrate ammonium,sulfate ammonium,urea,organic-inorganic compound fertilizer Ⅱ and control.
     结果表明:施用有机无机复混肥Ⅰ的小白菜产量最高,分别比施用等氮量的硝酸铵、硫酸铵、尿素、有机无机复混肥Ⅱ及无肥对照增产14 4%、6 3%、10 6%、4 6%及33 6%。
短句来源
     Designation and Practice of Gas Flow Drying Apparatus of Nitrate Ammonium
     硝酸铵气流干燥设施的设计与实践
短句来源
     When the concentration of ammonium sulphate, ammonium nitrate, ammonium bicarbonate, calcium superphosphate, potassium chloride, potassium. sulphate, potassium dihydrogen phosphate, ammo-phos-ka was 9.8%, 9.6%, 9.1%, 0.9%, 14.7%, 14.4%, 4.5%, 4.7% respectively, the water absorbing rate of the resin droped to zero.
     硫酸铵、硝酸铵、碳酸氢铵、过磷酸钙、氯化钾、磷酸二氢钾、硫酸钾、铵磷钾肥使高吸水树脂吸水率为0的浓度分别为9.8%、9.6%、9.1%、0.9%、14.7%、4.5%、14.4%、4.7%。
短句来源
     With the experiment of the degradation of DBT under the conditions of different factors,it is identified that the feasible carbon source of the growth and desulfurization of DS-3 is glucose,the feasible nitrogen source is nitrate ammonium,the compatible pH is 8.2,andthe condign growth temperature is 30℃.
     在此条件下 ,适宜菌株生长和脱硫的碳源为葡萄糖 ,氮源为硝酸铵 ,初始pH为 8 2 ,生长温度为 3 0℃ ,1 5mmol/L的硫酸根离子能使其丧失脱硫能力。
短句来源
更多       
  ammonium nitrite
     The chromatography conditions were as follows: column, Shim pack CLC ODS; mobile phase, acetonitrile water (65∶35, containing 0.007 mol/L ammonium nitrite and 0.007 mol/L SDS, adjusted to pH 3.4 with acetic acid glacial); velocity of flow, 1 ml/min;
     色谱柱为 Shim pack CL C- ODS柱 ,流动相为乙腈 -水( 65∶ 3 5 ,含 0 .0 0 7m ol/ L 硝酸铵、0 .0 0 7m ol/ L SDS,用冰醋酸调 p H至 3 .4 ) ,流速 1.0 m l/ m in,在 2 70 nm处测定。
短句来源
     Determination of Ammonium Nitrate using Urea as Anti-interference Agent instead of Methanol in the Presence of Ammonium Nitrite
     亚硝酸铵共存下用尿素代替甲醇作抗干扰剂测定硝酸铵
短句来源
     A method,which is used to determine ammonium nitrate in ammonium nitrite using urea instead of methanol solution,is putforward.
     提出尿素替代甲醇溶液分析亚硝酸铵硝酸铵含量的测定方法。
短句来源

 

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      ammonium nitrate
    The formation and thermal conversion of paramagnetic centers in γ-irradiated single crystals of potassium nitrate with an ammonium nitrate impurity was studied by EPR spectroscopy.
          
    It was found that the presence of ammonium nitrate decreased the radiation-chemical yield of nitrite ions, which are one of the final radiolysis products of nitrate-containing compounds.
          
    Physicochemical properties of manganese-containing oxides with a spinel structure prepared with the use of ammonium nitrate and
          
    Investigations showed that bacteria present in soil are resistant to one-day exposure to a saturated solution of ammonium nitrate and can well develop when transferred to laboratory nutrient media.
          
    Accelerater of Steel Oxidation in Ammonium Nitrate Solutions
          
    更多          
      nitrate ammonium
    The ratio of nitrate/ammonium in the soil decreases from a high level in the early stages of old field succession to a low level in the climax in the tall grass prairie region of central Oklahoma.
          
    Soil nitrate and the nitrate/ammonium ratio correlated positively with average N oxide fluxes.
          
    The optimum nitrogen concentrations for embryogenesis were between 3.75 and 15 mM nitrogen with a nitrate/ammonium molar ratio of 2:1 or 1:2.
          
    Greater changes in solution pH occurred when plants were grown with 39:1 compared to 9:1 and 3:1 nitrate/ammonium ratios.
          
    The genotypes maintained their relative differences in Al toxicity tolerance when plants were grown separately or together in the same container with Al and with different nitrate/ammonium ratios.
          
    更多          
      ammonium nitrite
    The simulated results from the modified inhibition model expressed by FA and ammonium/nitrite concentrations were shown very similar to the experimental results.
          
    Secondary aerosols or particulates, such as ammonium nitrate or ammonium nitrite, might have been important constituents of the PM2.5 at the residential site.
          
    From these products, it is concluded that the reaction of NO2 with NH4Cl is a reverse disproportionation reaction where two moles of NO2 result in ammonium nitrite, NH4NO2, as an intermediate, and nitryl chloride, NO2Cl.
          
    Exposing Fe/MFI first to NH3 then to flowing NO + O2 or using the reversed sequence, invariably leads to the formation of ammonium nitrite, NH4NO2.
          
    In the first set, part of the NOx is reduced to NH3; in the second set ammonium nitrite, NH4NO2 is formed from this NH3 and NO + NO2.
          
    更多          


    ~~

    对使用361炉后的鞍铜平炉炉顶镁铝砖进行了分带化学分析、硝酸铵溶液处理、X射线物相分析、岩相鉴定及气孔率、体积密度、真比重、第Ⅰ带的耐火度、低熔物出现温度和热膨胀等物理性质测定。 根据研究结果,对镁铝砖在使用过程中段带的形成、损毁过程和氧化铝的作用等问题提出了商榷意见。指出镁铝砖与镁铬砖具有不同的损毁过程。

    The Price's procedure for the preparation of 7-chloro-4-hydroxy-3-quinolinecar-boxylic acid (V), a key intermediate for chloroquine production, has been modified. Ammonium nitrate has been found as an effective promoter in the reaction of (Ⅰ) to (Ⅱ). Under suitable conditions, the modified method gave 75-80% overall yield of (Ⅴ), against m-chloro aniline. Thus, it makes possible a more economical production of chloroquine and other 4-aminoquinoline antimalarials.

    抗疟药氯喹生产的重要中间体——4-羟基-7-氯喹啉酸(Ⅴ),原用的甲脒法,缩合收率很低。经改进,加原甲酸乙酯参与反应,并找到硝酸铵为有效催化剂,控制适当的反应条件,从间氯苯胺至Ⅴ的四步反应,总收卒为75—80%。即单批的收率较原法提高了5倍以上。经推广到生产上,解决了主要技术关键,与现有各生产路线相较,有其独特的先进性。

    The graft copolymerization of acrylonitrile onto cotton yarn and viscose rayon with eerie ammonium nitrate as initiator has been studied. It was shown that the grafting occured readily and the homopolymerization could be inhibited under proper experimental conditions. The grafting is believed to take place principally through the active centers which are formed on the cellulose substract by the action of eerie ion. It was also shown that the grafting was controlled by the diffusion of the solution to cellulose....

    The graft copolymerization of acrylonitrile onto cotton yarn and viscose rayon with eerie ammonium nitrate as initiator has been studied. It was shown that the grafting occured readily and the homopolymerization could be inhibited under proper experimental conditions. The grafting is believed to take place principally through the active centers which are formed on the cellulose substract by the action of eerie ion. It was also shown that the grafting was controlled by the diffusion of the solution to cellulose. The grafting proceeded very rapidly at the begining and then leveled off to a limiting value, depending on the fine structure of the cellulosic material, as a result of the retardation of diffusion by the formation of polyacrylonitrile on the surface of the cellulose. A preliminary estimation was made on the properties of the grafted products.

    以棉纱和粘胶丝为试料,研究了利用硝酸铵铈为引发剂的纤维素与丙烯腈的接枝共聚。研究各种影响反应的主要参数的结果说明所研究的接聚反应比较容易进行,同时可以选择适当条件使过程中的均聚反应受到抑制。可以认为,接聚反应的发生主要是通过铈离子与纤维素作用在纤维素上生成活性中心。所研究的接聚反应受着反应溶液向纤维素渗透的影响。反应开始进行甚快,但随着接聚或均聚的聚丙烯腈在纤维素表面上生成,使渗透受到阻碍,不同纤维素材料因其精细结构的不同,其接聚反应亦分别达到不同限度。此外,尚曾对所得产品的性能作了初步鉴定。

     
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