urea相关论文
In this work,nitric oxide absorption process by using ferrate(Ⅵ)/urea was proposed.The respective influences of the fou......
目的 分析不同孕期孕妇生化八项指标变化及临床意义.方法 分析经医院伦理学委员会批准,随机选取医院2018年1月-2020年1月体检的孕......
Synthesis Mechanism and Material Characterization of C4AF Obtained by the Self-propagating Combustio
To investigate the influence of preparation process on the properties of synthesized C4AF,the powder was prepared via th......
One Step Hydrothermal Synthesis of CeO2-ZrO2 Nanocomposites and Investigation of the Morphological E
Uniform cauliflower-like nano-balls of CeO2-ZrO2 composites were synthesized by a facile hydrothermal process using only......
Blood biochemical parameters of Shami goats fed sorghum stalk treated with urea under the environmen
The objective of the experiment was to investigate the effects of sorghum stalk (Sorghum bicolor) treated with urea on t......
Perovskite solar cell has gained wide attention due to its excellent photoelectric performance and economical fabricatio......
Isophorone is an α,β-unsaturated cyclic ketone,and can be widely used in printing inks,paints,lacquers,adhesives,copol......
本文初步探索了金属催化剂在尿素与1,2-丙二醇(PG)合成碳酸丙烯酯(PC)反应中的催化效果.结果表明:Mg、Zn、Pb和Fe对PC合成反应均有......
To improve the mechanical and hydrophobic properties,biodegradable PVA/xylan composite films were prepared in the presen......
Metal organic frameworks(MOFs)are a class of crystalline porous materials constructed from metal or metal oxide building......
To improve the mechanical and hydropholic properties.biodegradable polymer composite films were prepared at a 3:1 weight......
The supported catalysts were prepared by the dipping method for synthesis of dimethyl carbonate from urea and methanol.A......
Au nanoparticles with anisotropic shape have drawn tremendous attention in the past two decades due to the unique physic......
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Soil ammonia volatilization following urea application suppresses root hair formation and reduces se
Poor seed germination and early seedling growth caused by ammonia toxicity following urea application are major constrai......
Ammonia volatilization from urea application influenced germination and early seedling growth of dry
Poor crop establishment associated with urea-induced ammonia volatilization inhibited the optimum plant growth of dry di......
Angiogenesis has been demonstrated to be a basic prerequisite for sustainable growth and proliferation of tumor[1],the l......
Nickel (Ni) is probably an essential element for life; however, its metabolic or physiological functions in plants and a......
Nitrogenous particle participation in the formation of clusters has attracted much attention from numerous researchers f......
Design of urea-modified carbon quantum dot-based fluorescent probe and application for Fe2+detection
Carbon quantum dot exhibits superior luminescent properties in terms of fascinating photoluminescence,robust chemical in......
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Thermodynamic Study of CsCl in CsCl + Urea + Water System Using Potentiometric Measurements at 298.1
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Recent studies have suggested that organic nitrogen (ON ) is a ubiquitous and significant component of atmospheric depos......
A novel method to rapidly calculate the urea clearance index and urea reduction rate based on parame
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New carbon nitride close to C6N7 with superior visible light absorption for highly efficient photoca
The rational design and construction of novel two-dimensional(2D)carbon nitrides(CNs)beyond g-C3N4 is a hot topic in the......
目的通过建立logistic回归模型,运用受试者工作特征曲线(ROC曲线)探讨尿素(Urea)、甲胎蛋白(AFP)、糖类抗原199(CA199)、总胆汁酸(......
Lanthanum-dopedα-Ni(OH)_(2)1D-2D-3D hierarchical nanostructures for robust bifunctional electro-oxid
The development of advanced electrocatalysts for electro-oxidation reactions has attracted much attention because of the......
2-咪唑烷酮是半合成青霉素美洛西林钠、阿洛西林钠的重要中间体,目前合成2-咪唑烷酮所采用的工艺不仅存在产品质量不高、收率低的......
本文对现阶段国内应用的带极堆焊方法、堆焊工艺、堆焊设备、堆焊材料进行了介绍,并指出国内带极堆焊技术将朝着宽带极、高速度、......
Ethyl Carbamate,an important chemical material with special chemical properties and structure,is widely applied to p......
Preparation and properties of microencapsulated genetically engineered bacteria cells for oral thera
Microencapsulated genetically engineered bacteria cells are a novel approach of oral therapy for uremia. Kiebsiella aero......
采用改进的Hummers方法制备氧化石墨（GO）。以尿素作为还原剂和掺氮剂，采用一步水热法合成掺氮石墨烯。通过Fourier变换红外光谱、X射......
In order to evaluate ecological risk of agrochemicals in common use, joint toxic effects of acetochlor and urea on germi......
Base effect in electrocatalytic reactions:a case study of urea and benzyl alcohol electrooxidation m
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借助碱脲体系溶解纤维素，形成胶粘物，对物料产生胶合和塑化作用，以使物料在不添加粘结剂的条件下成型，同时体系中的碱又可作为活化......
患者:女,45岁,体重75 kg,ASA二级.术前肝功能检查ALT155U/L,AST105U/L,肾功:urea:9m mol/L,Crea:380u mol/L,其余结果正常.因子宫......
在现场采用4 g/m~2 50%氯硝柳胺乙醇胺盐可湿性粉剂(WPN)、4 s/m~2 WPN+20 g/m~2 尿素和4 g/m~2 WPN+30g/m~2 尿素喷洒灭螺,比较三......
1例93岁女性患者因反复呕吐、进食困难入院,肾功能检查示血清肌酐90μmol/L,尿素10 mmol/L。给予复方氨基酸注射液500 ml和丙氨酰......
1例73岁女性患者因慢性支气管炎、肺间质纤维化、支气管扩张合并感染给予左氧氟沙星0.4 g，1次/d静脉滴注。治疗1周，效果不佳。根据痰......
目的 建立一种基于同位素稀释/气相色谱/质谱技术(isotope dilution/gas chromatography/mass spectrometry,ID/GC/MS)的血清尿素......
目的 探讨婴幼儿颌面部重症血管瘤伴血小板减少的治疗方法 .方法 收集分析2001至2006年我科收治的 35 例颌面部重症血管瘤伴血小板......
An insufficient amount of NH3(ammonia)will reduce the conversion efficiency of NOx,which may lead to excess NOxemissions......
A prilled urea applicator was designed and developed to increase fertilizer use efficiency. The developed applicator’s ......
目的 构建表达幽门螺杆菌 (Hp)尿素酶A亚单位 (UreA)和过氧化氢酶 (KatA)的减毒鼠伤寒沙门氏菌疫苗株 ,对研制抗Hp感染重组疫苗的......
在安徽省太和县(TH)和东至县(DZ)研究了氮肥一次穴施深度对夏玉米产量、养分积累量以及氮肥利用率的影响,以探讨夏玉米一次施肥的......
利用TGA研究了TEPA/Q-10固态胺CO2吸收剂在不同温度、不同气氛下的再生特性.结果表明,吸收剂在N2气氛下很容易再生,110℃下8 min即......
目的探讨尿素注射联合手术切除治疗舌部静脉畸形的效果。方法回顾性分析35例舌部静脉畸形的病例资料,行MRI检查显示单侧病变且边界......
