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STUDIES ON ALKALI METAL PROMOTED IRON CATALYST FOR AMMONIA SYNTHESIS Ⅷ——STRUCTURE OF THE CATALYST BY
<正> Under moderate conditions, the catalytic activity of the alkali metal promoted iron catalyst for ammonia synthesis,......
A combination of leaf rust resistance gene Lr34 and lesion mimic gene lm significantly enhances adul
Leaf rust caused by Puccinia triticina is an economically-important disease in wheat worldwide.A combination of differen......
Hot Flow Anomalies (HFAs) are phenomena that frequently appear in the vicinity of the Earth’s bow shock. We have identi......
HYDROTHERMAL fluids, circulated under earth surface, yielded infilling, replacement and thermal dynamic process when as......
A series of novel isoxazole-contained analogues of Losartan were designed and synthesized with 1,3-DC reaction. The regi......
Ferric chloride catalyzes the isomerization and cyclization of geraniol, linalool and nerol in acetonitrile giving a-ter......
In order to achieve a high-quality quartz glass substrate and to improve the performance of TiO2 antireflection coating,......
Combined hepatic resection with fenestration for highly symptomatic polycystic liver disease:A repor
AIM:To evaluate the immediate and long-term results in aseries of patients with highly symptomatic polycystic liverdise......
20080407 Gao Lianda(Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037,China);Wang Zongqi Discov......
Numerical Si mulation of Inner Stress Fields for Stretching Block With Rectangular Section Between F
The stretch of blocks with rectangular section using flat anvils was simulated by using ANSYS software. The inner stress......
The mechanism for the conformational conversion of 1,3-dioxane guest encapsulated inside a capsular host was theoretical......
Catalytic effect and hydrogen reaction mechanism of Ti doped in NaAlH4 were elaborated in this paper, and current viewpo......
A novel biscalixarene with two kinds of calix[4]arene derivative units connected by four bridging chains,was facilely sy......
In these years,with more and more volcanic oil and gas fields being discovered and developed,the volcanic rocks reveal a......
The flow stress behavior of Al-0.3Er have been studied by hot compression tests on a Gleeble-1500D thermal simulator in ......
Genesis of Dolomite from Ma5~5-Ma5~(10) Sub-members of the Ordovician Majiagou Formation in the Jing
We clarified three stages of dolomitization and secondary changes by studying the petrology and geochemistry characteris......
NUMERICAL SIMULATION STUDY ON THE RAPID INTENSIFICATION OF TYPHOON HAIKUI(1211) OFF THE SHORE OF CHI
Forecasting the rapid intensification of tropical cyclones over offshore areas remains difficult. In this article,the We......
Efficacy and safety analysis of different dose idarubicin plus cytarabine regimen as induction chemo
Objective To compare the efficacy,safety and longterm prognosis between different dose idarubicin(IDA)combined with cyta......
Automatic profiling control using a boom-type roadheader requires an understanding of horizontal and vertical swing angl......
通过对已发现油气与局部构造、有利沉积相带、断裂分布等关系的分析,结合储层物性、盖层厚度、封闭能力、成藏要素及录井资料统计,......
回顾了“十五”期间我国在钼资源、钼外贸、钼顺差、钼铁出口、国内钼消费、钼生产工艺和装备等方面所取得的成绩，针对如何使我国钼......
通过对蒙古东戈壁盆地构造—沉积演化、成藏特征等进行分析,总结出白垩系成藏组合地质特征,进而评价其勘探潜力。根据成藏组合的划......
涠西南凹陷流一段主要为扇三角洲和浊积扇沉积,层序格架和沉积演化一直存在较大争议。本文结合区域沉积背景、单井分析及地震相分......
通过对已发现油气与局部构造、有利沉积相带、断裂分布等关系的分析，结合储层物性、盖层厚度、封闭能力、成藏要素及录井资料统计，开......
本文通过对国外海域天然气水合物钻探的调研，选取布莱克海台、水合物脊、墨西哥湾、日本南海海槽、韩国郁龙盆地、印度大陆边缘等区......
为广泛利用水稻种质资源隐蔽抗旱有利基因来全面改善品种抗旱性，以粳型恢复系C418为轮回亲本，以3个籼型品种（Manawthukha，粤香占，特青）为......
