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Genetic Analysis of Cold Tolerance at Seedling Stage and Heat Tolerance at Anthesis in Rice (Oryza s
A set of 240 introgression lines derived from the advanced backcross population of a cross between a japonica cultivar,X......
SYNTHESIS AND CHARACTERIZATION OF AN ACRYLATE POLYMER CONTAINING CHLORINE-1,3-DIOXALANE GROUPS IN SI
Poly[2-(4-chlorophenyl)-1,3-dioxolan-4-yl]methyl acrylate,poly(CPhDMA),was synthesized with radical polymerization proce......
Dealt with in this paper are some geochemical characteristics of porphyry copper minerali-zation,especiallythose observ......
New reactions of Lawesson reagent (LR) with a-hydroxy (amino)nitriles have been studied. The experimental results showe......
The low melting point metallic tin powder or alloy of tin and lead was blended with polypropylene. A kind of in situ com......
A flow apparatus was set up for measuring the solubility of a solid solute in a supercritical fluid withthe presence of......
Microcalorimetric Studies on Influence of Sm~(3+), Dy~(3+) on Growth and Sporulation of Bacillus thu
By using an LKB-2277 Bioactivity Monitor and cycle-flow method, the thermogenic curves of aerobic growth for Bacillus th......
EFFECT OF WEAK INTERACTIONS ON PHENOL ADSORPTION FROM AQUEOUS SOLUTIONS BY AMINATED POLYMERIC ADSORB
Adsorption behaviors of phenol from aqueous solutions have been investigated in batch systems at 303 K and 318 K respect......
One of the most common problems arising from the application of exergy analysis is the allocation of cumulative exergy c......
Photocatalytic oxidative desulfurization of gasoline in[BMIm]Cu_2Cl_3 ionic liquid was studied.A500-W high-pressure mer......
A novel grain refiner composed of nickel,tungsten and yttria was prepared by the powder metallurgy way. The microstructu......
The South China Sea is the westernmost marginal sea in the west Pacific Ocean. On thebasis of the analyses of sedimenta......
It is a debated topic if there are any observable precursor anomalies prior to the earthquake( EQ hereafter) and if the ......
OPENING up Human Clothing and Ornament Culturology, a recently. published academic work, is like entering a comprehensi......
To solve the technical problems of hot metal desulfurization by injecting magnesium particulate, a new method of hot met......
Floret-specific differences in gene expression and support for the hypothesis that tapetal degenerat
The maize (Zea mays) spikelet consists of two florets, each of which contains three developmentally synchronized anthers......
As part of Messe Frankfurt’s renowned Intertextile brand,Intertextile Pavilion at the Shenzhen International Trade Fair......
Using Goethite as a Heterogeneous Fenton Catalyst for The Removal of Tetracycline Hydrochloride: Eff
The removal of the antibiotic compound tetracycline hydrochloride (TC) was investigated by using goethite/H2O2 as a hete......
Research on Seismicity and Source Parameters of Small Earthquakes in the Zipingpu Reservoir before t
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Research on Seismicity and Source Parameters of Small Earthquakes in the Zipingpu Reservoir before t
Based on the digital seismic waveform data observed from regional and reservoir seismic networks,the seismicity and sour......
首先对国内化学教材在描述氧化数概念时存在的不同说法进行讨论,在此基础上建议用指定电荷数一词代替形式电荷数(或形式荷电数)和......
依据液体混合池模型推导出具有汽相夹带、板间汽相完全混合时的ＥMV，Ｅ＾２MV／ＥMV及Ｅ＾２MV等板效率计算。在几种特殊情况下，可简化为文献报道的Ｌｏｃｋｅｔｔ，Ｄｒｏｇａｒｉｓ等人......
本文论述了激发极化法在塞钦铜多金属矿勘查找矿中的应用。通过选择合适的物探方法，以及异常下限的确定。圈定出了3个异常，并对异常......
研究了频率域航空电磁数据的自动调平问题。提出了一种基于一维、二维滤波处理的二维自动调平算法。零漂具有随机性且一般变化缓慢......
It is a debated topic if there are any observable precursor anomalies prior to the earthquake(EQ hereafter)and if the st......
目的探讨最小表观扩散系数(minimum ADC,ADCmin)值鉴别诊断颅内胶质母细胞瘤与巨细胞型胶质母细胞瘤的价值。材料与方法回顾性分析......
A previous study demonstrated that alexidine has greater affinity for the major virulence factors of bacteria than chlor......
[目的]通过热分析手段来研究烟草的热解动力学行为。[方法]利用C80微量量热仪研究了等容条件下典型烤烟烟叶热分解性能的影响,并对......
针对弹性薄壁壳体在高速气流作用下的耦合振动特性进行了研究。采用迭代耦合法对风洞实验中薄壁模型的耦合振动响应进行了数值计算......
[目的]筛选肉鸭稻谷专用酶制剂配方,研究该配方的应用效果。[方法]以粗纤维为考察指标,选用纤维素酶、木聚糖酶、葡聚糖酶、植酸酶......
[目的]研究微生态制剂对斑点叉尾鮰血液学指标及饲料养分表观消化率的影响。[方法]挑选健康斑点叉尾鮰,分为5组,Ⅰ组为对照,其余为......
本文首先通过Snoke发展的利用P波、 SV波和SH波的初动和振幅比方法计算秦岭—大别东段2008年以来83次M_L≥2.5地震的震源机制解,然......
在分析煤层微观孔隙结构，以及煤层气以游离气形式存在煤的大孔隙和吸附状态分布在微孔隙中的基础上，提出了反映煤层气在煤层微孔中吸......
为了将瞬变电磁水平分量转化成电阻率参数,实现瞬变电磁水平分量视电阻率定义,对不同偏移距下大定源回线瞬变电磁场水平分量响应进......
为实现对褶皱构造区冲击矿压震源机制的有效分析,基于震源机制矩张量反演方法,在优化震动波远场位移及破裂面产状求解方法的基础上......
目的探讨磁共振弥散加权成像（DWI）和表观扩散系数（ADC）图在脑弥漫性轴索损伤诊断中的应用价值。方法对15例临床诊断弥漫性轴索损伤的患......
在不同氮肥用量下研究了夏玉米生育期间土壤硝态氮的时空变化特征，同时对不同生育阶段土壤氮素的盈余与亏缺进行了表观估算，结果表明......
针对毛革一体服装革独特的组织结构特征,以及作为服装、服饰革的特殊肌理效果,论述了毛革一体服装革材料的服装、服饰市场开拓方向......
汶川大地震，山体开裂，出现多处大型滑坡，产生了大量不稳定斜坡。这类不稳定结构随时可能引发新的灾难。本文以实验室模型数据和某地震......
于１９９９年６～７月收集中华绒螯蟹（Ｅｒｉｏｃｈｅｉｒ ｓｉｎｅｎｓｉｓ）粪便，用酸不溶灰分法测定中华绒螯蟹对饲料的消化率，同时测定其胃、肠、肝胰脏蛋白酶活力。结果表明，蛋白质能......
试验采用4×4拉丁方设计，设两组，以8头始重为35～40kg的杜长二元杂种阉猪为试材，运用平衡试验法，研究植酸酶对小麦、稻谷和高粱三种......
在无机微粒表面接枝有机高聚物,制备出新一代复合材料,近年来逐渐引起人们的兴趣.文章主要研究了滑石粉/PMMA接枝物的合成和表观动......
简述了管件专用聚氯乙烯树脂在上海天原化工有限公司的30 m3聚合釜的生产情况,对生产中的配方和工艺进行了调整和优化,生产出聚合......
在相对论喷束模型中，假设源的核在观测者静止坐标系中不动的前提下，推出了现有已得到广泛承认和采用的计算相对论等离子团横向视速度......
两相流在油气田生产运输中极为常见,管道中流体的流动状态直接影响着管路整体的运行状况与安全,因此对两相管流系统流动状态进行研......
与ＣＳＵ配套使用的电级测量模块ＤＪＭ，不仅能进行普通电阻率测井，还可以进行自然电位测井。它与ＣＳＵ的仪器接口ＴＩＵ直接连接，通过研制开发的电极系测井软......
<正> 《大学英语》精读第三册第一单元中有这样一句话:I had the‘right’ac-cent respectable middle class parents in court,re......
本文运用流变学的理论和方法对海藻酸钠的流变特性进行了研究,并用 IBM 计算机处理数据,发现海藻酸钠是假塑性流体。同时,讨论了温......
为获得花[鱼骨]对常用蛋白源的可消化性数据，按照“70％基础饲料＋30％被测原料”的饲料配制方法，用三氧化二铬指标物，测定了花[鱼骨]鱼种对......
宇宙几何学是广义相对论导出宇宙均匀引力几何,红移Z > 0.0041的1个天体亮度(通量密度或视星等)是距离的变量;其对应光度或绝对星......
