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The Java Island, Indonesia with abundant amount of pyroclastic deposits is located in the very active and dynamic Pacifi......
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Properties and Mechanism on Flexural Fatigue of Polypropylene Fiber Reinforced Concrete Containing S
Properties and mechanism were investigated on flexural fatigue of concrete containing polypropylene fibers and ground gr......
Information on phosphorus(P) adsorption and its impacts on the redistribution of the P fraction in soil profiles are imp......
This paper examines the influence of gravity on the bulk responses of a granular solid. The loading scenarios in this st......
Objective To investigate the incidence of chromosome abnormalities in couples with reproductive failure in China and exp......
One hundred and three color vision defective subjects were screened from 3456 middle school students with pseudoisochro......
Soil Organic Matter Fractions under Different Vegetation Types in Permafrost Regions along the Qingh
As a key attribute of soil quality, soil organic matter(SOM) and its different fractions play an important role in regul......
Background and Objective:Detection of label-retaining cells(LRCs) has been a method to confirm existence of stem cells,a......
COMPONENT ANALYSIS OF SLOW-RUSTING RESISTANCE OF WHEAT CULTIVARS TO STRIPE RUST (Puccinia striiformi
Under field conditions in 1984 and 1985, resistance components (infection frequency, sporulationcapacity, latent period......
Hydro-geochemical simulation of the mixing balance of exploitation and reinjection of geothermal flu
This paper targets its research at the exploitation–reinjection well of geothermal fluid of one geothermal heating proj......
An in-plane load measuring technique is developed to perform the strength test of the micro-cantilever. Based on electro......
15N-labelled phenolic polymers were synthesized by reactions of p-benzoquinone and 1, 4--diphenol with 15N-labelled gly......
New type of adaptive control for a class of distributed time-delay systems with adaptation regard to
The problem on stabilization for the system with distributed delays is researched. The distributed time-delay under cons......
Absorption and Distribution Laws of Potassium in RADIX HEDYSARI and Its Response to Fertilizer Appli
[Objective] The aim was to study on the absorption and distribution laws of potassium in RADIX HEDYSARI and its response......
In this study, two optimal terminal guidance(OTG) laws, one of which takes into account the final velocity vector constr......
为对自制的活性面积高达1 000 cm2的大面积源进行表面发射率定值,同时作为现有2πα、2 πβ表面发射率标准装置能力的扩充,研制了......
Abstract [Ob.jective] This study aimed to examine the effect of different proportions of Wolffia on the growth of Procam......
针对传统PI控制无法实现无静差跟踪的缺点,提出了一种重复控制与PI控制相结合的单相光伏离网逆变器复合控制方案。基于内模原理的......
文章分析了智能挖掘技术的研究现状，给出了试验挖掘机器人运动学模型及负载工况下动态特性方程；为实现典型挖掘工况下工作装置位姿及......
对趸缴保费和分期缴纳保费两种情况,在投资基金服从对数正态分布的假定下,研究投资连结产品在经营期内每年的最优比例再保险和超额......
边缘检测主要是对图像的灰度变化进行度量、检测和定位。基于边缘检测的灰色系统理论中的邓氏关联度分析方法对处理非典型规律的图......
给出了由液压泵、比例溢流阀、蓄能器、压力传感器以及节流口组成的双工位燃油总管试验器工件入口处闭环压力控制系统的原理图,建......
研究了以硝酸镍和柠檬酸为原料溶胶-凝胶自燃烧法制备氧化镍纳米颗粒的最佳工艺条件及配比.用热重分析(TG-DSC)、扫描电镜(SEM)和X......
温度稳定性是影响半导体激光器（又称激光二极管LD）性能的重要因素。介绍了一种基于单片热电制冷控制芯片ADN8830的温控电路，该电路采......
综述了气调保鲜包装机中气体比例混合器的原理、类型及气体混合配送技术，研究了应用气体比例混合器的新技术实现不同比例气体的调节......
由于涡轮机对于变工况的敏感程度远远超过活塞机,随着工况的不同,特别是工况变动范围较大时,发动机表现出非线性特征,为发动机功率......
设计了一种新型大型立式珩磨机液压控制系统，可以完成珩磨头线速度闭环控制、油石压紧力闭环控制。给出了设备的液压控制原理图及冷......
目的探讨红细胞分布宽度变异系数(RDW-CV)和血小板与中性粒细胞百分比比值(PLT/NEUT%)与系统性红斑狼疮(SLE)相关免疫学指标及病情......
Forty para-disubstituted benzylidene-aniline derivatives weresynthesized,and their second harmonic generation(SHG)effici......
Abstract [Ob.jective] This study aimed to examine the effect of different proportions of Wolffia on the growth of Procam......
扭矩精确控制对汽车运行过程中稳定性具有重要影响。针对汽车扭矩控制的精确度不高的问题，提出了基于内膜控制（IMC）和比例积分控制（PID......
通过室内试验制备反滤混凝土试块,以碎石、水泥、河砂、SR-3、水为试验因素,选用4因素5水平的均匀设计,探究影响反滤混凝土抗压强......
论述了世界上工业发达国家和我国大直径无缝钢管生产的概况，钢管总生产能力，大直径无缝钢管生产能力及大直径无缝钢管生产能力占总生......
在LCL型光伏并网逆变器中，电流控制器的比例控制系数设计不合理易造成系统不稳定，甚至损坏逆变器。对采用逆变侧电感电流反馈的LCL型......
系统研究了鲁宁管道所输胜利油、进口油按不同比例、不同温度混合时的粘度,提出了根据混合油粘度求混合油比例的一种新方法.该方法......
平面图形中有定比分点公式,在空间图形中也存在同样的定比分点公式....
介绍了泵送混凝土裂缝的分类,对泵送混凝土温度裂缝产生的原因和特征进行了分析,从混凝土原材料和配合比选用等方面,提出了相应的......
研究了考虑膛内面积变化的再生式液体发射药火炮拉格朗日问题解,获得了不同位置压力更为准确的换算关系式,使再生式液体发射药火炮......
通过对溴化钾与纳米固体超强酸样品的比例进行了探讨,得出制样时溴化钾与样品比例范围为1∶0.001-1∶0.029,其最佳比例范围为1∶0.......
