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Cloning of myosin heavy chain gene from Exopalaemon carinicauda and its expression profiles at diffe
In crustaceans,periodic shedding of the exoskeleton is one of the most important physiological process which is essentia......
通过研究国内外学者对对虾蜕皮行为的各种研究现状,描述了对虾蜕皮这一行为发生的过程；分析了碳水化合物、蛋白质以及Ca、Mg等无机......
In the past year, Liaoning won initial success in the rejuvenation of the old industrial base in Northeast China, said V......
Graphite antimony composites were prepared using a mechanical pressure infiltration method to force molten antimony into......
In this paper,the best final EMS frequency for bloom continuous casting is proposed.For 280×380 bloom,the best frequenc......
用３１Ｐ核磁共振（ＮＭＲ）观察了人淋巴瘤白血病细胞系Ｍｏｌｔ—４的３１Ｐ谱．ＮＭＲ测试温度为３７℃、２０℃和４℃时．随着测试时间增长，细胞３１Ｐ谱中ＡＴＰ峰降低，无机磷峰升高．细胞３１Ｐ谱的变化随......
通过测量人淋巴瘤白血病细胞ＭＯｌｔ—４的３１Ｐ谱中ＡＴＰ的α磷和β磷的化学位移差值，得出细胞内Ｍｇ２＋与ＡＴＰ结合的复合物ＭｇＡＴＰ和整个ＡＴＰ量的比值，计算得到Ｍｏｌｔ—４细胞内游离Ｍｇ２＋浓......
Area Method Analysis and Thermodynamic Behavior of Nonmetallic Micro-Inclusions in Casting Slab of G
The distribution and characteristics of nonmetallic micro-inclusions of GCr15 bearing steel were explored through metall......
A Cr-modified aluminide coating is prepared on a Ni-based superalloy using arc ion plating and subsequent pack cementati......
Carbonic composite materials and ceramics appear to be excellent structural materials for parts sub-jected to very high ......
,Cloning, expression and localization of a trypsin-like serine protease in the spruce budworm, Chori
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Molt and reproduction enhancement together with hemolymph ecdysteroid elevation under eyestalk ablat
We present the results of eyestalk extirpation experiments performed on the fiddler crab, Uca triangularis at seasons of......
目的:探讨痰热清注射液对人白血病细胞体外增殖的影响及其作用机制.方法:将痰热清注射液以体积比稀释成1∶2、1∶4、1∶8、1∶16、......
采用实验生态学方法研究了在盐度为20的条件下,4个盐度波动幅度(2、4、6、8)对中国对虾稚虾蜕皮和生长的影响.结果表明:中国对虾的......
研究钙熔盐电解过程中石墨阳极的破损机理及延长阳极使用寿命的方法.结果表明石墨阳极的破损主要原因是凝结在石墨孔隙中的挥发电......
在微乳液中SnCl和CdCl的混合水溶液与KBH4水溶液的还原反应制备了Cd^2＋掺杂SnO2纳米棒前驱物．在NaCl＋KCl熔盐介质中，660℃焙烧前驱成功......
针对五十铃汽车制动泵体的结构、性能要求等特点，利用一套模具进行两种液锻方式研究，从中探讨出最佳的模具结构和工艺参数；并对侧油缸......
Avoiding sealing failure of flanged connection for tubes made of dissimilar materials subjected to e
Carbonic composite materials and ceramics appear to be excellent structural materials for parts subjected to very high t......
在室内水泥池条件下,对平均体质量为65.3 g±1.52 g的锯缘青蟹（Scylla Serrata）进行了30 d的养殖实验,分别测定其在两种不同盐度......
蜕皮激素对节肢动物生长、发育和繁殖有重要调控作用,细胞色素P450(CYP)302al是蜕皮激素合成通路中的关键酶。克隆获得了拟穴青蟹(......
采用促性腺激素释放激素类似物诱导母鸡快速换羽已作为一种模式研究母鸡羽的内分泌机制，并与自然换羽进行比较，研究结果表明：（１）试验组血......
为了减少CO2焊飞溅,采用了外加磁场发生装置研究了磁控CO2气体保护焊技术,探讨了外加纵向低频磁场对熔滴过渡频率的作用机理,通过......
首次在上海河口地区成功进行了凡纳对虾的亲虾培育和育苗,并重点研究了凡纳对虾亲虾的生长和蜕皮规律.通过一套自行设计的水循环系......
本文介绍了纳米微孔绝热材料,在安阳钢铁股份有限公司40t铁水罐上的应用,通过对安装纳米绝热材料和传统绝热材料的铁水罐测温,进行......
将镁钙砖（w（MgO）=75.13%,w（CaO）=22.09%）制成坩埚烘干,将配好的钢样放于镁钙坩埚内,置于高温管式炉中,同时通氩气保护,升温至1600 ℃恒温......
淡水小龙虾化石在世界上十分少见。龙虾蜕皮的化石还未曾有过记录。文中讨论热生物群上侏罗统义县组发现的，保存十分完好的蜕皮化石......
每天从锯缘青蟹育苗池采集幼体，在实验室内依平衡法测定从孵化至大眼幼体各天青蟹幼体的摄食率，并同时测定青蟹幼体每天的干重和比能......
提出一种用于碳纤维增强碳化硅复合材料（Cf／SiC）的成本低、工艺简单的复合抗氧化涂层：采用熔盐渗金属法在Cf／SiC表面制备钛金属化层，在其......
这研究调查焦炭从鼓风口地区钻了的强风炉子( BF )的粗糙的样品的表面，它招待 Fe-Si 粒子(主要 Fe <sub>3</sub > Si )在尺寸变化，......
在陶瓷过滤器(CFF)的基础上,以浸涂方式在过滤系统中加入JDN-1熔剂,形成复合陶瓷过滤器(CCFF),进而从传质、捕获和保持3个过程分析......
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Excess energy from solar, nuclear or coal power stations can be stored in molten salts (MS) in the 565 °C range. At......
The corrosion of refractory alumina-graphite and alumina-graphite-zirconia in the slag containing titania was studied by......
半周加热太阳能吸热器管给管内对流传热系数带来影响,基于此,建立半周加热横纹管内熔盐对流传热的实验台和数值计算模型,分析横纹......
在500日龄饲养期内,金定鸭具有掺毛、脱翅、旧翅三种飞羽更换性状.掺毛、脱翅换羽性状是可遗传的性状,金定鸭换羽性状的基因型仍处......
采用激光加热基座生长法(LHPG)生长单晶光纤,研究晶体源棒的熔球大小、籽晶点入深度与熔区长度、生长速度、生长质量的关系及控制......
Background: Feathers are a defining feature of birds with multiple functions such as flight, insulation, protection agai......
