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Role of Cyp19a1 in the female pathway of a freshwater turtle species(Mauremys reevesii)with temperat
The molecular mechanisms underpinning temperature-dependent sex determination(TSD)in reptiles have attracted great biolo......
Cryodamages occur during sperm cryopreservation. Cryopreservation of fish sperm usually results in marked decrease in sp......
<正> An acoustic radiation effect may be produced by ultrahigh energy particles while traversing water. The idea of usin......
Carbon dioxide reforming of methane over Ni/Mo/SBA-15-La_2O_3 catalyst:Its characterization and cata
The Ni/Mo/SBA-15 catalyst was modified by La2O3 in order to improve its thermal stability and carbon deposition resistan......
Ni/γ-Al2O3 , Ni/Y-zeolite, and Ni/H-ZSM-5 catalysts were prepared using the incipient wetness impregnation method. Thei......
Subtropical sea surface salinity (SSS) maximum is formed in the subtropical South Indian Ocean (SIO) by excessive evapor......
Distribution and Ecological Risk Evaluation of Organochlorine Pesticides in Sediments from Xinghua B
The concentrations of organochlorine pesticides (OCPs) in sediments from Xinghua (兴化) Bay,Fujian (福建) Province,China......
Based on the data of wetlands in Huanghe delta and Liaohe delta which were go by the combination of Remote Sensing(RS), ......
同是2004,不同的两家电影发行公司,在地球两端遥相呼应,分别在自家的市场展现了高超的炒作能力。北美的“新市场”把一部事先无人......
Acta Pharmaceutica Sinica B now indexed by Thomson Reuters Web of Science: Emerging Sources Citation
Acta Pharmaceutica Sinica B(APSB)is now indexed by Thomson Reuters Web of Science:Emerging Sources Citation Index.Emergi......
Early Cretaceous gold deposits in the North China Craton and the famous Carlin-type gold deposits in Nevada are given th......
The specimens for the present study were collected during 1957-1962 from the estuarine and mixohaline waters of Chu Kia......
针对Zig Bee网络所面临的中间人攻击和假冒攻击,提出了一种Zig Bee节点多因子身份认证方案,该方案引入以特定周期更新的新鲜因子,......
Preliminary evaluation of magnetic resonance fresh blood imaging for diagnosis of Budd-Chiari syndro
Background Budd-Chiari syndrome (BCS) is a rare disease with portal hypertension caused by the blockage of the hepatic v......
Effects of 2,4-Dichlorophenoxy Acetic Acid and Light on Growth of Gerbera(Gerbera jamesonii cv.Daxue
This study was conducted to determine effects of 2,4-dichlorophenoxy acetic acid(2,4-D) and light on growth of gerbera(G......
Preliminary evaluation of magnetic resonance fresh blood imaging for diagnosis of Budd-Chiari syndro
Background Budd-Chiari syndrome (BCS) is a rare disease with portal hypertension caused by the blockage of the hepatic v......
变制冷剂流量空调系统是一种新型集中空气调节方式.该系统结构简单、管理方便;但如何解决系统的新风处理问题,却一直没有令人满意......
为探讨乙二胺四乙酸二钠(disodium ethylenediamine tetraacetate,EDTA-2Na)溶液对鲜切“黄冠”梨、“红香酥”梨、“砀山”梨的保......
运用四因素五水平二次回归正交旋转组合设计方法,对普那菊苣鲜草产量与种植密度（x1）、氮肥施用量（x2）、磷肥施用量（x3）、钾肥施用量（x4）间......
研究了委陵菜提取液对4种细菌的抑制作用。结果表明：委陵菜提取液能有效地抑制细菌的生长，对供试菌的最低抑菌浓度金黄色葡萄球菌为6......
研究运用近红外高光谱成像技术对新鲜与冻融的牛肉进行判别。将45个牛肉样品随机分为两组,第一组25个为新鲜样品,第二组20个作为冻......
目的 探讨不同方法检测DNA倍体结果的一致性及可靠性.方法 分别采用单细胞制备仪、组织匀浆器及石蜡组织提取DNA标本,通过流式细胞......
测定枇杷园套种豆科牧草对果园植被覆盖度、牧草生物产量的动态变化、可刈性以及枇杷果实产量和品质的影响,结果表明,套种3种豆科......
将10株乳酸菌分别接种到MRS肉汤、鲜牛乳、蔬菜汁培养基中进行发酵。发酵48h后用羟胺法检测超氧化物歧化酶，可见光法检测过氧化氢酶......
采用田间试验方法,研究了在锌同一施用量条件下,有机酸-磷配合施用对紫花苜蓿生长及对磷锌元素吸收的影响.结果表明,施磷肥和有机......
对鲜食糯玉米的11个主要数量性状与鲜穗产量进行相关和通径分析,为选育鲜食糯玉米高产品种的性状选择提供理论依据;各性状中与产量......
以＂辽宁4号＂鲜核桃为试材,研究了常温（20±3）℃和低温（0±1）℃下核桃的贮藏效果,测定其胚芽中内源激素脱落酸（ABA）、赤霉素（GA3）、生......
为了研究菲涅耳域光学图像加密系统的解密过程，提出了一种根据对称图像加密密文恢复原图像的方法。采用密文全息的逆菲涅耳变换重构......
本文介绍了数码涡旋技术在大型办公楼中的应用,充分反映数码涡旋机组的技术优势、维护方便、运行节能、控制精确简便,特别是数码多......
徐俯是宋代江西诗派著名诗人之一。年幼时非常聪明，七岁能作诗，为舅父黄庭坚所喜爱，所以从小便接受黄庭坚的启蒙教导。在诗歌创作的前......
南半球环状模是南半球热带外大气环流变异的主导模态，对南半球海洋—大气—海冰耦合系统有重要的影响。冰川融化激发的淡水强迫是南......
本文概述了9种除草剂对南方亚麻田杂草的田间防治效果，通过田间试验表明．二甲四氯钠、敌草胺、畀丙甲草胺、精异丙甲草胺4种除草剂对......
论文针对当前中小型公共图书馆所面临的现状,论述了开辟读者服务工作的新途径....
元散曲家乔吉提出了“凤头、猪肚、豹尾”的创作理论，在基本遵循和部分突破自己创作理论的基础上，乔氏创作了大量具有清丽、新奇风格......
以傅里叶光学为基础,应用菲涅耳-惠更斯原理推导出了用于设计阵列波导光栅解复用器的数学模型;分析了菲涅耳近似条件对光场在自由......
为了提高版权信息隐藏的稳健性和隐蔽性,提出了一种新的版权信息隐藏方法,首先通过菲涅耳衍射变换生成版权信息的随机相位矩阵,然......
【正】"As one of those smart-phone addicts,I have no way to live for one single day without smartphone,"said a fresh gra......
通过添加锌、铟、锡、镓等合金元素和适当的冶炼工艺，研制成功了工作电位负于－１．４０Ｖ（ＳＣＥ）、实际电容量≥２１７５Ａ．ｈ／ｋｇ、表面活性高、溶解非常均匀的铝合金牺......
德国教育学家第斯多惠说过：＂教学的艺术不在于传授人本领,而在于激励、唤醒和鼓舞人。＂作为一名大学英语教师,应该在教学中大胆创新,......
①目的观察天然生物保鲜剂对蔬菜的护色效果.②方法采用保鲜剂浸泡法,在25℃室温条件下观察不同保鲜剂对蔬菜的保鲜护色效果.③结......
以八仙花切花品种“经典红”为试材，开展不同配方瓶插液处理对八仙花切花保鲜效果的影响试验，筛选八仙花切花保鲜最适瓶插液，为八仙花......
<正> Based on the technique of integration within an ordered product of operators,the Weyl ordering operatorformula is d......
Ordering and Pricing Strategies for Fresh Products with Multiple Quality Levels Considering Consumer
In this paper, considering a scenario in which there are two quality levels of fresh products and introduction of consum......
目的查清福建省淡水蟹类在34个各县市分布及其携带并殖吸虫情况。方法广泛收集各地溪蟹标本并鉴别种类，检查蟹体内感染并殖吸虫囊蚴......
计算全息能很好地实现传统光学全息干涉衍射过程的数字化模拟,与传统实验相比,实验参数调整方便,现象直观。将计算全息引入到光学......
为探讨以麝香草酚为抗菌剂制备的抗菌包装对蓝莓品质和生理变化的影响,本研究以灿烂蓝莓为材料,采用麝香草酚/聚乳酸抗菌包装结合......
提出一种根据象面全息法改善有机玻璃制大口径菲涅耳透镜成象质量的方法，给出了“全息干版”和“光导热塑片”制备的两种“补偿板”......
分别取海水养殖的南美白对虾(海养虾)和淡水养殖的南美白对虾(淡养虾)的肌肉2～3 g、肝胰腺1 g,采用Folch液提取脂肪,用气相色谱法(G......
主要阐述水运工程可行性研究的内容以及ＦＲＥＳ系统的组成及其结构。ＦＲＥＳ系统由基本要素审查、必要性评价、技术可行性评价、经济评价、评审结......
