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Heterochromatin is characteristically more compact than euchromatin in the eukaryotic genome. The establishment of heter......
We investigate the temperature field variation in the growth region of a diamond crystal in a sealed cell during the who......
The production of chemicals from lignocellulosic biomass provides opportunities to synthesize chemicals with new functio......
A simple and versatile procedure for the combinatorial synthesis of(Z)-dialkyl-5-(alkylimino)-5Hspiro[furan-2,ll’-inden......
Synthesis and biological evaluation of novel 1,2,4-triazole containing 1,2,3-thiadiazole derivatives
A series of novel 1,2,4-triazoles containing 1,2,3-thiadiazole derivatives were designed and synthesized.Their structure......
Green and efficient cycloaddition of CO_2 toward epoxides over thiamine derivatives/GO aerogels unde
Thiamine derivatives that are cheap, readily available, non-toxic and green are used as heterogeneous catalyst for the g......
On April 2, 2017, the world will celebrate the ninth annual World Autism Awareness Day. In honor of this occasion,Neuros......
Synthesis, Crystal Structure and Antitumor Activity of N-[5-(Benzylthio)-1,3,4-thiadiazol-2-yl]-4-ch
The title compound N-[5-(benzylthio)-1,3,4-thiadiazol-2-yl]-4-chlorobenzamide(C_(16)H_(12)ClN_3OS_2, M_r = 361.86) was d......
Birth Defects in Assisted Reproductive Technology and Spontaneously Conceived Children:A Meta-analys
Objective To evaluate the risk of birth defects in children born following assisted reproductive technology(ART)and spon......
Temporal and spatial distribution of microfractures in granites of different structures under triaxi
The temporal and spatial distribution of microfracturing activity in two kinds of granite under triaxial compression ha......
20-羟二十四烷四烯酸(20-hydroxyeicosatetraenoic acid,20-HETE)在哺乳动物中由CYP4A酶和4F酶系催化花生四烯酸(arachidonic acid......
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OBJECTIVE: To investigate the association between angiotensinogen gene M235T polymorphism and ischemic stroke in East As......
目的:通过应用15-脂氧化酶(15-Lipoxygenase,15-LOX)抑制剂去甲二氢愈创木酸(nordihydroguaiaretic acid,NDGA)抑制15-羟基-二十碳......
研究表明,羊水中前列腺素(PGs),尤其是PGE_2与PGF_(2α)浓度增高与启动分娩有关。尽管PG是分娩的关键介质,有证据表明脂肪氧合酶......
用肺动脉环和全细胞膜片钳技术研究15-羟化二十烷四烯酸(15-HETE)对缺氧兔肺动脉平滑肌钾离子通道的影响。新出生的幼兔分两组,一......
Petrophysical and capillary pressure properties of the upper Triassic Xujiahe Formation tight gas sa
The tight sandstones of the Upper Triassic Xujiahe Formation(T_3x) constitute important gas reservoirs in western Sichua......
The concentration (c) of the element being defined inquantitative local analysis is evaluated by means of thecalculated......
Acute myeloid leukemia (AML) is a heterogeneous group of hematopoietic malignancies which are characterized by the block......
Genomic atlases of introgression and differentiation reveal breeding footprints in Chinese cultivate
The long history of cultivation and breeding has left a variety of footprints in the genomes of Asian cultivated rice(Or......
Objective:The association between ribonuclease L(RNASEL)gene polymorphisms and prostate cancer risk has been widely repo......
Fully amorphous Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass (BMG) samples with a relative density exceeding 98％ were fa......
Electrocatalytic carbon dioxide ( CO2) reduction (ECR) has become one of the main methods to close the broken carbon cyc......
Containment control for heterogeneous nonlinear multi-agent systems under distributed event-triggere
We study the containment control problem for high-order heterogeneous nonlinear multi-agent systems under distributed ev......
A 3×3 complete diallel cross comprising three families of the clam Meretrix meretrix(P1, P2 and P3) was used to determi......
AIM:To review evidence relating passive smoking to lung cancer risk in never smokers,considering various major sources o......
Identification of retrotransposon families and analysis of their transcriptional activation in wheat
Variations in the reverse transcriptase (RT) domain were analyzed to clarify retrotransposon family structure and thei......
Soybean [Glycine max (L.) Merr.] is a major legume used for human and livestock consumption. It has protein quality and ......
Effects of Nutritional Factors on the Growth and Heterotrophic Eicosapentaenoic Acid Production of D
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......
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......
Syntheses and Structures of Two Coordination Polymers Containing Macrocyclic Oxamide and Isophthalic
本文通过对荣华二采区10...
Syntheses and Structures of Two Coordination Polymers Containing Macrocyclic Oxamide and Isophthalic
Two novel coordination polymers [Cd(NiL)(aipt)](1) and [Mn(nipt)(NiL)2]·H2O(2)(NiL,H2L=2,3-dioxo5,6,14,15-dibenzo- 1,4,......
目的 探讨中国HIV-1 B/C亚型感染者对异体病毒中和作用与疾病进展的关系.方法 根据CD4 T淋巴细胞数量和有尤临床症状将HIV-1 B/C亚......
Effects of Nutritional Factors on the Growth and Heterotrophic Eicosapentaenoic Acid Production of D
The effects of several nutritional factors on the growth and eicosapentaenoic acid (EPA) production of diatom Nitzschia ......
提出了一种基于Polytec外差激光干涉仪输出S/PDIF数字信号解码的加速度计校准方法,优化了校准过程,并保障了加速度计的灵敏度幅值......
分析了带恒功率负荷的级联系统在平衡点稳定的条件,以两源和两负荷级联系统耦合为例,通过求解耦合系统的特征值表明,2个参数相同的......
研究了异养条件下pH、Cr3+浓度、温度、氮源等对小球藻富集Cr3+的影响,并对小球藻生物富集Cr3+的过程和机制进行了初步研究和探讨.......
本文着重介绍了分布式系统的基本概念，典型体系结构及要解决的相关设计问题，并结合实例进行了分布式系统的一般实现方法。同时，也探讨......
采用密度泛函理论方法在B3LYP/6-31G（d）水平上对吡啶二硫代酯与丁二烯的杂Diels-Alder反应的反应机理进行了理论计算研究,并且也考虑......
以2-氨基-4-磺酸基苯甲酸为原料，经过重氮化、还原并与糠醛缩合，生成2-羧基-5-磺酸基苯肼糠醛腙．该中间产物与3-乙酰氨基5-氨基-4-羟......
选用我国的３８个冬小麦品种（系）和２个加拿大春小麦品种（系），利用ＲＡＰＤ标记进行小麦基因型之间分子标记遗传差异研究，探讨分子标记在建立小麦杂种优......
利用粳型优势生态型台湾粳‘嘉农428’和‘嘉农育251’为受体材料,粳稻骨干恢复系‘C418’为供体材料,连续回交到BC1F1和BC2F1代,......
为加强人脸识别系统的隐私保护,本文引入基于灰度图像改变的加密解密算法对重要识别对象进行保护。为提高人脸识别与加密解密速度,......
为了提高采用余度结构的汽车关键电子系统之间通讯的安全可靠性，利用余度通信理论和实现方法，提出了一种高安全可靠性车载余度异构总......
【目的】探索五指山猪近交3个不同家系F14-F18等位基因的遗传学规律,为大型动物近交系培育提供依据。【方法】利用14对微卫星DNA引......
BiVO4/WO3异质结薄膜因其优异的光电催化活性,已成为光电催化领域的研究热点。然而,目前制备BiVO4/WO3异质结薄膜通常采用简单的沉......
基于存在自发凝结的均质与非均质湿蒸汽两相流动，开发了基于汽液两相双流体模型和k-ε-kp。湍流模型的计算方法，对二维叶栅中的均质......
