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（1） If you are in any major city in America， the chances are high that you are not far from a Starbucks. In fact， you mig......
“The walls in our apartment are so thin that whenever our neighbors open their windows in winter， we are sure to catch a......
A 1. I rang the bell but there was no a_______. 2. I don’t like this pen, please give me a_______. 3. A smile ......
Introduction The first daily objects are shoes， which are wearing by people in everyday life（Figure1）. And the second ob......
Robert Siegel （Host）： Now a story about a mother and daughter bound through impersonation. Comedian Maria Bamford imitates ......
There are many special terms in the world of business. The following story is about a sweetheart deal which I made la......
Now I know you hoped for a Commencement speaker beloved in Boston—a man known for his popularity， character， and grace un......
The long June twilight faded into night. Dublin lay enveloped indarkness but for the dim light of the moon that shone th......
Abstract [Objectives] This study was conducted to discuss the change laws and relationships of the physiological indexes......
介绍国家标准GB/T 30540-2014《文件管理应用电子数据的存档计算机输出缩微品(COM)/计算机输出激光光盘(COLD)》的主要内容,说明在......
Abstract [Ob.iective] The aim was to explore climatic characteristics of cold and frost disaster and the effects on flow......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Water stress and cold stress are important factors restricting plant growth. However, there is little knowledge on the f......
The Relationship Between Developmental Accumulation of Leaf Soluble Proteins and Vernalization Respo
The relationship between vernalization requirement and quantitative and qualitative changes in total leaf soluble protei......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
目的探讨亨廷顿蛋白相关蛋白1(HAP1)在大鼠肾上腺髓质的超微结构定位,以及寒冷应激对大鼠肾上腺髓质HAP1表达的影响。方法成年雄性......
目的观察桂枝汤化裁治疗妊娠期风寒感冒的临床治疗效果及安全性。方法选取妊娠期妇女124例，随机分为甲乙两组，甲组采用桂枝汤进行治......
ICE1, an Arabidopsis thaliana transcription factor gene, was cloned by RT-PCR and successfully transformed into rice var......
目的 建立大鼠肾冷缺血再灌注损伤(IRI)的模型.方法 封闭群SD大鼠24只,随机分为2组(n=12):A组(对照组),B组(实验组).A组切除右肾并......
目的 研究树状大分子修饰纳米金颗粒作为CT分子探针的可行性.方法 将第5代聚酰胺胺树状大分子修饰的纳米金颗粒(Au DENPs)配制成15......
利用砂培的方法研究了3个抗旱、抗寒性不同小麦品种在干旱、低温交叉逆境下渗透调节物质及渗透调节能力的变化与交叉适应的关系.结......
The transcription factors DREB1s/CBFs play important roles in the regulation of plant resistance to environmental stress......
以黑龙江省30份主栽水稻品种或品系为试材,在孕穗期设置17℃冷水灌溉处理(20d),以常规栽培管理为对照,分析冷水胁迫对水稻干物质生......
Abstract [Ob.iective] The aim was to explore climatic characteristics of cold and frost disaster and the effects on flow......
采用王水水浴消解—冷原子荧光光谱法(AFS)测定土壤中的汞.利用自行研制的峰值积分测定方法与传统峰面积积分测定方法比较,优化了A......
为了给锅炉热态调整提供依据,对高效煤粉锅炉进行冷态空气动力场试验。方法是通过锅炉冷态模化原理,模拟炉膛热态下的空气动力场。......
Emulsion,obtained by cationic emulsifiers,allows much larger oil droplets with narrower particle distribution, slows dow......
大体积混凝土大坝施工时内外大温差会造成混凝土的开裂,寒冷环境下大坝运行时冰的冻融过程会对混凝土造成胀裂破坏,因此寒冷环境下......
Overexpression of Arabidopsis thaliana malonyl-CoA synthetase gene enhances cold stress tolerance by
Malonyl-CoA synthetases may modulate cell responses to abiotic stress by regulating stress-related signaling transductio......
稻螺共作是一种田螺养殖与水稻种植相结合的生态种养模式。文章介绍了田螺的主要生物学特性、中国稻螺共作模式应用概况,分析了黑......
冷启动修正系数对循环油耗的仿真结果影响很大,本文采用怠速工况下油耗消耗量变化等效计算出循环工况的冷启动修正系数,并采用实车......
目的:本研究旨在探讨纳米二氧化硅(Nano-SiO 2)颗粒和寒冷复合对人肺腺癌上皮细胞A549细胞毒性及炎性因子分泌的影响。方法:本研究......
采用苏玛罐采样-大气预浓缩仪结合气相冷柱箱与Deans Switch中心切割技术,将C_2～C_3组分切割至HP-PLOT/Q+PT柱,用FID检测器分析,其......
为了给黄河凌汛期防灾减灾提供理论参考和数据支撑,利用气象、水文等观测数据和水气界面热量平衡方程,对黄河内蒙古河段冷空气活动......
四角切圆锅炉内煤粉的燃烧过程对提高锅炉运行效率及NOX减排有着显著的现实意义。通过搭建四角切圆锅炉冷态模型,利用粒子成像测速......
目的探讨B7—1和B7—2在大鼠肝脏冷缺血再灌注损伤时的表达及其免疫学意义。方法将30只大鼠随机分为3组：A组为假手术组（对照组）；B组为......
对目前流行的几种基于Web的数据库动态交互访问技术进行了探讨，着重阐述了其各自的特点，并对它们各自的性能进行了比较和分析。......
西藏满拉水利枢纽是全国６２项缓藏项目中最大的工程，其粘土心墙堆石坝砂砾石基础混凝土防渗墙有“西藏第一墙”之称。由于该工程地处西......
冷弯试验时，钢筋表面相对弯芯放置位置不同，钢筋的变形部位将产生“位置效应”，文章用Ф18、Ф22、Ф25 3种规格的螺纹钢筋，对这种“位......
针对铸造铅青铜材料难变形的特点,采用了合理的工艺技术,使延伸率由6%提高到11%,并成功地进行了铸态组织挤压,达到对铸态组织的改......
选用耐冷型品种桂糖28号（GT28）和冷敏感型品种新台糖22号（ROC22）为材料,利用人工气候模拟低温逆境,研究了低温胁迫对甘蔗节间可溶性蛋......
我国当前以锅炉燃烧为主的天然气利用模式不能按能量品质用能,严格来讲并不符合节能要求,必须引入新的运行机制来提高能源利用效率......
目的：探究感冒后咳嗽经小柴胡汤加味治疗的疗效。方法：收治感冒患者110例,随机平分两组。对照组予常规西药治疗,试验组予小柴胡汤加......
Effect of heat treatment on microstructure and properties of single crystal copper cold-welded joint
With the means of electron backscattered diffraction(EBSD),mechanical properties test and digital eddy current metal con......
新疆北部山区地处西北寒冷干旱地区,碾压混凝土坝在温度场和温度应力场时空分布规律方面具有独特的特点。结合具有较好代表性的新......
根据冷凉风沙区农业生产的特点,针对推广应用机械化保护性耕作要解决的关键问题,试验研究了不同机械化保护性耕作技术体系在提高产......
