搜索结果: 1-15 共查到“知识库 EC”相关记录79条 . 查询时间(0.082 秒)
长期单施不同量化肥和有机肥后盐化潮土pH和EC的变化
肥料类型 施肥水平 土壤pH 土壤EC
2019/10/22
【目的】研究长期单施不同量有机肥和化肥对华北平原盐化潮土区土壤pH和EC的影响，以期为本地区科学实施有机肥替代化肥提供数据支撑和理论依据。【方法】本研究以始于2006年的长期定位试验为研究平台，在冬小麦–夏玉米一年两熟种植制度下，有机肥和化肥处理均设置10个氮水平，N 0、60、120、180、240、300、360、420、500和600 kg/hm2，共计19个处理，监测了连续施用不同量化肥和...
EC、FISH及BTA联合在肾盂癌鉴别诊断中的应用价值
脱落细胞学 荧光原位杂交技术 膀胱肿瘤抗原 肾盂癌
2020/6/9
观察脱落细胞学检查（EC）、荧光原位杂交技术（FISH）及膀胱肿瘤抗原（BTA）3种方法联合诊断肾盂癌的临床价值。方法回顾性分析保定市第二医院泌尿外科120例疑似肾盂癌患者临床病历资料,记录所有患者EC、FISH及BTA结果,以病理活检结果为金标准,分析单一或联合采用3种检查方法诊断肾盂癌的准确性,并绘制受试者工作曲线（ROC）,比较单一或联合采用3种检查方法的价值。
On the One-Per-Message Unforgeability of (EC)DSA and its Variants
signature schemes DSA ECDSA
2017/9/18
The American signature standards DSA and ECDSA, as well as their Russian and Chinese counterparts GOST 34.10 and SM2, are of utmost importance in the current security landscape. The mentioned schemes ...
Error-free protection of EC point multiplication by modular extension
elliptic curve point multiplication modulus extension
2017/2/28
An implementation of a point multiplication function in an elliptic-curve cryptosystem can be attacked by fault injections in order to reveal the secret multiplier. A special kind of such an attack is...
EC-OPRF: Oblivious Pseudorandom Functions using Elliptic Curves
oblivious psuedorandom function elliptic curve cryptosystem multi-party computation
2017/2/20
We introduce a secure elliptic curve oblivious pseudorandom function (EC-OPRF) which operates by hashing strings onto an elliptic curve to provide a simple and efficient mechanism for computing an obl...
High Saturation Complete Graph Approach for EC Point Decomposition and ECDL Problem
ECDL problem Semaev polynomials block ciphers
2016/7/20
One of the key questions in contemporary applied cryptography is whether there exist an efficient algorithm for solving the discrete logarithm problem in elliptic curves. The primary approach for this...
探讨细胞外超氧化物岐化酶(EC-SOD)在同型半胱氨酸(Hcy)致巨噬细胞氧化应激中的作用及机制。方法 将THP-1单核细胞用佛波酯刺激48 h后演变成巨噬细胞,用0、50、100、200、500 μmol/L Hcy作用细胞72 h,并加设叶酸＋维生素B12(VitB12)干预组(100 μmol/L Hcy＋30 μmol/L叶酸＋30 μmol/L VitB12)。微板法检测氧化应激指标(H...
In December 2015, Juniper Networks announced that unknown attackers had added unauthorized code to ScreenOS, the operating system for their NetScreen VPN routers. This code created two vulnerabilities...
Dual EC is an algorithm to compute pseudorandom numbers starting from some random input. Dual EC was standardized by NIST, ANSI, and ISO among other algorithms to generate pseudorandom numbers. For a ...
ECH2O EC-5水分传感器测定沙地土壤含水率的可靠性
EC-5水分传感器 沙地土壤水分 校正
2016/12/22
对ECH2O EC-5土壤水分传感器测定科尔沁沙地土壤含水率的可靠性进行验证。[方法] 以烘干法测定数据为基准值，采用回归分析方法建立ECH2O EC-5水分传感器测定沙地土壤含水率的校正方程，并用独立的样本进行验证。[结果] ECH2O EC-5水分传感器测定值与烘干法测定值之间具有很好的线性回归关系（R2=0.96），呈显著正相关（p<0.01）；验证结果显示，ECH2O EC-5土壤水分传感...
Comparison of two sensors ECH2O EC-5 and SM200 for measuring soil water content
bulk density CaCO3 ECH20 soil moisture sensor EC-5 fraction of sand particles SM200 sensor soil and soil water salinity soils of the Czech Republic soil water content
2015/3/3
The goal of this study was calibration of the ECH20 soil moisture sensor EC-5 and the sensor SM200 for selected soils of the Czech Republic. Based on the soil maps of the Czech Republic and various cl...
Simulation of tropospheric chemistry and aerosols with the climate model EC-Earth
Simulation of tropospheric chemistry the climate model EC-Earth
2014/12/19
We have integrated the atmospheric chemistry
and transport model TM5 into the global climate model
EC-Earth version 2.4. We present an overview of the TM5
model and the two-way data exchange betwee...
热疗对食管癌细胞株EC-1放疗的增敏作用
热疗 人食管癌细胞株EC-1 放疗增敏
2014/6/7
初步探讨热疗对食管癌细胞株EC-1放射增敏作用及其可能机制，为热疗与放疗联合治疗食管癌提供理论依据。方法 采用平板克隆形成分析法计算各组细胞存活分数SF，“多靶单击数学模型”拟合细胞存活曲线。流式细胞术检测细胞凋亡及细胞周期的变化。结果 热疗对食管癌细胞株EC-1放疗有显著的增敏作用，热疗30 min的放射增敏比为1.060。热疗可使细胞阻滞在G2/M期，使G0/G1期、S期细胞比例减少，增加细胞...
在建立饱和及土水比1∶5（m∶v）条件下ECe 与EC1:5 相关关系的基础上，建立EC1:5 的土壤盐分分级指标，评价了传统管理条件下设施越冬长茬和春茬的土壤盐分动态。结果表明：设施菜田土壤ECe 与EC1:5 呈极显著正相关，在京郊土壤条件下换算公式为EC1:5 =0.105 ECe；果类蔬菜中茄子和辣椒属敏感蔬菜作物，苗期和全生育期耐盐性根层土壤EC1∶5 临界值分别为0.10 dS·m...
热疗对食管癌细胞株EC-1放疗的增敏作用
热疗 人食管癌细胞株EC-1 放疗增敏
2014/4/24
初步探讨热疗对食管癌细胞株EC-1放射增敏作用及其可能机制，为热疗与放疗联合治疗食管癌提供理论依据。方法 采用平板克隆形成分析法计算各组细胞存活分数SF，“多靶单击数学模型”拟合细胞存活曲线。流式细胞术检测细胞凋亡及细胞周期的变化。结果 热疗对食管癌细胞株EC-1放疗有显著的增敏作用，热疗30 min的放射增敏比为1.060。热疗可使细胞阻滞在G2/M期，使G0/G1期、S期细胞比例减少，增加细胞...