Len相关论文
The computer simulation of the combustion process in blast furnace (BF) stove has been studied by using the k ε g ......
By the end of 2010, China has completed 85,000 kilometers of oil and gas pipelines in length, of which natural gas pipel......
The phase behaviors of the complex formed by didodecyldimethylammonium bromide(DDAB)and cetyltrimethylammonium bromide(C......
1 Introduction Hydraulic fracturing refers to the parting of geomaterials due to excessively high fluid pressure.The mos......
Er~(3+)-doped phosphor-tellurite glass for broadband short-length Er~(3+)-doped fiber amplifier(EDFA)is fabricated and c......
Broadband dispersion compensating fiber using index-guiding photonic crystal fiber with defected cor
We present a novel broadband dispersion compensating photonic crystal fiber with defected core in this paper.The small c......
As the feature size of the CMOS integrated circuit continues to shrink, the more and more serious scattering effect has ......
Theoretical analysis of amplification performance of space-based lasers with different pump configur
We investigate a theoretical model to accurately predict the output performances of slab laser amplifiers, which is one ......
Vegetative propagation of Holarrhena pubescens,a wild tropical medicinal plant:effect of indole-3-bu
The present study investigated the rooting ability and growth performance of juvenile single-node leafy stem cuttings of......
By incorporating the strain gradient elasticity into the classical Bernoulli-Euler beam and Timoshenko beam models, the ......
A 150-nm-thick GaN photocathode with a Mg doping concentration of 1.6×1017cm-3 is activated by Cs/O in an ultrahigh vac......
We show two external cavity-enhanced second-harmonic generations of 922 nm with periodically poled potassium titanyl pho......
The coupling efficiency of the beam combination and the fiber-coupled module is limited due to the large vertical diverg......
Total Ionizing Dose Response of Different Length Devices in 0.13 μm Partially Depleted Silicon-on-In
An anomalous total dose effect that the long length device is more susceptible to total ionizing dose than the short one......
目的观察25 G玻璃体切除治疗人工晶状体囊袋张力环复合体脱位于玻璃体内的临床效果。方法对7例(7眼)人工晶状体囊袋张力环复合体脱......
目的分析双眼前房深度不对称的闭角型青光眼的临床特点及治疗方法。方法回顾性分析双眼前房深度不对称闭角型青光眼21例(21眼)(晶......
目的观察中央孔型有晶状体眼后房型人工晶状体(ICL V4c)植入术矫正低中度近视的效果。方法回顾性研究2015年1月至2017年12月ICL V4......
目的观察张力环睫状沟固定术治疗人工晶状体张力环复合体偏位的临床效果。方法回顾性分析2014年2月至2018年2月6例(8只眼)人工晶状......
A very serious problem of instability that arises in the vertical thermosyphon reboilers can be solved by a newly devel......
Analytical model of vertical vibrations in piles for different tip boundary conditions:parametric st
In this paper,a model named fictitious soil pile was introduced to solve the boundary coupled problem at the pile tip.In......
Association of single nucleotide polymorphisms of brain-derived neurotrophic factor gene and multidr
BACKGROUND:There are two hypotheses for the underlying cause of refractory epilepsy:“target”and“transport”.Studies h......
阜阳市局 ￡4a 局长——_MINtkMMtgj’＃lnH＄B——q.M——D收束志不他只邀狲位J则【科校为先导推动地租工作.B为广为戳民U用凶盼引眯B.......
ON June 2,1997,“The Cultural Express Train” from France came to us as swiftly sa wind and the Chinese audience had th......
Polymorphisms in sulfotransferase 1A1 and glutathione 5-transferase P1 genes in relation to colorect
AIM: To examine whether polymorphisms in SULT1A1 and GSTP1 genes contribute to colorectal cancer development and whether......
The effects of the casting factors such as nozzle size to pour the melt,nozzle height,tilt of the slope and slope length......
The dynamic fracture behavior of TA15ELI alloy with lath-like microstructure was studied by caustics method.Specimens wi......
SFC RF cavity is a resonant cavity 1/4 wavelength(showed in Fig.1), there is a strict relation between resonant frequenc......
In the case of pier-group structures in offshore engineering construction, the calculation of wave forces on piers is q......
A fuzzy logic intelligent control system of pulsed MAG welding inverter based on digital signal processor (DSP) is propo......
Screening for High-Temperature Tolerant Cotton Cultivars by Testing In Vitro Pollen Germination,Poll
With radical global climate change and global warming,high temperature stress has become one of major factors exerting a......
“经济越发展,会计越重要”.近年来, 随着我国社会主义市场经济快速、健康、持续发展,会计在市场经济中的重要地位越加凸显;随着我......
Genetic Polymorphism and Puerarin Differences of Puoraria lobata(Willd) Ohwi in Three Gorges Reservo
[Objective]To conduct Inter- simple Sequence Repeat( ISSR) amplification and show the genetic polymorphism. [Methods]In ......
Soil drying may induce a number of stresses on crops. This paper investigated maize(Zea mays L.) root growth as affected......
Transcriptome analysis reveals long noncoding RNAs involved in fiber development in cotton (Gossypiu
Long noncoding RNAs(lnc RNAs)play important roles in various biological regulatory processes in yeast,mammals,and plants......
目的 探讨原发性急性闭角型青光眼合并白内障的手术方法.方法 35例(46只眼)采用超声乳化吸出人工晶状体植入术治疗原发性急性闭角......
目的 观察高阶像差对超声乳化并人工晶状体植入术后眼视觉质量的影响,探讨改善术后视觉质量的方法.方法 检测129例(129眼)白内障超......
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基于菲涅尔衍射积分和将硬边孔径函数展开成有限项复高斯级数方法推导出了计算透镜衍射光强分布的解析表达式．所得的解析表达式克服......
目的诱导大鼠脂肪基质细胞成脂分化,观察慢病毒感染效果。方法大鼠脂肪基质细胞培养至第3代后,间接免疫荧光法鉴定细胞表面抗原CD4......
Long-term durable response to lenalidomide in a patient with hepatic epithelioid hemangioendotheliom
Epithelioid hemangioendothelioma(EH)is a rare tumor arising from the vascular endothelial cells of soft tissue or viscer......
本文采用Lennard—Jones对相互作用势计算了Ne，Ar，Kr和Xe四种稀有气体晶体密排面的广义层错能，对〈112〉和〈110〉两个对称方向的广义......
[目的]构建山羊乳腺特异性表达尿激酶原突变体的重组慢病毒载体，证明其表达的有效性。[方法]将劳氏肉瘤病毒增强子／启动子、复制缺陷......
总结色纺纱对染色原棉的质量要求。分析了原棉染色前后各项质量指标的变化情况，提出染色原棉的成熟度系数选用在1．6～1．8之间；细度控制在......
针对铸型深腔加工的要求,采用有限元法研究了大长径比专用铸型铣销刀具的动态特性。建立了专用刀具的有限元参数化模型,计算了不同......
从本地化有源电磁辐射和电路结构边缘对于外场扰动的角度出发，提出一种本地化电磁危害（Localized Electromagnetic Hazards-LEH）的新......
从资金需求方——中小企业——角度出发,在EOQ库存控制模型中加入存货质押融资定价的关键参数——贷款利率,并按动态质押模式进行......
目的：探讨β-arrestin2抗基因RNA慢病毒载体在体外工具细胞中的基因沉默效应及其携带的用于活体核磁共振成像监测的铁蛋白报告基因......
针对基表内水流分布是影响流量测量精度的关键问题，利用流体力学知识结合数值模拟分析，设计了一种基于改善水流特性的超声波热量表。......
目的证明全反式维甲酸（all-trans retinoic acid,ATRA）对兔眼晶体囊外摘除术后后发性白内障（after cataract）形成有抑制作用同时初步确......
