2d相关论文
研究目的:直肠癌（rectal cancer）是目前世界上最常见的恶性肿瘤之一,近年来发病率在我国呈上升趋势。对于早期的、局限性的直肠癌,直......
Two dimensional halide perovskites are emerging as attractive electroluminescent materials for developing high-performan......
A Model Transformation-Based Simulation and Analysis Method for Static Properties of Hybrid Stepping
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Ultralong isolated single-walled carbon nanotubes (SWCNTs) were synthesized on the SiO2/Mo mesh to fabricate long indivi......
The 1987 edition of Australian Rainfall and Runoff (national guidelines on flood estimation, Pilgrim, 1987) provided ver......
We used the lattice Boltzmann method to investigate how the hierarchical structure of a rough solid surface,which in thi......
低维无机CsPbI3具有较优的热力学稳定性及相稳定性，在近些年得到了持续的关注，并且准二维(n=40)中获得13.76％突破性的效率.然而，进一步......
Highly Effective 2-D layer Structured Titanium Carbide Electrode for Dye-sensitized and Perovskite S
Develop noble metal free counter electrodes is always a research hotspot in dye-sensitized and perovskite solar cell [1-......
目的 目的 比较3D 腹腔镜根治性全胃切除术与传统2D 腹腔镜根治性全胃切除术对区域淋巴结清扫及并发症的影响。方法 选择2015 年3 ......
Thin film electronics have gained interest among researchers due to its versatile synthesis,electronics and ease of devi......
2DSiC/SiC复合材料具有预制体纺织加工成本低及面内力学性能优异等特点,但其层间力学性能较差是影响其在实际构件应用中的最主要因......
期刊
目的比较3D和2D腹腔镜直肠癌根治术的围手术期和临床近期疗效。方法回顾性分析2014年12月至2016年12月期间，解放军总医院收治的137......
针对在依据晶圆图进行芯片分选时出现的芯片错位问题,提出了一种面向晶圆图的芯片定位方法。基于晶圆上芯片分布特点,采用跳点优化......
Time Dependent Wave Propagation Modeling Using Finite Difference Scheme of 2D Wave Equation Based on
Boundary procedure is an important phenomenon in numerical simulation. To reduce or eliminate the spurious reflections s......
Ultrathin two-dimensional metal–organic framework nanosheets for efficient electrochemical CO_(2) re
Electrochemical CO2 reduction into CO or high-value products is regarded as a feasible pathway for energy conversion,whi......
目的:利用2D/3D U-plus-net提高心脏自动分割的准确率。方法:收集郑州大学第一附属医院60例患者胸部扫描CT图像(数据A)及中国科学......
Experimentally synthesized MoSi2N4(Science 369 670(2020)) is a piezoelectric semiconductor. Here, we systematically stud......
A novel two-dimensional SiO sheet with high-stability,strain tunable electronic structure,and excell
Using the structure search of particle swarm optimization(PSO)algorithm combined with density functional theory(DFT),we ......
Novel 2D CaCl crystals with metallicity, room-temperature ferromagnetism, heterojunction, piezoelect
Under ambient conditions,the only known valence state of calcium ions is+2,and the corresponding crystals with calcium i......
Numerical and back analysis-based methodology for support design of cut slopes at the Turkish – Geor
In this study, geophysical and geotechnical studies were carried out in NE Turkey to evaluate the stability and support ......
简要概括了工业视觉系统的发展、主要构成和特点,同时借助总装典型应用案例介绍了视觉系统在整车装配领域的应用情况,通过对应用场......
锂硫电池具有高理论比容量(1675 mAh/g)和高能量密度(2600 Wh/kg),被认为是极具应用潜力的电池体系,因此被广泛研究和关注。然而硫......
Metal-Free C_(3)N_(4) with plentiful nitrogen vacancy and increased specific surface area for electr
As a substitute for synthetic ammonia under mild condition, electrocatalytic nitrogen reduction reaction(NRR) provides a......
Transition metal sulfides are an important category for hydrogen evolution reaction(HER).However,only few edge unsaturat......
作为层状金属磷硫属化合物的典型代表,MnPSe3以其直接带隙特性、高载流子迁移率以及大的吸收系数而备受关注,在光电领域展现了巨大......
为了给集装箱码头散货码头自动化等更多的工业自动化应用场景提供更多、更稳定的解决方案,助力无人化集装箱码头建设,采用集装箱卡......
Ceramic matrix composite(CMC)and superalloy bolted joints are commonly used high temperature connection structures in ae......
一提起2D回合制网游，大伙肯定很熟悉，很多人都玩过《石器时代》、《魔力宝贝》。虽然上手简单，可真说到战术上，其实并不轻松。而近期朗......
在现在的学习，五不同转换陷井配置(有或没有双方上的盖矩形； trapezoidal ， trapezoidal 与矩形与与双方上的盖基础的 trapezoidal 基......
By using the concept of multigraphs, the difference graphs of a class of alternating block Crank-Nicolson methods are de......
为进一步确证HNPC-A12278的结构,应用DEPT及COSY、HSQC和HMBC等2D NMR技术研究了HNPC-A12278的结构,并对其^1H NMR和^13C NMR全谱......
前不久，广电总局颁布了一项禁令：全国各级电视台所有频道在每天17：00～20：00之间不得播出境外动画片，这在国内的动漫产业中引起了很大的反......
4月20日，索尼（中国）有限公司在北京举行了“索尼3D世界”电视新品会，国家广电总局科技委副主任、原副总工程师杜百川先生亲临发布会现......
DVB宣布，批准DVB-3DTV（2a阶段）规范。此2a阶段系统亦称为服务兼容模式，支持同一视频信号传递一个节目的2D和3D两种版本。这意味着新的3......
Numerical simulations have been performed for a 2D supersonic mixing layer with two different types of excitation, namel......
The two-dimensional primitive equations with Lévy noise are studied in this paper.We prove the existence and unique......
Preparation, stability and two-dimensional ordered arrangement of gold nanoparticles capped by surfa
Gold nanoparticles modified with C10NH2, C12NH2, C16NH2 and C18NH2 respectively have been prepared by the reverse micell......
Transition metal coordination polymers with polycarboxylic acid as bridging ligands: Synthesis and s
A new 2D (two-dimensional) coordination polymer, [Fe(μ4-bta)0.5(phen)(OH)]n (1), has been hydrothermally synthesized wi......
The DNA heptamer [d（TCGCGCG）]<sub>2</sub>,which has an alternating pyrimidine-purine se-quence and a dangling T residue at......
A series of 3d-4f heterometallic frameworks comprising 2D lanthanide-organic layers and diverse Cu-c
Six novel 3D layer-pillared lanthanide-transition metal coordination polymers,LnCuX(IN)2(Ac)(H2O)(Ln = Tb,X = Br(1);Ln =......
Smoothly attaching the stretchable epidermal electronic devices(EEDs) onto the skin surface is highly desired to improve......
Integrating 1D and 2D hydrodynamic,sediment transport model for dam-break flow using finite volume m
The purpose of this study is to set up a dynamically linked 1D and 2D hydrodynamic and sediment transport models for dam......
近年来,随着数字革命的到来与数字时代的兴起,视效早已不再只属于大制作的科幻片,而是广泛应用于包括电影在内的各种类型的影像中.......
目的:探讨3D腹腔镜左肝外叶切除术治疗肝胆管结石的临床价值.方法:回顾性分析并比较我院肝胆管结石病人行2D或3D腹腔镜左肝外叶切......
Two-dimensional (2D) ternary wide-bandgap semiconducting materials have great potential in power device,flexible electro......
二维(2D)材料由于其不同的物化性质和独特的结构特征在催化、储能等领域引起了广泛的关注,2D结构不仅能提高材料的比表面积、反应......
近年来,卤化物钙钛矿（ABX3）由于其独特的光伏和光电性能受到了广泛的关注。作为新生代半导体材料,其拥有独特的结构,通过调节A,B位置......
Action Recognition Using Multi-Scale Temporal Shift Module and Temporal Feature Difference Extractio
<span style="font-family:Verdana;">Convolutional neural networks, which have achieved outstanding performance in image r......
The Problem of Quasiperiodic Photonic Structures Solved by Considering the Cut of 2D Periodic Struct
The physical objective of solving for eigen-modes of a 1D quasiperiodic structure in photonics has been achieved. This w......
