nano

摘要： Crumb rubber powder is a successfully used renewable material obtained from waste tire rubber,which has been incorporated into paving asphalt since the 1930s due to its good resistance to deformation and fatigue as well as its eco-friendly performance.In this study,carbon nanotubes and nano silica were incorporated into the terminal blend crumb rubber modified asphalt technology to remedy the issues of excessive desulfurization and degradation of ground tyre rubber with this technology.The mechanism behind the high temperature delayed elastic properties of the crumb rubber-nano-asphalt hybrids was experimentally investigated based on discrete relaxation spectrum.Development of the discrete relaxation spectra was accomplished by fitting on the 60°C storage modulus data tested by the dynamic shear rheometer using the generalized Maxwell model.Subsequently,the feasibility of characterizing delayed asphalt elasticity using main relaxation time was verified by test results from the 60°C creep and recovery test.Results indicated that the crumb rubber-nano-asphalt hybrids exhibited arrheodictic behavior and the asphalt elasticity was strengthened by two nano agents.Moreover,the elasticity reinforcement with carbon nanotubes was greater than with nano silica.Additionally,a good correlation was observed between the 60°C zero shear viscosity and main relaxation time,and greater 60°C zero shear viscosity was correlated to longer main relaxation times.Furthermore,longer main relaxation time of the asphalt was related to greater average recovery rate in the creep and recovery test.This research is expected to shed some light on the mechanism behind time-dependent elasticity of crumb rubber modified asphalt from the perspective of polymer physics.

摘要： Nano-trace element additives, with a particle size of 1-100 nm, are absorbed directly by osmosis in animals without ion exchange. When added to the feed, they can not only promote the growth by own nutrition at the conventional size, but also greatly improve the utilization and ab-sorption rate of additives by animals. In this paper, the researches on micro-element feed additives such as nano-selenium, nano-copper, nano-zinc and nano-chromium were reviewed, which will provide basis for breeding production.

摘要： 使用FPGA器件作为主控制芯片,Quartus II作为编程软件,使用DE10-NANO作为编程后的硬件板子,设计一个基于DE10-NANO板的电梯控制系统,便于实现更多层电梯控制,有较强的灵活性。

摘要： 目的:比较两种国产雷帕霉素药物洗脱支架用于急诊经皮冠状动脉介入术(PCI)治疗心肌梗死患者的效果.方法:回顾性分析2017年1月至2019年1月该院收治的74例急性ST段抬高型心肌梗死患者的临床资料.所有患者行急诊PCI治疗,按照置入支架系统不同分为观察组和对照组,各37例.其中对照组Firebird2支架,观察组Nano无载体药物洗脱支架.比较两组手术前后的炎性因子水平以及术后1年的不良心血管事件发生率.结果:术后1 d,两组超敏C反应蛋白(hs-CRP)、白细胞介素-6(IL-6)水平比较,差异均无统计学意义(P>0.05);术后3个月,观察组hs-CRP、IL-6水平均明显低于对照组,差异有统计学意义(P<0.05);术后随访1年,观察组心血管不良事件发生率为2.70％,低于对照组的21.62％,差异有统计学意义(P<0.05).结论:相比于Firebird2支架,置入Nano无载体药物洗脱支架可以有效抑制急性ST段抬高型心肌梗死患者PCI术后炎性因子的释放,减少心血管不良事件的发生风险,改善预后.

摘要： 黑话:尖八人话:VICTOR METEOR X80胜利尖峰80黑话:纳命七人话:VICTOR SUPERNANO7/HYPERNANO X 7胜利HX7黑话:绿鬼红鬼蓝鬼人话:VICTOR THRUSTER K ONIGIRI胜利鬼斩绿色版/红色版/蓝色版黑话:小鬼斩人话:VICTOR THRUSTER K 30胜利TK30黑话:小钢炮那年小黑拍.

摘要： 设计了一种以Arduino Nano V3.0为控制核心的智能蓝牙音箱.该蓝牙音箱可以连接到手机,音乐可以通过蓝牙音箱外放出来,用户还可以操作蓝牙音箱对播放的音乐进行控制.

摘要： 最新设计的德国索菲纳NANO平面超精研磨机床涵盖了非常广泛的平面超精研磨领域的加工范围。燃油喷射领域、传动系统使用的工件、液压或发动机相关的工件,经过超精研磨,可将公差控制在0.1μm范围之内,具有最高的可靠性和生产效率。

摘要： 最便宜的汽车——印度TATA Nano这款四门微型车的售价仅为2000美元。载重量最大的汽车——利勃海尔T282B重达10.5吨,最大车速为64km/h,有363吨的载重量。

摘要： Engineered nanomaterials are used in many applications, including pollution sensors, photovoltaics, medical imaging, drug delivery and environmental remediation. Due to their numerous applications, silver nanoparticles (Ag NPs) are receiving a large amount of attention. Ag NPs may occur in drinking water sources either during manufacturing, consumption and/or disposal processes. This potentially leads to the presence of Ag NPs in finished drinking water, which could have public health impacts. The objective of this research was to investigate the removal of several types of stabilized Ag NPs by potable water treatment processes. Specifically, this research achieved these objectives through: 1) Synthesis of Citrate-reduced Ag NPs, Polyvinylpyrrolidone stabilized (PVP) Ag NPs and Branched polyethyleneimine stabilized (BPEI) Ag NPs, 2) Characterization of synthesized Ag NPs to determine their aggregation potential, Zeta potential profiles, (pHpzc) and obtain morphological data from SEM images, and 3) An evaluation of the efficacy of conventional water treatment processes (i.e., coagulation, flocculation, sedimentation and sand filtration) in removing stabilized Ag NPs from natural water. The three NPs were found to be stable at the nano size in natural water. Alum coagulation had no impact on the PVP and BPEI Ag NPs. Flocculation and settling were found to be key steps for removal of these NPs. The three Ag NPs were not permanently removed by means of conventional water treatment processes employed in this study.

摘要： Minbar, in Islam, the pulpit from which the sermon (khutbah) is delivered. In its simplest form, the minbar is a platform with three steps. Often it is constructed as a domed box at the top of a staircase and is reached through a doorway that can be closed. Soliman pasha Al-Khadim mosque in Salah El-Din citadel in Cairo is considered the first mosque with ottoman architectural style. This Minbar exposed to aggressive human intervention by mosque workers and archaeological crafts unity-ministry of antiquities in Egypt, to lose more of its historical and architectural values. Now this Minbar undergoes restoration process, they are removing all modern pigments and remains of last reconstruction in 2014 so we proposed some Nano particles and Nano composites for Preservation of it. The study started with the characteristics of the historic architectural elements of Mibars and their joining structural mortars in order to risk assessment and to define the necessary characteristics of the intervention retrofitting new materials, which will be used in the ongoing preservation work of these stucco architectural elements. To achieve such, several analyses and laboratory tests like ultra-sonic pulse method testing and uniaxial compression test were carried out to determine their basic, physical and mechanical properties, along with the microstructural properties determination using Mercury porosimeter. On the other hand, the morphological description, petrography, mineralogical and microstructural properties were determined using scanning electron microscope equipped by EDS, transmission electron microscopy TEM, polarizing light microscopy, XRD and XRF. The results proved the superiority of the samples that have been strengthened by nano lime concentration of 2% with Wacker OH 100 concentration in 5%.

摘要： 本发明公开了一种(LiNO3-KNO3-NaNO3-NaNO2)混合熔盐及制备方法。具有较大的热容，能够用作大规模的热量传递的介质，所有的组分价格低廉，熔盐的制备过程简单易行，熔盐具有很好的热稳定性，在长时间操作下能够有效的减少组分的挥发及对器壁的粘附，为一种十分优良的传热介质。

摘要： 本发明公开了一种(LiNO3－KNO3－NaNO3－NaNO2)混合熔盐及制备方法。具有较大的热容,能够用作大规模的热量传递的介质,所有的组分价格低廉,熔盐的制备过程简单易行,熔盐具有很好的热稳定性,在长时间操作下能够有效的减少组分的挥发及对器壁的粘附,为一种十分优良的传热介质。

摘要： 本发明公开了一种基于Jetson Nano的室内机器人自主建图导航系统及方法，包括机器人本体和控制机构，所述控制机构安装在机器人本体内部；所述控制机构包括控制模块、雷达模块、无线通信模块、显示模块和电源模块；所述控制模块包括底层控制开发板、上层处理器、双路直流减速电机驱动、惯性传感器和高精度霍尔编码器；所述雷达模块包括高精度激光雷达传感器；所述显示模块包括显示屏和可见光摄像头；所述无线通信模块包括无线网卡；所述电源模块包括锂电池和电源转接线；所述控制模块分别与雷达模块、无线通信模块、显示模块和电源模块相连接。本发明可实现小车雷达建图导航、自主避障、实时定位等功能。

摘要： 本发明涉及一种超高分辨率Nano‑LED发光显示阵列，包括采用多量子阱纳米点阵作为发光层，P接触电极通过图形化覆盖N（N≥1）个多量子阱纳米点阵；还涉及相应的制备方法，包括：依次在衬底上生长N‑GaN层、多量子阱层；采用选区离子注入法形成多量子阱点阵；继续生长P‑GaN层；使用另一种离子提高隔离区域P型GaN的电阻率，沉积导热层阵列；接着制作P接触电极阵列、N接触电极形成最后的超高分辨率Nano‑LED发光显示阵列。本发明简化了制备工艺流程，可以减少刻蚀工艺中可能会产生的边缘效应和尺寸效应，极大程度上实现器件发光单元之间的电学隔离。

摘要： 本发明公开了一种同时检测GPV、GoAstV和GPMV的Nano‑PCR检测方法，属于分子生物学技术领域。本发明公开的一种同时检测GPV、GoAstV和GPMV的Nano‑PCR检测方法，根据GPV、GoAstV和GPMV的保守基因序列设计了特异性引物，建立了一种能够同时检测三种病毒的特异性强、敏感性高的Nano‑PCR检测方法；对GPV、GoAstV和GPMV检测的敏感性是普通PCR的10到100倍，且对AIV、FAdV和TMUV均无扩增，具有较好的特异性，可用于GPV、GoAstV和GPMV的临床检测。

摘要： 本发明公开了一种利用Nano‑CaO

摘要： 本实用新型公开了一种14pin Nano SD高速传输卡座连接器，其包括固持件、埋设成型在所述固持件内的两排pin针端子，所述两排pin针端子对称分布且分别位于所述固持件的上半部区域和下半部区域，每排pin针端子包括间隔排列设置的七个pin针；每个所述pin针的中部向上隆起形成与通信卡片接触的接触点。本实用新型能够同时兼容SIM卡与Nano SD卡，并可实现高速传输，满足Nano SD2.0协议通信需求，大大的提高了手机卡座的通用性，更加满足市场需求，且尺寸小，厚度薄，满足超薄化和小型化设计需求。

摘要： 本实用新型公开了一种高低脚的Nano Sim卡卡座，包括安装机构和放置机构，所述安装机构包括第一壳体和第二壳体，所述第一壳体的表面设置有高低脚双弹片，所述第一壳体的尾端设置有第一侦测端子，所述第二壳体的尾端设置有第二侦测端子，所述放置机构包括放置卡座，所述第二壳体的表面设置有卡凸，所述放置卡座的侧面开设有卡槽。本实用新型通过第一侦测端子和第二侦测端子的配合设置，实现对Nano Sim卡的插入状态进行侦测，通过安装机构两侧卡凸和放置卡座两侧卡槽的配合设置，实现对放置卡座及Nano Sim卡的固定，通过高低脚双弹片的设置，增大了接触面积，传输更快，同时高低脚设计，即可以插入较厚的SIM卡，也可以插入较薄的SIM卡，实用性更高。

摘要： 本发明提出一种无侧壁损伤的nano‑LED阵列及其制作方法，通过图形化技术和电子束蒸发，在p型GaN层上制作纳米级的金属阵列,来激活其下方的p型GaN层，从而提高这些区域的载流子浓度，进而使nano‑LED正常发光。而没有金属覆盖的区域未被激活，载流子浓度很低，呈现高阻态，刚好可隔离nano‑LED器件，使每个nano‑LED可独立工作。本发明避免了通过刻蚀来隔离nano‑LED芯片所带来的侧壁损伤，增加了nano‑LED芯片的可利用面积，提高了nano‑LED的发光效率。这种通过选择性金属激活p型GaN来制作LED芯片的方法可拓展至nano尺寸，为实现超高分辨率的nano‑LED显示屏提供了一种有利途径。

摘要： 本实用新型涉及纳米抗菌管道技术领域，具体涉及是一种基于nano‑antibacterial的HDPE给水管，包括给水管管体，其中给水管管体由多根首尾相连的给水管管段组成，且相邻的给水管管段间通过连接结构进行连接，给水管管段从外至内包括管形层和纳米抗菌层，且纳米抗菌层涂覆在管形层内壁上，通过在管形层内壁涂覆包含纳米二氧化钛的纳米抗菌层使得其能够直接作用于管道内壁，使之能够直接抑制管道内的细菌繁殖，提高整体抗菌抑菌效果，解决了现有抗菌管道将纳米二氧化钛作为添加剂使用，并非直接作用于易发生细菌富集的管道内壁，使得抗菌效果不理想的问题。