The year of 2017 saw an obvious improvement in the sector of China’s textile machinery industry and an increase of the main business income and gross profit.Besides,foreign trade in textile machinery products grew in...The year of 2017 saw an obvious improvement in the sector of China’s textile machinery industry and an increase of the main business income and gross profit.Besides,foreign trade in textile machinery products grew in number.展开更多
0004823初论非接触 IC 卡技术[刊]/杨肇敏//计算机工程与应用.—1999,35(12).—44～47(K)0004824TX-980税票打印机的使用和维护[刊]/杨励红//电子计算机与外部设备.—1999,23(11).—64～65(A)0004825热转印色带的研制[刊]/龚滨良//电子...0004823初论非接触 IC 卡技术[刊]/杨肇敏//计算机工程与应用.—1999,35(12).—44～47(K)0004824TX-980税票打印机的使用和维护[刊]/杨励红//电子计算机与外部设备.—1999,23(11).—64～65(A)0004825热转印色带的研制[刊]/龚滨良//电子计算机与外部设备.—1999,23(11).—39～43,7(A)0004826LQ-160K 打印机打印机械总体设计[刊]/朱立云//电子计算机与外部设备.—1999,23(11).—8～12(A)本文描述了 LQ-160K 针式串行打印机械的总体设备和计算,以及与电路接口的选择考虑。展开更多
Three-dimensional(3 D)printing has had a large impact on various fields,with fused deposition modeling(FDM)being the most versatile and cost-effective 3 D printing technology.However,FDM often requires sacrificial sup...Three-dimensional(3 D)printing has had a large impact on various fields,with fused deposition modeling(FDM)being the most versatile and cost-effective 3 D printing technology.However,FDM often requires sacrificial support structures,which significantly complicates the processing and increases the cost.Furthermore,poor layer-to-layer adhesion greatly affects the mechanical stability of 3D-printed objects.Here,we present a new Print-Healing strategy to address the aforementioned challenges.A polymer ink(Cu-DOU-CPU)with synergetic triple dynamic bonds was developed to have excellent printability and room-temperature self-healing ability.Objects with various shapes were printed using a simple compact 3D printer,and readily assembled into large sophisticated architectures via self-healing.Triple dynamic bonds induce strong binding between layers.Additionally,damaged printed objects can spontaneously heal,which significantly elongates their service life.This work paves a simple and powerful way to solve the key bottlenecks in FDM 3D printing,and will have diverse applications.展开更多
文摘The year of 2017 saw an obvious improvement in the sector of China’s textile machinery industry and an increase of the main business income and gross profit.Besides,foreign trade in textile machinery products grew in number.
基金supported by the National Natural Science Foundation of China(21991123,52073049 and 51703148)the Natural Science Foundation of Shanghai(20ZR1402500 and18ZR1401900)+4 种基金the Belt&Road Young Scientist Exchanges Project of Science and Technology Commission Foundation of Shanghai(20520741000)Shanghai Belt and Road Joint Laboratory of Advanced Fiber and Low-dimension Materials(Donghua University(DHU),18520750400)the Fundamental Research Funds for the Central UniversitiesDHU Distinguished Young Professor Program(LZA2019001)the Open Research Fund of Shanghai Center for High-performance Fibers and Composites and the Center for Civil Aviation Composites of Donghua University。
文摘Three-dimensional(3 D)printing has had a large impact on various fields,with fused deposition modeling(FDM)being the most versatile and cost-effective 3 D printing technology.However,FDM often requires sacrificial support structures,which significantly complicates the processing and increases the cost.Furthermore,poor layer-to-layer adhesion greatly affects the mechanical stability of 3D-printed objects.Here,we present a new Print-Healing strategy to address the aforementioned challenges.A polymer ink(Cu-DOU-CPU)with synergetic triple dynamic bonds was developed to have excellent printability and room-temperature self-healing ability.Objects with various shapes were printed using a simple compact 3D printer,and readily assembled into large sophisticated architectures via self-healing.Triple dynamic bonds induce strong binding between layers.Additionally,damaged printed objects can spontaneously heal,which significantly elongates their service life.This work paves a simple and powerful way to solve the key bottlenecks in FDM 3D printing,and will have diverse applications.
