我国气体水合物研究进展

介绍了制冷剂气体水合物作为理想空调蓄冷介质的基础研究结果,并对天然气水合物的研究和前景做了一些阐述。     

基于OpenFlow的移动自由空间光网络的控制架构(英文)

Mobile free space optical networks have aroused much attention due to the ability of providing high speed connectivity over long distance using the wireless laser links,while requiring relatively high available bandwidth resource and less energy consumption.However,maintaining the network with laserlinks is quite challenging due to a number of issues,such as the link fragility,the difficulty in pointingand tracking of the link,which also raises the great difficulty in the control of the network.In this paper,we present the methodology for the deployment of the mobile freespace optical networks based on our proposed OpenFlow-based control architecture.In addition,a new routing scheme is proposed and demonstrated on the testbed based on this control architecture.Delivery ratio,average delivery delay and time complexity are given to verify the performance of the OpenFlow-based control architecture.     

混合气体水合物结晶生成过程及其反应速度的实验研究

对混合制冷剂气体水合物HCFC141b/HFC152a在不同外部条件下的结晶生成速度进行了实验研究，通过数据分析得到了水合物结晶生成速度和冷却介质温度，扰动速度，制冷剂比份的依变关系。     

网络革命拂晓:SDN进入智能宽带接入网

基于SDN的传送网技术已经在学术界和产业界得到广泛关注,然而接入网领域还没有相关研究,事实上,SDN技术应用在接入网对运营商和用户都意义重大。当前互联网流量的爆发式增长以及三网融合的不断推进,宽带接入网朝着全业务、高带宽、易运行维护的方向发展已成为不可逆的趋势,近年来,国内电信运营商不断加大光纤接入网的建设力度,据电信业权威资讯机构     

基于联合故障概率的频谱灵活光网络生存性业务认知算法

This paper addresses the problem of survivable traffic assignment with failure probability requirement in flexible bandwidth optical networks. We describe a Survivable Traffic Cognition (STC) algorithm with joint failure probability. Survivable Traffic Assign-ment (STA) algorithm and Conventional Traf-fic Assignment (CTA) algorithm are added to illustrate the effectiveness of our proposed STC. We investigate the effect of joint failure probability on blocking probability, spectral utilization ratio, average joint failure probabil-ity, and the average hops. Simulation results show that our proposed STC not only achieves better performance in terms of blocking probability and spectral utilization ratio than CTA and STA, but also does not cause higher average joint failure probability or larger average hops compared with STA. As a result, STC makes the best use of spectral resources and does not cause large average joint failure probability.     

Single fiber colorless symmetric WDM-PON architecture using time interleaved remodulation technique for mitigating Rayleigh backscattering resilience

A time interleaved differential phase shift keying (DPSK) remodulation technique is proposed to mitigate the effect of Rayleigh backscattering (RBS)-induced noise in a single fiber colorless wavelength-division-multiplexing passive optical network (WDM-PON). In order to achieve a cost effective optical network unit (ONU) solution without dedicated laser sources for upstream signals to provide optimum symmetric capacity in a colorless WDM-PON, remodulation becomes the core attraction. Also as the performance of colorless WDM-PON systems suffers from the transmission impairments due to RBS, it is mitigated by using this remodulation scheme. Simulation results show that downstream and upstream signals achieve the error-free performance at 10 Gbit/s with negligible penalty, and enhance the tolerance to RBS-induced noise over a 25 km single-mode fiber.     

皖南某金矿成矿机制浅析

皖南某金矿产于江南深断裂北侧一次级NE向断陷盆地中,处于江南深断裂和周王深断裂夹持部位。矿区地质特征具明显分区性,为多阶段地质作用演化形成。矿区矿种主要为硫铁矿和金矿,并伴生有少量银及多金属矿产,其中硫铁矿矿床为与早期花岗闪长岩侵入相关的中低温热液型矿床,矿体呈NE展布于黄龙组灰岩内部断裂带及其与泥盆系五通组之间的层间破碎带内,并为后期NW向构造错断;而金矿床与后期火山、次火山作用相关,为中高温火山热液型矿床,并有后期浅部氧化作用形成的风化壳型(铁帽型)出现。两类型矿床的形成受地层、构造、岩浆岩等共同控制,主要分布于区内主要NW向断裂与岩体交接部位,蚀变作用较为强烈。     

抚顺地区金成矿地质条件及找矿讨论

抚顺地区是华北地台北缘东段的金多金属成矿带的一部分,在该成矿带上发育着我国最古老的变质上壳岩(绿岩)的隆起区,也是我国金多金属矿床主要产地,通过工作相继发现红透山、南龙王庙、下大堡、线金厂、西庙岭、东韩家、下营子、棋盘山等一批金矿及伴生金矿。通过对抚顺地区地域成矿条件、金矿类型等综合信息分析,提出不同类型金矿找矿方向,为在该区寻找出大型——超大型金矿提供靶区。     

抚顺棋盘山金钼化探异常特征及找矿潜力

1:20万化探异常在棋盘山地区发现了规模较大的Au、Mo为主的化探异常,经1:5万水系沉积物加密和1/1万土壤地球化学测量工作,找到3处金矿化体。本区处在中生代东西向构造岩浆岩带与北西向断陷盆地的交汇部位,成矿地质条件十分有利,具有较大的找矿潜力。     

混合致冷剂水合物晶体生成和分解过程研究

为了深入了解水合物的生长动力学机制,通过对混合致冷剂HCFCl41b／HFC152a水合物晶体生成及分解过程的形态进行观测,从动力学和形态学方面验证了混合致冷剂水合物的性能互补特点．结果表明,混合致冷剂水合物与低压致冷剂HCFC141b水合物相比,其引导时间更短,生成速度更快．混合致冷剂。HCFC141b／HFC152a水合物可在10℃融化,克服了高压致冷剂HFC152a水合物相变温度高的缺点,证明了混合致冷剂水合物较单一致冷剂水合物更适合作为蓄冷空调的储冷介质。