将新农村建设融入城市生态廊道规划的探索——以湖州市为例

基于新城生态廊道建设过程中占用耕地的背景,在阐述生态廊道和新农村建设相关理念的基础上,结合湖州东部新区西山景区生态廊道构建实例,重点论述了生态廊道内可持续农业产业发展问题、农村保留战略以及农民生活和就业安排问题,构建了以生态廊道为依托的＂三农＂新形象,极大地保护了耕地,促进了城乡生态系统结构优化与空间统筹。     

新一代交通仿真技术综述

简要回顾了国内外交通仿真技术的发展历程,总结了新世纪以来新一代交通仿真技术的主要特点。然后,比较分析了当前主流交通仿真模型的特性,并对交通仿真应用程序接口、硬件在环和软件在环交通仿真、在线交通仿真等面向智能交通系统应用的高级仿真技术进行了深入解析。最后,根据我国交通仿真研究和应用的现状,在符合我国交通特性的基础仿真模型研究、交通仿真系统的开发模式、在线仿真技术的开发方法等方面提出了改进建议。

Abstract：

The historical course of traffic simulation in China and abroad was briefly reviewed firstly,and some major features of the new generation traffic simulation technology since 21st century were summarized then. Afterwards,the simulation model characteristics of some prevailing traffic simulation models were comparably analyzed,and several advanced traffic simulation techniques for ITS applications were expatiated,including traffic simulation API,hardware-in-the-loop traffic simulation,software-in-the-loop traffic simulation,online traffic simulation. Finally,based on the state-of-the-practice of traffic simulation in China,some suggestions were given on fundamental simulation modeling fitting for Chinese traffic characteristics,development modes of traffic simulation system,development methodologies of online traffic simulation,etc.     

探析新产品开发中影响因素的作用大小——论技术创新度的调节作用

从企业内部可控因素出发,具体从企业管理层行为、跨部门协同行为以及各部门具体操作行为等三个层次探讨高级管理层支持、跨部门目标一致性以及各部门早期参与对新产品开发的积极作用。并分析在不同技术创新程度对这三大积极因素作用效果的影响。结果表明,在创新程度高的情况下,高级管理层支持对新产品开发的促进作用减弱,跨部门目标一致性和各部门早期参与对其的积极作用增强。本文在此基础上提出6个命题,构建了概念模型。     

中国七叶树2种新瘿螨和1种新纪录(蜱螨亚纲,瘿螨总科)

描述中国七叶树Aesculus chinensis 2种新瘿螨和1中国新纪录种,即七叶树谢氏瘿螨,新种Shevtchenkella aesculichina sp.nov.,七叶树大嘴瘿螨,新种Rhyncaphytoptus aesculus sp.nov.和加利福尼亚七叶树谢氏瘿螨Shevtchenkella aes...     

贵州省地萼苔科植物初步研究

根据文献记载以及对采自贵州省各县市地萼苔科Geocalycaceae植物标本(300余份)的鉴定,经统计贵州省地萼苔科植物现有18种l变种,其中中华裂萼苔Chiloscyphus sinensis、爽气裂萼苔C.fragrans为贵州新记录.根据各个种的形态特征,编制了该科的分种检索表,并对新记录种的主要形态特征进行了...     

《2020年国际贸易术语解释通则》的新变化及应用解析

贸易术语是进出口商品价格的重要组成部分,不同的贸易术语下买卖双方承担的责任、义务以及风险大相径庭,《国际贸易术语解释通则》是世界上影响力最大的解释贸易术语的国际惯例,最新版本《2020年国际贸易术语解释通则》于2020年1月1日正式实施,将给世界商品进出口贸易带来重大影响.与2010年版本相比,2020年版本对贸易术语...     

竞争环境下新能源汽车嵌入技术服务的定价策略

构建上游技术服务商和下游新能源制造商合作创新的两级供应链,考虑两个制造商的竞争关系和权力结构,研究不同竞争模式对产品定价、产品利润的影响,为技术服务商和新能源汽车制造商的决策提供参考。结果显示,技术服务商在同等条件下会提供技术给具有竞争关系的制造商以优化利润;制造商之间的权力结构会影响技术服务商的利润,并且在“权力对等”竞争模式(FLC)下的利润最大。从制造商角度,竞争强度和技术产出贡献度均会影响产品价格。在技术产出贡献度较小的情形下,垄断模式(M)下的产品定价最高,“制造商1领导”竞争模式(SLC)和“制造商2领导”竞争模式(TLC)下的定价较高,FLC模式下的定价最低;反之亦然。算例分析进一步指出,当技术产出贡献度较小时,M模式下的产品利润大于竞争模式(C)下的产品利润;反之亦然。此外,制造商之间的权力结构会影响C模式下的产品利润,因此,制造商在C模式的占优策略是通过FLC模式实施定价或在SLC和TLC模式下取得定价领导权。     

New data on sponges from Svalbard Archipelago with a description of a new species of Halicnemia

Sponge fauna from the west and south of Svalbard archipelago was studied. A total of 28 species of sponges were identified. Five of them are new records to the study area and one is new to science. New records for Spitsbergen are: Axinella hispida (Koltun 1959), Haliclona rossica (Hentschel 1929), Myxilla (Myxilla) perspinosa (Lundbeck 1905), Sphaerotylus borealis (Swartschewsky 1906) and Suberites carnosus (Johnston 1842). A new species of sponge, Halicnemia wagini sp. nov., collected south-west of Spitsbergen on the continental slope at a depth of 423–425 m, is described. It is similar to Halicnemia patera (Bowerbank 1864) and H. verticillata (Bowerbank 1866) in skeleton architecture, but significantly differs in its spicule complement and external appearance. Primarily, distinct differences concern the morphology of microscleres. In comparison with Halicnemia patera, the new species has an additional category of acanthose microscleres presented by microstrongyles, while microscleres of H. verticillata are only slightly curved and also verticillately spined. The study area, west of Spitsbergen, establishes close relationships with North Atlantic due to warm Atlantic waters of the West Spitsbergen Current. Proximity of the new species to the North Atlantic representatives of Halicnemia genus allowed us to suggest that H. wagini sp. nov., both ecologically and morphologically, has stood apart as a distinct biological species in the conditions of the Arctic.

http://www.zoobank.org/lsid:zoobank.org:pub:2A09537B-63D7-4F07-A2AB-9C707A686333     

A taxonomic review of the genus Exochus Gravenhorst (Hymenoptera: Ichneumonidae: Metopiinae) from South Korea with descriptions of ten new species

The South Korean species of the genus Exochus are revised. Ten new species, Exochus acostulatus Lee & Choi, sp. nov., Exochus adentatus Lee & Choi, sp. nov., Exochus areolaris Lee & Choi, sp. nov., Exochus carinalis Lee & Choi, sp. nov., Exochus dentisternum Lee & Choi, sp. nov., Exochus depressus Lee & Choi, sp. nov., Exochus nigritulus Lee & Choi sp. nov., Exochus occipitalis Lee & Choi, sp. nov., Exochus orbitalis Lee & Choi, sp. nov. and Exochus propodealis Lee & Choi, sp. nov., are described. Also, 21 species of this genus are reviewed and newly recorded from South Korea, with diagnoses provided. A key to the South Korean species of Exochus and illustrations of external characters are provided.

http://zoobank.org/urn:lsid:zoobank.org:pub:B28700A7-9CA7-4AE7-9816-9C8F4CD46160