电子废物处置的主体责任

为了有效解决电子废物处置难题,需合理地划分主体之间的责任。在电子废物处置体系中,"主体的责任划分"直接关系到电子产品厂商、销售商以及消费者的利益。应在坚持"利益分配"理论和"产品受益者与义务承担者一致"原则的前提下,采用细分各主体之间责任的方法加以解决。在电子废物处置过程中,生产者具有预防责任、网点建设责任,消费者须承担绿色消费、积极选购环境友好产品的责任,政府有政策上鼓励支持回收处理企业的义务和制订相关法规标准与监管的责任。     

Insulin and its possible role in the artificial hibernation

Riassunto Gli autori hanno studiato la possibilità di facilitare l'ipotermia degli omeotermi mediante l'insulina. Hanno osservato che gli animali ibernati in ipoglicemia insulinica non presentano mai chok post-perfrigerazione, che il risveglio è sempre molto rapido e che l'ibernazione ha un decorso molto più soddisfacente dei controlli non trattati con insulina.     

The worldwide leaf economics spectrum

Bringing together leaf trait data spanning 2,548 species and 175 sites we describe, for the first time at global scale, a universal spectrum of leaf economics consisting of key chemical, structural and physiological properties. The spectrum runs from quick to slow return on investments of nutrients and dry mass in leaves, and operates largely independently of growth form, plant functional type or biome. Categories along the spectrum would, in general, describe leaf economic variation at the global scale better than plant functional types, because functional types overlap substantially in their leaf traits. Overall, modulation of leaf traits and trait relationships by climate is surprisingly modest, although some striking and significant patterns can be seen. Reliable quantification of the leaf economics spectrum and its interaction with climate will prove valuable for modelling nutrient fluxes and vegetation boundaries under changing land-use and climate.     

信息管理与信息资源管理及知识管理的关系

分别对IM(信息管理)、IRM(信息资源管理)、KM(知识管理)的概念及内涵进行了阐述，比较了三者的联系与区别，进而就三者的关系进行了探讨。     

三原西郊水库抽水试验及降水模型研究

根据三原西郊水库水文地质和工程地质情况,确定了现场单井抽水试验的抽水量测设备,设计了抽水井与观测井的布置、井的结构和成井工艺,确定了抽水试验要求,建立了降水数学模型并确定了水文地质参数。     

n-余倾斜对的一个刻画

设A为Artin代数,称一对有限生成左A-模(C,T)为倾斜对,如果C和T都是自正交模,并且有T∈addAC及C∈addAT.证明了(C,T)是n-余倾斜对当且仅当CopresnT(C)=⊥C∩ T,其中T为自正交模,T∈Presn(CopresnT(C)).     

Complete photo-fragmentation of the deuterium molecule

All properties of molecules--from binding and excitation energies to their geometry--are determined by the highly correlated initial-state wavefunction of the electrons and nuclei. Details of these correlations can be revealed by studying the break-up of these systems into their constituents. The fragmentation might be initiated by the absorption of a single photon, by collision with a charged particle or by exposure to a strong laser pulse: if the interaction causing the excitation is sufficiently understood, the fragmentation process can then be used as a tool to investigate the bound initial state. The interaction and resulting fragment motions therefore pose formidable challenges to quantum theory. Here we report the coincident measurement of the momenta of both nuclei and both electrons from the single-photon-induced fragmentation of the deuterium molecule. The results reveal that the correlated motion of the electrons is strongly dependent on the inter-nuclear separation in the molecular ground state at the instant of photon absorption.