Decrease in Ammonia Excretion by Boleophthalmus Boddaerti(Mudskipper) Exposed to Cyanide

ThetoleranceofthemudskipperBoleophthalmusboddaertitocyanideishigherthanthoseofotherfishes[1].Suchahightolerancetocyanidedoesnotinvoveareductionofmetabolicrateoranenhancedanaerobicmetabolism,oracyanide-insensitiverespiratorypathway.Instead,itisaresultofthepresenceofasurplusofcytochromeoxidaseandinduciblecyanide-detoxifyingmechanisms,tumingcyanideinthiocyanate,inthismudskipper[1].ThoughCN-isdetoxifiedtoSCN-,realizingbiomembranesaremorepermeabletoHCNthanCN-,wedecidedtoinvestigateiftheprotondi…     

The Intertidal Pulmonate, Onchidium Tumidium,Uses Different Strategies to Survive Short Term and Long Term Anoxia

Onchidiumtumidiumisaslug-likepulmonatecommonlyfoundinthebrackishmangroveswampsinSingapore.Itleadsanamphibiouslifeonthemudflatsintheintertidalzonewhereitisexposedonlyduringebbtideswhichlastsnomorethan12h.Druingthisperiod,itemergesfromitsburrow,andgrazesonthesurfacealgae.Asthetiderises,itburrowsanddisappearsintothemud.Hence,itisnaturallyexposedto6～12hofenvironmentalhypoxiaeveryday.Thisperiodofhypoxiacanalsobeextendedto24～48hduringcoolorrainydays,wherethepulmonateabstainsfromfeeding.SinceO.tu…     

How Does the Intertidal Sipunculid Phascolosoma Arcuatum Detoxify Hydrogen Sulphide in a Lack of Oxygen

Inmanymarinesediments,considerableconcentrationsofhydrogensulphidearefound[1].Hydrogensulphideistoxictoanimalsduetothestrongbutreversible-bindingtocytochromeaa3andtheconsequentinhibitionofaerobicmetabolism[2].However,itcannotexcludeanimalinthesemarinebiotopes.Severalinvertebrates,similartothemammalianliver,canoxidizesulphidetonon-toxicthiosulphateandsulphate[1].VolkelandGrieshaber[3]reportedthatthesipunculidSipunculusnudus,whichinhabitsarelativelysandysubstratum,oxidizessulphidetothiosulphate…     

基于B／S的网络编辑部系统的设计

介绍了基于B／S的网络编辑部系统的实现方法，完成了作者投稿、跟踪稿件状态、编辑部处理稿件、专家审稿、稿件发行等功能的网络在线管理，系统的开发及应用能极大地提高了编辑部的工作效率．     

域K上的无限可逆方阵群

定义了域K上的无限可逆方阵群及有关子群，讨论了它们的性质。在此基础上，考虑了无限群的表示问题。     

处处连续而无处可微函数集锦

综合介绍了处处连续而无处可微函数，并讨论了它的有关性质。