hydrological drought analysis using sdi index in halilrud basin of iran abstract nowadays, drought is considered as damaging environmental phenomenon which affects natural resources and social communities. therefore it will be an important issues that magnitude and effects of these phenomena to be considered. to do this we used l-moment method for regional homogeneity testing. the streamflow dr...

selective dissemination of information (sdi) is important in quick and update availability to information. sdi has also critical role in producing of knowledge. in this article has been explained one of the new information technology about sdi. at this survey has been explained about rss, rss feeds. rss readers (news aggregators), and also about install of feed reader (one of the rss readers). ...

BACKGROUND Many patients with electrical dyssynchrony who undergo cardiac resynchronization therapy (CRT) do not obtain substantial benefit. Assessing mechanical dyssynchrony may improve patient selection. Results from studies using echocardiographic imaging to measure dyssynchrony have ultimately proved disappointing. We sought to evaluate cardiac motion in patients with heart failure and elec...

The advantages and disadvantages of subsurface drip irrigation (SDI) as compared to alternative irrigation systems are conceptually discussed. Each category (advantages and disadvantages) is subdivided into three groups: 1) Water and soil issues; 2) Cropping and cultural practices, and 3) System infrastructure issues. The adaptation and adoption of SDI systems into diverse cropping systems, geo...

Segmental dilatation of ileum (SDI) is a rare clinical entity and so is anterior thoracic meningomyelocele (AMC). There has been no reported association between these two clinical entities. We hereby report a very rare presentation of these two in a 4 year old boy who presented with swelling in the right lower abdomen. Preoperative diagnoses were partial cecal volvulus and duplication cyst. At ...