نتایج جستجو برای: braun blanquet
تعداد نتایج: 2225 فیلتر نتایج به سال:
Owing to its variable topographic features, Ethiopia is endowed with rich biological resources. However, nowadays, these vital resources, mainly forests, are declining alarmingly, largely, due agricultural expansion and energy consumption. This study was conducted at Gosh-Beret forest the objective of investigating status species. Fifty-one main plots, spaced a 100 m interval, were laid on nort...
November 25, 2009 Version 1.01 Date 2009-November-24 Title Data Analysis And Graphics data and functions Author John Maindonald and W. John Braun Maintainer W. John Braun Description various data sets used in examples and exercises in the book Maindonald, J.H. and Braun, W.J. (2003, 2007) “Data Analysis and Graphics Using R”. LazyLoad true LazyData true Depends R (>= 2.0.1)...
This theory implements priority queues via Braun trees. Insertion and deletion take logarithmic time and preserve the balanced nature of Braun trees.
In applied studies, identification and study of vegetation, for management and protection of natural ecosystems, are very important. This study was carried out in Vezg forest with an area of 308 hectares located in southeast of Yasouj city. The purpose of this study was to classify ecological species groups and survey their relation to soil physic-chemical properties and physiographic attribute...
Abstract Recently, pastoral ecosystem has been strongly studied by naturalists. However, phytoecological research must focus on species richness and enhance these ecosystems. The main objective of this is to prove that the Moroccan very rich in terms soil biodiversity plant formations. In such areas, some plants maintain physicochemical characteristics soil. field experiment was based Braun-Bla...
Kapadokya bölgesi kendine has jeolojik özellikleri nedeniyle dünya çap?nda çok iyi tan?nmaktad?r. Bilimsel aç?dan bölgenin özelliklerinin yan? s?ra biyoçe?itlili?inin de ortaya ç?kar?lmas? gereklidir. Bölgedeki a?açlar üzerinde ya?ayan karayosunlar?n?n fitososyolojisini içeren bu çal??ma ile hem bölgesindeki ülkemizdeki briyofit vejetasyonu çal??malar?na yeni bir katk? daha sa?lanm??t?r. Matery...
Pancreaticoduodenectomy (PD) holds high postoperative morbidity. How to resolve this issue is challenged. An additional anastomosis (Braun enteroenterostomy) following PD may decrease the postoperative morbidity, but holds conflicting results. The objective of this study is to investigate the advantages and disadvantages of Braun enteroenterostomy in PD.Clinical studies compared perioperative o...
Whether an additional Braun enteroenterostomy is necessary in reducing delayed gastric emptying (DGE) after pancreaticoduodenectomy (PD) has not yet been well investigated. Herein, in this retrospective study, 395 consecutive cases of patients undergoing classic PD from 2009 to 2013 were reviewed. Patients with and without Braun enteroenterostomy were compared in preoperative baseline character...
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