New metabolites isolated from soft corals and sponges of the Red Sea are discussed. It is the aim of this report to describe several marine natural products which have recently been isolated and identified by us. The report will include metabolites of sponges and soft corals collected in the straits of the Gulf of Eilat and the Gulf of Suez, The Red Sea(Ref.1). Diterpenoids from Spongia arabica...

some chemical characteristics of root, shoot and litter of index species such as salsola rigida, artemisia sieberi and stipa barbata commonly used in rangeland development projects were evaluated and compared. chemical properties of soil under and between the above mentioned species were also studied. for this purpose, vegetation types of stipa barbata and artemisia sieberi - salsola rigida wer...

Objective speech intelligibility estimations undertaken in natural acoustics communications (NAS) scenarios require the utilization of a source that approximates acoustic characteristics human talker. Only limited number special sources conform to specifications relevant guidelines are available market; however, they can be deemed expensive by professional practitioners and other users. Non-spe...

Rust is the main disease affecting Coffea arabica, most economically important coffee species. The objective of this study was to analyze C. arabica cultivars with different levels rust resistance, including bean size, raw appearance, final sensory scores (FSS), and aroma taste nuances cup. experiment designed in randomized blocks (RBD) three replications 20 treatments (cultivars), totaling 60 ...