a growing body of research has indicated that students of esl/efl are reticent and unwilling to be engaged in oral activities in english lessons. communicative language ability includes speaking ability, so vocabulary knowledge plays an integral role in speaking a language. however, there have been few studies examining the degree to which vocabulary knowledge affects speaking ability. the pres...

this experiment was carried out at the college of agriculture university of salahaddin erbil. to study the effect of water supplementation with propolis on local quail performance, some physiological and immunological characteristics at 42 days old. a total of one thousand fifty (1050) hatched local quail eggs that obtained from the project of al-rashedia for agriculture researches center in mo...

Human parainfluenza virus type 3 (HPIV3) is a major cause of disease in newborns and infants. It also has a striking potential to reinfect individuals throughout their lives, suggesting that HPIV3 does not induce lifelong immunity; however, the operative mechanism for the failure to prevent reinfection is not known. We have assessed the potential of the virus to infect nontransformed human T ly...

Mathis Wackernagel and William Rees describe the ‘ecological footprint’ (i.e. the ecological capacity, measured in hectares of biologically productive land, needed to supply a given person’s consumption of natural resources and absorb their waste) as a conception of environmental sustainability, and have accumulated significant data to measure the footprints of nations, cities and even individu...

Investments in Generating Capacities between a monopolist and two competing firms are compared where the firms invest in their capacity and fix the retail price while electricity demand is uncertain. A unit price auction determines the wholesale electricity price when the firms compete. They know the level of demand when they bid their capacities. Total capacities can be larger or smaller with ...

We suggest that the optimal approach to building capacity in global mental health care will require partnerships between professional resources in high-income countries and promising health-related institutions in low- and middle-income countries. The result of these partnerships will be sustainable academic relationships that can educate a new generation of in-country primary care physicians a...