background: ectopic pregnancy is one of the main problems in women in reproductive age that needs special attention and appropriate strategy should be managed. in some cases expectant management seems good strategy without any medicine or surgery and their possible side effects. but are the outcomes always the same? which outcomes should we expect? case: we have reported 2 patients whose ectopi...

background: recent studies have showed conservative management in selective patients with borderline and malignant ovarian tumors is safe; therefore this management is considered in patients with ovarian tumor who desire to preserve fertility. objective: this study has been performed to evaluate the clinical outcome and fertility in patients with ovarian tumors who were treated conservatively. ...

Restoration of the Chesapeake Bay, the largest estuary in the United States, is a national priority. Documentation of progress of this restoration effort is needed. A study was conducted to examine water quality in the Choptank River estuary, a tributary of the Chesapeake Bay that since 1998 has been classified as impaired waters under the Federal Clean Water Act. Multiple water quality paramet...

the main purpose followed in this study was to identify and analyze the ways of coping up with drought in rural regions of zanjan province. the research method of the study was an analytical- explanatory one. the statistical population of the study consisted of experts of jihad- e- agriculture organization of zanjan province (n= 316). according to krejcie and morgan table, 175 individuals were ...

Soil conservation is threatened by a number of factors, namely the effects of intensive agricultural practices, the increasing pressure for food production linked to the increasing human population, the consumption patterns in developed and emerging economies, and the conversion of agriculture from the production of commodities (which is itself a goal in need of discussion) to the production of...

Drought is part of natural climate variability and ranks the first natural disaster in the world. Drought forecasting plays an important role in mitigating impacts on agriculture and water resources. In this study, a drought forecast model based on the random forest method is proposed to predict the time series of monthly standardized precipitation index SPI . We demonstrate model application b...

This study estimates long-run impacts of a child health investment, exploiting community-wide experimental variation in school-based deworming. The program increased labor supply among men and education among women, with accompanying shifts in labor market specialization. Ten years after deworming treatment, men who were eligible as boys stay enrolled for more years of primary school, work 17% ...

As Wireless Sensor Networks are being adopted by industry and agriculture for large-scale and unattended deployments, the need for reliable and energy-conservative protocols become critical. Physical and Link layer efforts for energy conservation are not mostly considered by routing protocols that put their efforts on maintaining reliability and throughput. Gradient-based routing protocols rout...

Overintensification and subsidies have long made American commodity farmers the enemy of conservationists. Yet, environmental conditions are improving in the Mississippi Delta where farmer-based groups, water management districts and conservation organizations have improved environmental quality and redefined the role of agriculture in environmental preservation. This work is all the more remar...