نتایج جستجو برای: discharge loads
تعداد نتایج: 142296 فیلتر نتایج به سال:
The Phosphorus Index (PI) has been the cornerstone for phosphorus (P)-based management and planning over the past twenty years, yet field-scale evaluation of many state PIs has been limited. In this study, P loads measured in surface runoff and tile discharge from 40 agricultural fields in Ohio with prevailing management practices were used to evaluate the Ohio PI. Annual P loads were highly va...
We investigate the ability of a homogeneous collection of deferrable energy loads to behave as a battery; that is, to absorb and release energy in a controllable fashion up to fixed and predetermined limits on volume, charge rate and discharge rate. We derive explicit bounds on the battery capacity that can be offered, and show that there is a fundamental trade-off between the abilities of coll...
Because eye muscles never cocontract and do not deal with external loads, one can write an equation that relates motoneuron firing rate to eye position and velocity a very uncommon situation in the CNS. The semicircular canals transduce head velocity in a linear manner by using a high background discharge rate, imparting linearity to the premotor circuits that generate eye movements. This has a...
The large penetration of intermittent resources, such as solar and wind generation, involves the use of storage systems in order to improve power system operation. Electric Vehicles (EVs) with gridable capability (V2G) can operate as a means for storing energy. This paper proposes an algorithm to be included in a SCADA (Supervisory Control and Data Acquisition) system, which performs an intelli...
Stormwater management for water quality control is a relatively recent technology. Initially urban stormwater was considered a water quantity problem solved by rapidly draining runoff into sewers, ditches or directly into lakes and rivers. By the mid-1970s studies showed over half the pollutant loads entering Florida waters came from non-point sources (stormwater) caused in part by paving, ditc...
Daily 24 hour composite influent wastewater samples were collected from the wastewater treatment plant of Brussels-North (Belgium) for eight months to study variations in the concentrations and mass loads of nine illicit drugs and metabolites: cocaine (COC) and its metabolites benzoylecgonine (BE) and ecgonine methyl ester (EME), amphetamine (AMP), methylenedioxymethamphetamine (MDMA), methamph...
Probabilistic design of structures is usually based on estimates of design loads with a large average return period. Design loads are often estimated using classical statistical methods. A shortcoming of this approach is that statistical uncertainties are not taken into account. In this paper, a method based on Bayesian statistics is presented. Using Bayes’ theorem, the prior distribution repre...
OBJECTIVES If the Chlamydia trachomatis (CT) bacterial load is higher in high-risk populations than in the general population, this negatively affects the efficacy of CT screening incentives. In the largest retrospective study to date, we investigated the CT load in specimens collected from 2 cohorts: (1) attendants of a sexually transmitted infection (STI)-clinic and (2) participants of the Du...
Achievement of management goals for Lake Champlain (Vermont/New York, USA and Quebec, Canada) will require reduction of agricultural phosphorus loads, the dominant nonpoint source in the Basin. Cost-effective phosphorus reduction strategies need reliable treatment techniques beyond basic cropland and waste management practices. The Lake Champlain Basin Agricultural Watersheds National Monitorin...
استفاده از سوخت هیدریدی در رآکتور به عنوان سوخت هسته ای، منجر به کاهش چشمگیر دمای سوخت و به تبع آن کاهش انتشار گازهای حاصل از شکافت که خود منجر به کاهش تورم ایجاد شده در سوخت در زمان کار آن می شود. در این تحقیق فاصله بین سوخت و غلاف بوسیله فلز مذاب پر شده و از برنامه mcnpx 2.6 به منظور محاسبه discharge burn-up استفاده گردید. دو نوع سوخت هسته ای اکسیدی و هیدریدی در دو نوع رآکتور با میله های سوخت...
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