Erratum for “New Adjustment of North American Datum and Surveyor”
نویسندگان
چکیده
منابع مشابه
The North American Datum of 1983
T he North American Datum comprises a network of more than 250,000 control points (survey monuments) covering the US, Canada, Mexico, Central America, Greenland, and the Caribbean islands. This network provides a means of accomplishing very accurate horizontal positioning, both on land and offshore. The last major adjustment of this system of control points resulted in the geodetic reference sy...
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a novel and ultra low cost isfet electrode and measurement system was designed for isfet application and detection of hydronium, hydrazinium and potassium ions. also, a measuring setup containing appropriate circuits, suitable analyzer (advantech board), de noise reduction elements, cooling system and pc was used for controlling the isfet electrode and various characteristic measurements. the t...
preparation and characterization of new co-fe and fe-mn nano catalysts using resol phenolic resin and response surface methodology study for fischer-tropsch synthesis
کاتالیزورهای co-fe-resol/sio2و fe-mn-resol/sio2 با استفاده از روش ساده و ارزان قیمت همرسوبی تهیه شدند. از رزین پلیمری resol در فرآیند تهیه کاتالیزور استفاده شد.
The North American survey of placement and adjustment strategies for deep brain stimulation.
BACKGROUND Deep brain stimulation (DBS) is gaining wide acceptance as treatment for Parkinson's disease (PD), essential tremor, and dystonia. METHODS A 40-item questionnaire commissioned by the DBS Study Group was sent to 46 centers that had performed at least 25 DBS implantations. These centers were identified through the DBS Study Group, other professional societies, and with the assistance...
متن کاملRisk Factors for Leukoaraiosis in North American and Iranian Stroke Patients
Background: Leukoaraiosis (LA) or white matter thinning and rarefaction are common in stroke patients. This pilot double-center study was designed to evaluate LA risk factors in stroke patients. Methods: This cross sectional study was conducted on 100 consecutive stroke patients in Walter Mackenzie Hospital, Canada and 100 consecutive stroke patients in Valie-Asr Hospital, Iran in 2004. Diagnos...
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ژورنال
عنوان ژورنال: Journal of the Surveying and Mapping Division
سال: 1976
ISSN: 0569-8073,2690-3407
DOI: 10.1061/jsueax.0000488