Results 91 to 100 of about 105,637 (204)
Tubing specifications selection and its effect on the results of hydraulic fracturing treatment in oil formations [PDF]
Equipment specification, data collection and design process are critical factors for any hydraulic fracturing treatment success. This paper investigates tubing specifications selection and its effect on the results of hydraulic fracturing treatment ...
Abuhatira, A. +2 more
core
UK Rules For Unfired Pressure Vessels [PDF]
, 2008 The present code PD 5500, formerly BS 5500 [1] evolved partly from the well-known BS 1500 [2] in the 1950's and BS 1515 [3] first published in 1965; the latter permitted higher level allowable stresses and more advanced rules. In 1969, following a report
Nash, David H.
core
, 2005 We derive lower limits on the inefficiency and classical communication costs of dilution between two-term bipartite pure states that are partially entangled.
Fortescue, Ben, Lo, Hoi-Kwong
core +1 more source
Quiet Clean Short-haul Experimental Engine (QCSEE) main reduction gears detailed design report [PDF]
Lightweight turbine engines with geared slower speed fans are considered. The design of two similar but different gear ratio, minimum weight, epicyclic star configuration main reduction gears for the under the wing (UTW) and over the wing (OTW) engines ...
Defeo, A., Kulina, M.
core +1 more source
Electrochemical carbon dioxide concentrator advanced technology tasks [PDF]
Technology advancement studies are reported on the basic electrochemical CO2 removal process to provide a basis for the design of the next generation cell, module and subsystem hardware. An Advanced Electrochemical Depolarized Concentrator Module (AEDCM)
Hallick, T. M. +3 more
core +1 more source
Analysis of thermoelectric properties of high-temperature complex alloys of nickel-base, iron-base and cobalt-base groups [PDF]
The thermoelectric properties alloys of the nickel-base, iron-base, and cobalt-base groups containing from 1% to 25% 106 chromium were compared and correlated with the following material characteristics: atomic percent of the principle alloy constituent;
Holanda, R.
core +1 more source
Mineola Union Free School District and Mineola Teachers Association [PDF]
, 2016 In the matter of the fact-finding between the Mineola Union Free School District, employer, and the Mineola Teachers Association, union. PERB case no. M2015-114. Before: Rosemary A.
Townley, Rosemary A, Esq.
core +1 more source
Skylab atmospheric contamination control [PDF]
The Skylab contamination removal systems, preflight analysis and testing, and flight results are described. Results indicate that the combination of materials selection, the onboard removal devices, and the offgassing tests proved to be an effective ...
Ray, C. D.
core +1 more source
Concentration of cadmium, lead, zinc and copper in the cucumber and tomatoe in Northern Iran
مجله دانشگاه علوم پزشکی گرگان, 2015 Background and Objective: Nowadays the food contamination is increased and threating human health. This study was done to determine the concentration of cadmium, lead, zinc and copper in tomatoes and cucumber in Northern Iran.
Zafarzadeh A, Rahimzadeh H
doaj
سلامت و محیط, 2018 Background and Objective: Heavy metals as a main group of aquatic pollutants cause poisoning and concern in fish consumption. The aim of the present study was to assess cadmium (Cd) and lead (Pb) concentration in liver and muscle of rainbow trout ...
H Tahsini, M Ahmadpour, MH Sinkakarimi
doaj