setting strength
2.By means of comparative experiments, this paper illustrates the influences of different cements, admixtures of flash-setting agents, water cement ratios, curing temperatures and raw materials on the performances of sprayed concrete, such as the setting time, strength and shrinkage ratio, on different conditions of efflorescence and hydration, so as to present references with regularity for the practical application of sprayed concrete.
3.The Condorce Pradox would be dissolved by setting "the worth of hobby strength"; In most principles of rational choice, Berda Count would be no circulation because of the order of sequence different, but in circumstances where the Berda Count Worth approximates very much, it could also be dissolved by setting the hobby strength worth.
5.Methods: Methotrexate(MTX),epirubicin(EPI),hydroxy camptothecin(OH-CPT),and arsenic trioxide(As_2O_3) were incorporated,each in a proportion of 2%,5%,and 8%,into the powder-phase CPC. Untreated CPC was taken as control. The setting time,compression strength,and the microstructure of the resultant products were evaluated and tested.
7.During trial operation of units in Longgang power plant the setting for all relief valves were carried out with special setting tool in assistance of Harbin Boiler Works. The setting accuracy has completely met with the requirements in ASME standard and the labor strength has been greatly reduced with ideal results.
9.The properties and influence factors of dolomite limestone-water glass grout were studied. Results show that its cohesion is low and flowability and stability are good, setting time can be controlled from 5 hours to 20 hours,calculus strength and mortar strength can reach 1-3 MPa, and the primary influence factors include liquid/solid ratio or the Baume degrees of water glass, curing temperature and humidity, size of limestone grains and different technique process.
