نتایج جستجو برای: viscosity enhancing admixture
تعداد نتایج: 138878 فیلتر نتایج به سال:
Cement substitution in self compacting concrete (SCC) is emphasized to conserve environment, reduce cost and utilize waste materials. This paper focuses on comparing the permeability and drying shrinkage of SCC containing Wollastonite micro fiber (WMF), a cheap pozzolanic fiber with respect to flyash. Microsilica was added for providing required viscosity to maintain homogeneity of the mixes. T...
Abstract The paper focuses on the recycling of end-of-life tires (ELTs) by admixing ELT recyclates to rubber compounds. It deals with physical and chemical interactions resulting from admixture finely ground powder a sulfur-cured compound. Using exemplary recipes, effects viscosity increase, accelerated crosslinking stiffness decrease are quantified underlying reasons explained.
The demand for more sustainable building materials has led to the development of systems with self-repairing properties. self-healing technology been shown be effective in concrete and mortars, however, this is not often studied grouts. Cementitious can show an autogenous healing, i.e., intrinsic ability repair microcracks by themselves. This type healing improved addition crystalline admixture...
The gray wolf (Canis lupus) is a widely distributed top predator and ancestor of the domestic dog. To address questions about wolf relationships to each other and dogs, we assembled and analyzed a data set of 34 canine genomes. The divergence between New and Old World wolves is the earliest branching event and is followed by the divergence of Old World wolves and dogs, confirming that the dog w...
in this project, the quantitative and qualitative characteristics of malt obtained from barley, (var. sahra), wheat (var tajan) and triticale, and their admixtured malts were investigated in a completely randomized design with eight treatments to determine the optimal treatment using diastatic power, hot water extract and production of suitable raw materials for the malt beverage and bakery ind...
Development of Self-Consolidating Concrete for Bridge Girders and Evaluation of Its Fresh Properties
Self-consolidating concrete (SCC) has been developed for use in precast prestressed concrete bridge girders in the state of Minnesota. Locally available materials were used with a number of cementitious and filler materials, including ASTM Type III cement, Class C fly ash, and blast furnace slag. SCC was successfully proportioned with both natural river gravels and crushed stone as coarse aggre...
We read with interest the article by Jacob and colleagues [1] on the regulation of microcirculatory blood flow. In our opinion, the authors missed an important parameter, i.e., blood components and, particularly, red blood cells (RBC). This is regrettable since blood composition is the main parameter that we can influence by our therapies (fluid resuscitation, blood or albumin transfusion) in s...
We tested the hypothesis that solvent viscosity affects translocation of rhodamine phalloidin-labeled F-actin by rabbit skeletal heavy meromyosin (HMM). When viscosity was increased using either glycerol, fructose, sucrose, or dextran (1.5, 6.0, or 15-20 kDa mol mass), there was little or no effect on the fraction of moving filaments, whereas sliding speed decreased in inverse proportion to vis...
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