influence of mixing technology on fresh

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INFLUENCE OF MIXING TECHNOLOGY ON FRESH CONCRETE ...

influence of mixing technology on the fresh concrete properties of HPFRCC was investigated. Therefore, the effect of mixing period, intensity and order, including breaks was observed in order to find out how these parameters affect in general the fresh HPFRCC.

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Influence of mixing procedure and mixer type on fresh and ...

Mixing concrete is not yet a fully understood issue, with many parameters having an influence on the resulting fresh and hardened concrete properties.

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Influence of Mixing Technology and the Potential to Modify ...

Feb 10, 2014  Influence of Mixing Technology and the Potential to Modify the Morphological Properties of Materials used in the Manufacture of Lithium‐Ion Batteries. ... This research is focused on the mixing behavior of an active material with carbon black and the structural modification during the slurry manufacturing process. Volume 2, Issue 2.

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Influence of mixer type and mixing time on the ...

Abstract. This work aims to analyze the use of different mortar mixers and different mixing times, evaluating the influence that the preparation phase has on the multipurpose mortar’s properties in the fresh and hardened states. The tests performed in the fresh state were: consistency index, mass density and air entrainment.

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The influence of the mixing procedures on the optimization ...

Dec 24, 2008  This paper analyses the variations of some fresh grout properties that may affect injectability and stability—water retention, rheological behaviour and bleeding. The study has sought to increase the understanding of the influence of the mixing procedure in grout behaviour and how it may improve some essential injection characteristics.

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Influence of mixing techniques on properties of high ...

influence of paste content on HPC properties, binder content is varied to determine the optimal dosage of SP [15–18]. To understand the influence of mixing technique on the HPC properties, the mixing sequence is changed to measure the relative loss in workability for each mixture whose hardened properties were studied. 4. Experimental procedure

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Advances in Mixing Technology: Recent Advances in Mixing ...

Advances in Mixing Technology: Recent Advances in Mixing Research and Development. Mixing has been one of essential unit operations for chemical engineering processes. Among a number of mixers, stirred tanks that are available in a wide variety of tank sizes and impeller shapes are the most frequently adopted to homogenize different substances ...

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Pasta production, mixing and extrusion - Italian Food Tech

Feb 01, 2013  Dough mixing: flour (usually durum wheat semolina) is mixed with water, which is absorbed by flour components, in particular starch and gluten proteins. Most mixers (kneaders) operate under vacuum to limit oxygen presence and its oxidative effects on dough lipid fraction, and to limit the englobation of small bubbles into the dough, detrimental ...

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Fashion designers' decision-making process: The influence ...

influence on the creative design process and creativity. Second, all fashion designers who participated in this study described the important influence of the fashion system in South Korea, (i.e., the consignment system) to become a successful designer domestically and internationally.

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Development of the most efficient mixing process

The rotor speed itself likewise shows a significant influence on the mixing result, as might also be expected. Since the speed directly influences the level of shear and elongation deformation, which is so important for the dispersion of solids, an optimal speed of 60 rpm was determined for the standard N134.

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Influence of Mixing System Design and Operating Parameters ...

Chemical Engineering Technology. Volume 35, Issue 2 p. 247-254. Research Article. Influence of Mixing System Design and Operating Parameters on Dissolution Process ...

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Color, Flavor, Texture, and Nutritional Quality of Fresh ...

3Department of Food Science Technology, University of Georgia, Athens, GA The color, flavor, texture, and the nutritional value of fresh-cut fruit and vegetable products are factors critical to consumer acceptance and the success of these products. In this chapter, desirable and undesirable quality attributes of fresh-cut fruit

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Impact of Reimbursement on Innovation - ASPE

sale of a healthcare technology. Our framework also posits that reimbursement policies indirectly influence ROI by establishing different incentives for key actors, including patients/consumers, dispensers, providers, sellers, and payers. In turn, these incentives impact effective sales price, sales

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Designing and Proportioning Normal Concrete Mixtures ...

affect the workability of the fresh concrete. They are: 1. Grading (particle size and distribution) 2. Nature of particles (shape, porosity, surface texture) Grading is important for attaining an economical mix-ture because it affects the amount of concrete that can be made with a given amount of cementitious materials and water.

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Effect of Usage of Admixture in Concrete

A Study on Influence of Dilution of Alkaline to Binder Ratios on Fresh and Hardened Behaviour of Geopolymer Mortar Geo-polymer mortar (GPM) is proven for its strength, durability and sustainability [2 3]; strength of GPM is a function of alkaline to binder ratio, and has an adverse effect on consistence properties of mortar...

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Admixture - an overview ScienceDirect Topics

Chemical admixtures are chemicals that are added during concrete mixing to achieve or alter specific properties in fresh and hardened concrete. Despite usually relative small quantities used in concrete mixtures comparing to other components, chemical admixtures have great impact on a variety of properties: workability, air content, accelerated ...

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Ultrasonic Mixing of Cement Paste For Concrete - Hielscher ...

Benefits of Ultrasonic Mixing Technology. Ultrasonic dispersing is the most advanced technology to deagglomerate and disperse micron-size and nano-size materials in liquids. Ultrasonic mixing uses cavitational shear forces that are more effective in the mixing of fine size materials than conventional rotary mixers and rotor‑stator mixers.

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Properties of Fresh Concrete and Factors Affecting Properties

Mar 19, 2017  Fresh concrete is that stage of concrete in which concrete can be moulded and it is in plastic state. This is also called "Green Concrete". Another term used to describe the state of fresh concrete is consistence, which is the ease with which concrete will flow. The transition process of changing of concrete from plastic state to hardened state.

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Effect of Fineness of Sand on the Cost and Properties of ...

A Study on Influence of Dilution of Alkaline to Binder Ratios on Fresh and Hardened Behaviour of Geopolymer Mortar Geo-polymer mortar (GPM) is proven for its strength, durability and sustainability [2 3]; strength of GPM is a function of alkaline to binder ratio, and has an adverse effect on consistence properties of mortar...

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Influence of cold chain interruptions on the shelf life of ...

May 10, 2012  In this study, the influence of fluctuations of the cold chain on the growth of Pseudomonas spp. on fresh pork and poultry and, therefore, their shelf life was evaluated. Thus, four storage trials were examined. In each trial, shelf life at the control scenario (4 °C, constant) was compared with shelf life at two dynamic scenarios including temperature shifts from 4 to 7 and to 15 °C ...

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The Influence of Casting and Curing Temperature on the ...

least 24 hours prior to mixing of con-crete to ensure the fresh concrete was at the correct temperature. Prior to temperature conditioning, the aggre-gates were oven-dried and the needed quantity weighed. Dried aggregates were then inundated with a known amount of water. Excess water was drawn off and weighed just prior to

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Factors Affecting Strength of Concrete - The Constructor

The influence of cement content on workability and strength is an important one to remember and can be summarized as follows: For a given workability an increase in the proportion of cement in a mix has little effect on the water demand and results in a reduction in the water/cement ratio.

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Modified Atmosphere Packaging wittgas

Modified Atmosphere Packaging (MAP) is well established in the food industry and continues to gain in importance. MAP means, simply put, that the natural ambient air in the package is replaced by a gas or gas mixture, often nitrogen and carbon dioxide. This packaging under a protective atmosphere preserves the quality of fresh produce over a ...

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Dairy market in China: the world’s largest dairy market by ...

Jun 01, 2020  The dairy market in China will be the world’s largest by 2022. The total revenue of the dairy market in China 359.041 billion yuan in 2017, with a YOY increase of 7.85 percent. The most consumed diary products in China are fresh milk, milk powder and yogurt, while cheese and butter are less popular. Currently, China ranks second in terms of ...

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9.9.5 Pasta Manufacturing - US EPA

Mixing — In the mixing operation, water is added to the milled wheat in a mixing trough to produce dough with a moisture content of approximately 31 percent. Eggs and any optional ingredients may also be added. Most modern pasta presses are equipped with a vacuum chamber to remove air

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The Future of Aqueous Film Forming Foam (AFFF ...

either fresh or sea water by a proportioning nozzle. The foam forms spontaneously upon ejection of the concentrate/water mix from the nozzle. An aspirating nozzle is not needed nor used. The AFFF coats a pool of hydrocarbon fuel with a layer of foam, which acts as a thermal and evaporation barrier to inhibit and eventually extinguish combustion.

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Volume 19/Number 1 Control of Air Content in Concrete ...

Fresh concrete samples can be taken at the ready mix plant and on site. Testing concrete before and after placement into forms can verify how the applied methods of transporting, placing, and consolidation affect the air-void system. Since the samples are taken on fresh concrete, the

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COVID-19 Impact on Fruit and Vegetable Markets

fresh-produce aisle appear to be readily available. Some of the trends . discussed above for the fresh produce sector are less prevalent for . processed (frozen and canned) fruits and vegetables, which is a non-trivial market in Canada. In fact, the value of processed fruit and vegetable production in Canada is approximately $7 billion ...

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The Influence of Carbon Black, Mixing, and Compounding ...

The coarser, high-DBPA carbon blacks such as N650 are more shear-strain dependent and will reach high dispersion levels if enough energy (usually relatively low) is imparted to the batch during Banbury mixing. N650 consistently gave high dispersion levels over a wide range of black/oil levels, regardless of

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CONCRETE Optimizing the Use of Fly Ash in Concrete

Properties of Fresh Concreteand Durability. Figure 4 shows the distribution in terms of calcium content of fly ashes from 110 commercially-available sources in North America Table 2. ASTM Specification for Fly Ash Class Description in ASTM C 618 Chemical Requirements Fly ash normally produced from

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Types of Pozzolanic Materials Admixtures Concrete ...

Influence of Silica Fume on Fresh Concrete: ... Mixing: The silica fume should be added to concrete mix in the 50 : 50 slurry as it is easy to store and to mix. ... Experiments carried out at Canada centre for Mineral and Energy Technology with more fluid concrete having 18.0 to 20 cm slump have been observed as follows: 1. Bleeding and Setting ...

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Influence of Operating Parameters on Turbidity Removal by ...

May 11, 2010  Influence of pH, temperature, cation concentration and anion concentration of test water was studied. Also investigated was the effect of intensity and duration of rapid mixing as well as slow mixing on turbidity removal. Experiments were conducted at optimum dosage of a crude 5% (wt/v) water extract of dry non-shelled Moringa oleifera seeds.

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Plastics - American Chemistry

Plastics help us protect the environment by reducing waste, lowering greenhouse gas emissions, and saving energy at home, at work, and on the road. Plastic packaging helps to dramatically extend the shelf life of fresh foods and beverages while allowing us to ship more product with less packaging material—reducing both food and packaging waste.

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Osmotic power - Wikipedia

Osmotic power, salinity gradient power or blue energy is the energy available from the difference in the salt concentration between seawater and river water.Two practical methods for this are reverse electrodialysis (RED) and pressure retarded osmosis (PRO). Both processes rely on osmosis with membranes.The key waste product is brackish water.This byproduct is the result of natural forces that ...

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Determination of water/cement-ratio of concrete

w/c-ratio by weighing the cement and water from mix design. The estimated results are usually not accurate as the other factors affect the accuracy such as moisture in the aggregates and water added in the construction site. In this thesis other methods are investigated to determine the w/c-ratio of fresh and hardened concrete.

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Effect of Fineness of Sand on the Cost and Properties of ...

A Study on Influence of Dilution of Alkaline to Binder Ratios on Fresh and Hardened Behaviour of Geopolymer Mortar Geo-polymer mortar (GPM) is proven for its strength, durability and sustainability [2 3]; strength of GPM is a function of alkaline to binder ratio, and has an adverse effect on consistence properties of mortar...

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Oil and Gas Produced Water Management and Beneficial Use ...

Science and Technology Program Report No. 157 . Oil and Gas Produced Water Management and Beneficial Use in the Western United States . U.S. Department of the Interior . Bureau of Reclamation September 2011

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Use of Water Reducers, Retarders, and Superplasticizer

WRA affects mainly the fresh properties of concrete by reducing the amount of water used by 5% to 12% while maintaining a certain level of consistency, measured by the slump as prescribed in ASTM C 143-90. The use of WRA may accelerate or retard the initial setting time of concrete.

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