Gluconate broth for cement and concrete admixture: 2008-12-09: Chun et al. 106/729: 20080293607: Alkaliphilic Bacillus Species alpha-Amylase Variants, Compositions Comprising alpha-Amylase Variants, And Methods of Use: 2008-11-27: Jones et al. 510/226: 20080199918: Starch Process: 2008-08-21: Viksoe-Nielsen et al. 435/101: 7041630

Gluconate broth for cement and concrete admixture Issued December 9, 2007 United States 7,462,236. Methods and compositions of the invention involve the use of crude intermediate fermentation

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A concrete paste was prepared by mixing cement (ordinary Portland cement type 1), sand, and water at a ratio of 6:3:4 (w/w), and the pH of the finished concrete paste was 10.6. Artificial cracks were induced by casting concrete paste on a Petri dish, inserting a 150 μm thick polyester film up to a depth of 5 mm, and placing it at room

zone, precompressed—. ACI 116R-00. Cement and Concrete Terminology. Todd Rutenbeck. FOREWORD This report is the authoritative glossary for cement and concrete technology. It is to be used generally and specifically in ACI tech-nical communications, correspondence, and publications.

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Different strategies have been used to counteract this problem, with the addition of surfactants to broth and agar test media being used most widely (11, 13, 15, 31, 32, 61). Dispersion of TTO in liquid media usually results in a turbid suspension that makes determination of end points in

CA2547015C Gluconate broth for cement and concrete. concrete admixtureadditives sodium gluconate. best quality ready mix mobile concrete mix plant yhzs60 hot sale. portable mobile egg laying qt403d concrete block making.

The invention relates to a reinforced cement grinding aid and a preparation method thereof. The reinforced cement grinding aid is characterized by comprising the following materials in parts by weight: 20-65 parts of mixed solution of sodium polystyrene sulfonate (SPS) and aluminum sulfate, 5-25 parts of alkanolamine, 5-20 parts of polyhydric alcohol, 3-15 parts of saccharides, 0.1-1 part of

products such as concrete cement. In a process mimicking marine cement produced by coral when making their shells and reefs, magnesium and/or calcium can be combined with CO2 to produce carbonates. 32 CA 02917139 2015-12-30 WO 2015/002552 PCT/NZ2014/000137

Concrete admixtures are formulated products that are added in small amounts during the mixing process to selectively modify and enhance the properties of concrete or cement (Siddique and Khan, 2011). Global cement output in 2010 was more than 30 billion ton, and cement trade has been growing intensively in recent decades ( Selim and Salem, 2015 ).

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The alkalophilic strain was Bacillus bacillus, which was purchased from the Shaanxi Institute of Microbiology.The purchased strain was inoculated and cultured using a liquid medium according to a conventional culture method, and the bacterial solution was diluted to an OD value of 1.2 [65].The medium used was: 1 L of ultrapure water, 5 g of peptone, 3 g of beef extract, 0.42 g of NaHCO 3, and

Oral Health and Preventive Dentistry, 01/2020 Publication date: 12.02.2020 Language: English 131 Contributions in issue ISSN 1602-1622 QP Deutschland

the concrete industry, etc. (Ma et al., 2015; Ramachandran et al., 2006). The only difference in the structure of gluconic acid from that of glucose is the carboxyl group instead of aldehyde group at C-1 position. Gluconic acid can be produced by the fungus Asper-gillus niger with glucose as raw material (Ramachandran et al., 2006).