Good quality water for human consumption, irrigation, and industrial use is very important. Today, around the world, water is contaminated by natural processes and human activities. This study aimed to evaluate the suitability of groundwater for drinking and irrigation, identify the source of fluoride and nitrate contamination, and assess the …
ادامه مطلبInsultherm® Calcium Silicate insulation board and Pipe Cover are made from tobermolite (5CaO.6SiO2.5H2 0) crystal reinforced with non-asbestos fibres. It is a rigid material exhibiting high compressive strength, low shrinkage value and low thermal conductivity, high heat resistance at high service temperature.
ادامه مطلبAs a separate note, calcium silicate-based sealers (CSBs) demonstrate favourable properties such as hydrophilic nature, high pH above 12, antimicrobial properties, expansion on setting, insolubility in the presence of tissue fluids . The setting reaction of their main component calcium silicate results in precipitation of calcium …
ادامه مطلبObjectives: To investigate the potential mineralising effects of calcium silicate-based dentine replacement material (Biodentine™) in comparison with glass-ionomer cement (GIC) (Fuji IX™) on different human dentine substrates using a multimodal non-invasive optical assessment. Methods: Cements were applied on artificially demineralised or …
ادامه مطلبBackground: Dentin adhesion is a basic aspect to consider in a root canal sealer. Calcium silicate-based cements are materials that have excellent biocompatibility and bioactivity. Bioactivity is closely related to dentin bond strength. One of the tests that is most used to evaluate the adhesive property of a sealing cement is the "push-out bond …
ادامه مطلبCalcium silicate (Ca-Si) is well recognized as the principal component of Portland cement in the construction field, although it has only been used as a biomaterial for about two …
ادامه مطلبThe effects of respirable dust from three commercially produced calcium silicate insulation materials were examined in laboratory rats by long-term inhalation and injection techniques. These calcium silicate products have been used as replacements for asbestos in the insulation of the engine rooms o …
ادامه مطلبCalcium silicate is used to insulate high-temperature pipes and equipment and for fire endurance applications. It is manufactured and sold in three different forms: preformed block, preformed pipe, and board. Today's calcium silicate manufactured in North America is noted for its high compressive strength, corrosion-inhibiting properties, …
ادامه مطلبCalcium Silicate had no discernible effect on nidation or on maternal or fetal survival in rabbits. Magnesium Aluminum Silicate had neither a teratogenic nor adverse effects on …
ادامه مطلبThe bone, being an essential tissue in the human body, not only protects the organs inside the body but also provides mechanical support, haematopoiesis, mineral …
ادامه مطلبThis study aimed to review the considerations for choosing a suitable sealer according to various endodontic scenarios. An electronic search of PubMed, Scopus, and the Web of Science was undertaken for the keywords of 'sealer choosing', 'appropriate sealer', 'suitable sealer', 'sealer for clinical scenario', and 'sealer for clinical situations'. However, the …
ادامه مطلبThe longstanding significance of calcium silicate materials in the built environment cannot be overstated. In addition, a wide range of calcium silicate-based …
ادامه مطلبThe risk of nZVI/biochar was reduced to low risk compared with raw materials. • Oxide scale can be used as a cheap iron source to produce nZVI/biochar composites. • Blast furnace slag protect nZVI from corrosion by forming calcium silicate coating. • Calcium silicate coated-nZVI/biochar shows excellent As(V) removal and …
ادامه مطلبOther common anti-caking agents include: silicon dioxide, calcium silicate, iron ammonium citrate, and yellow prussiate of soda. Several anti-caking agents have been cause for concern recently because of their name. Sodium and Potassium ferrocyanide are feared because the chemical compound contains cyanide, a known toxin and common …
ادامه مطلبThe aim of the present in vitro study was to evaluate the intratubular penetration of three bioceramic sealers in root canal retreatment. Here, 30 single-rooted human teeth were instrumented with the Protaper Universal system and filled with gutta-percha and the epoxy-resin-based sealerPlus mixed with rhodamine B. After two …
ادامه مطلبThe increase in heavy metal concentration in water bodies due to rapid industrial and socio-economic development significantly threatens ecological and human …
ادامه مطلبExplore the fascinating world of magnesium silicate, its properties, industrial uses, health impacts, environmental role, and future potential. Magnesium Silicate: An Overview. Magnesium silicate, chemically denoted as Mg 2 SiO 4, is a mineral compound with a rich history and wide range of applications in various industries. It is part of a ...
ادامه مطلبThis review aims to evaluate whether root canal obturation with calcium silicate-based (CSB) sealers reduces the risk and intensity of endodontic postoperative pain when compared to epoxy resin ...
ادامه مطلبHealth factors: See NIH-NLM PubChem. IDLH: Carcinogenic classifications: Notes: AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: ...
ادامه مطلبIntroduction. Because of aging, accidents, osteoporosis and other pathogenicity factors, bone fracture is common in human diseases, which endanger people's health and cause additional medical expenses [1, 2].When the scale of bone …
ادامه مطلبXilinhot City is a significant pastoral city in China where groundwater serves as the primary water source for the cold and arid pastoral regions. The formation and …
ادامه مطلبCalcium hydrosilicate, Calcium metasilicate, Calcium monosilicate, Calcium salt of silicic acid White or cream-colored, free-flowing powder. [Note: The commercial product is prepared from diatomaceous earth & lime.] ... The National Institute for Occupational Safety and Health (NIOSH) ... Calcium silicate. Related Pages. Synonyms & Trade Names ...
ادامه مطلبAs of 2017, Thermo-1200 calcium silicate insulation is water-resistant and redesigned to absorb less than 15% water by weight (maximum ASTM specification allows for 20%) in a 20-minute, typical rainstorm (1¼" of rain/hour). ... Learn more about how insulation plays a role with Corrosion Under Insulation (CUI) and Risk-Based Inspection (RBI ...
ادامه مطلبApical surgery with standard retrograde maneuvers may be challenging in certain cases. Simplifying apical surgery to reduce operating time and streamline retrograde manipulation is an emerging need in clinical endodontics. The aim of the study was to compare the bacterial sealing ability of a calcium silicate-based sealer with the single …
ادامه مطلبThe American Health Association (AHA) recommend eating less than half of this quantity, or 1,500 mg per day. When people reduce the amount of sodium in their diet, they reduce their risk of ...
ادامه مطلبThe efficacy of four 4 mL/L (30 ppm Si) PEG-sSA sprays applied at three-week intervals was compared with: (a) four silicate sprays; (b) soil application of calcium silicate; (c) rice husk ash (RHA); and (d) control. All soil and foliar silicon applications enhanced the growth and yield. Calcium silicate was more effective than RHA.
ادامه مطلبThe primary purpose of this chapter is to provide public health officials, physicians, toxicologists, and other interested individuals and groups with an overall perspective on …
ادامه مطلبPOTENTIAL HEALTH EFFECTS. Hard water has no known adverse health effect, WHO says at its Geneva Conference. In addition, hard water, particularly very hard water, could provide an important supplementary contribution to total calcium and magnesium intake.[] The health effects of hard water are mainly due to the effects of the …
ادامه مطلبThe discharge of lead and cadmium wastewater, along with the pollution caused by phosphogypsum, represents a particularly urgent environmental issue. This study employed a straightforward hydrothermal method to convert phosphogypsum into porous calcium silicate hydrate (P-CSH), which was then used to remove and recover …
ادامه مطلبCalcium silicate board is an asbestos-free thermal insulation product that can withstand continuous high operating temperatures. It is a light weight, low thermal conductive, high strength, easy to install, reliable and durable product. Industrial grade piping and equipment insulation is often fabri.
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