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TA仪器+等温量热仪+TAM Air

TA仪器+等温量热仪+TAM Air

TA仪器+等温量热仪+TAM Air

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TAM Air

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第20年
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研究水泥和混凝土水化过程的强大工具

测定水泥和混凝土的水化热是非常重要的。传统方法一般是藉由测量溶解热来测定水化热（ASTM C186）。但是近年来，采用TAM Air进行等温量热测试日益受到青睐，因为这种方法不仅能够准确可靠地测量水化热（ASTM C1702），同时还能预测多种水泥混合料的固化行为。TAM Air测试的样品通常为浆状样品，它可连续跟踪水泥在一段时间内的水化过程；除水泥测试外，砂浆或混凝土最终混合料的测试也同样非常重要，因为测试最终混合料有助于监测材料间的相容性。即使是相同的水泥，在水泥浆和混凝土混合料中的混合效果也不尽相同，因为聚集物会导致剪切力增大。

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综合能源/新能源生物产业石油/化工食品/农产品建材/家具

水泥中水泥水化检测方案(差示扫描量热)
Cement is a fnely ground powder of burned limestone. It reacts readily with water (hydrates) to form a solid material, known as hardened cement paste. When cement is mixed together with rock aggregate, sand and filler materials, it forms concrete. Cement is one of the most important base materials in general use in the construction industry. The optimization of concrete with respect to frost resistance, durability, chemical resistance etc. is of great importance.
建材/家具 2019-10-10
生物制品中稳定性检测方案(差示扫描量热)
The fled of biologics, i.e. proteins, particularly monoclonal antibodies (mAbs), as pharmaceutical drugs, is the fastest growing segment in the biopharmaceutical industry. Therapeutic formulations of monoclonal antibodies usually require concentrations on the order of 100 mg/mL or more, a condition that exacerbates protein denaturation and aggregation tendencies. Selecting the monoclonal antibody with the best denaturation/aggregation profile and identifying the solution conditions (formulation) that maximize the long term stability of the antibody are major goals in the development process. To accomplish these goals, researchers routinely measure different aspects of protein denaturation and aggregation using various complementary or orthogonal techniques. Some techniques measure the conformational stability of the protein (e.g., differential scanning calorimetry, differential scanning ?uorometry, isothermal chemical denaturation) and other techniques measure aggregation after lengthy sample incubation (e.g., size exclusion chromatography, light scattering). Since the expected long term stability is longer than one year, incubation times are usually reduced by accelerating denaturation/aggregation process by, for example, increasing the incubation temperature or stressing the sample in different ways. It would be highly desirable for a more efficient development of new therapeutic mAbs, to have access to a technique that provides the rate of denaturation/aggregation fast and accurately. In this technical note, we introduce the Thermal Activity Monitor (TAM) as a way to measure the rates of denaturation and aggregation of monoclonal antibodies and other proteins at constant temperature.
生物产业 2019-10-10
微生物中代谢，生物量检测方案(差示扫描量热)
Isothermal calorimetry is a viable technique for determining the quality of soil through respiration measurements. Substrate induced respiration follows the carbon in the soil and can be used to determine carbon incorporation. Additional experimental conditions can further characterize the soil through the idea of calorespirometry. The findings via calorimetry in the references show a direct correlation between calorimetry results and soil quality.
生物产业 2019-10-10
食品中食品保质期检测方案(差示扫描量热)
Food items are often perishable and have a limited shelf life. Legislation requiring a declaration of “Best before” date and the interest of the manufacturer to assure the quality of his products within the declared time makes a frm control of the adulterating reactions in the product highly desirable, A thorough knowledge of the aging mechanism allows the manufacturer to take proper actions to prevent rapid decay. Microcalorimetry is a very useful tool for the measurement of the degree of aging of a product and also for the elucidation of the aging mechanism. This can sometimes be a formidable task in such a complex matrix as a food product.
食品/农产品 2019-10-10

电池中电解质稳定性检测方案(差示扫描量热)
Microcalorimetry has been successfully applied to the study of electrochemical components and structural materials during the design and development of new batteries. The Ampoule form of the Microcalorimeter is ideally suited to the examination of the electrochemical materials in forms such as pastes, liquids, powders or even the entire battery. The method is non-destructive, Analysis of the activity of the components is fast; for example, a reaction normally taking several weeks or months can be observed within a few hours when using this technique. The variable full-scale readout range of the instrument ensures a sensitive measurement of the activity of a wide range of samples.
能源/新能源 2019-10-10
干电池中放电速率检测方案(差示扫描量热)
A dry cell battery is an electrochemical cell in which the electron transfer of a chemical reaction is conducted outside the battery through an external circuit in a load. The reactions in the battery result in a decrease in the energy content of the substances in the battery, It is this energy decrease which can be used to power a device such as a ?ashlight. It is however not possible to utilize the entire energy because of internal energy losses within the battery. The energy that cannot be used outside the battery is converted to heat within the battery. By measuring this heat the efficiency of the battery may be investigated.
能源/新能源 2019-10-10

生物制品中稳定性检测方案(差示扫描量热)
The fled of biologics, i.e. proteins, particularly monoclonal antibodies (mAbs), as pharmaceutical drugs, is the fastest growing segment in the biopharmaceutical industry. Therapeutic formulations of monoclonal antibodies usually require concentrations on the order of 100 mg/mL or more, a condition that exacerbates protein denaturation and aggregation tendencies. Selecting the monoclonal antibody with the best denaturation/aggregation profile and identifying the solution conditions (formulation) that maximize the long term stability of the antibody are major goals in the development process. To accomplish these goals, researchers routinely measure different aspects of protein denaturation and aggregation using various complementary or orthogonal techniques. Some techniques measure the conformational stability of the protein (e.g., differential scanning calorimetry, differential scanning ?uorometry, isothermal chemical denaturation) and other techniques measure aggregation after lengthy sample incubation (e.g., size exclusion chromatography, light scattering). Since the expected long term stability is longer than one year, incubation times are usually reduced by accelerating denaturation/aggregation process by, for example, increasing the incubation temperature or stressing the sample in different ways. It would be highly desirable for a more efficient development of new therapeutic mAbs, to have access to a technique that provides the rate of denaturation/aggregation fast and accurately. In this technical note, we introduce the Thermal Activity Monitor (TAM) as a way to measure the rates of denaturation and aggregation of monoclonal antibodies and other proteins at constant temperature.
生物产业 2019-10-10
微生物中代谢，生物量检测方案(差示扫描量热)
Isothermal calorimetry is a viable technique for determining the quality of soil through respiration measurements. Substrate induced respiration follows the carbon in the soil and can be used to determine carbon incorporation. Additional experimental conditions can further characterize the soil through the idea of calorespirometry. The findings via calorimetry in the references show a direct correlation between calorimetry results and soil quality.
生物产业 2019-10-10

粉末中表面能检测方案(差示扫描量热)
The surface energetics of a powder plays an important role in the ease of preparation, stability and dissolution of pharmaceutical products. Existing techniques for assessing surface energetics of powders (i.e. liquid penetration and contact angles) suffer from practical and theoretical limitations as well as being somewhat subjective. The objective of this study was to evaluate the data obtained by microcalorimetric techniques from which ?H and other kinetic parameters of adsorption can be determined. Results were supplemented by data obtained by vacuum microbalance methods.
石油/化工 2019-10-10
活性炭，有机溶剂中吸附热检测方案(差示扫描量热)
A common technique for sampling organic solvents in workplace air is the use of preconcentration of vapors on adsorbents. The most widely used adsorbent is activated carbon, due to its large sampling capacity. After desorption (thermal or displacement by other solvents such as carbon disulfide), analysis is made by gas chromatography. In order to avoid breakthrough, the collected amount is usually <10% of the maximum capacity (total pore volume).
石油/化工 2019-10-10

食品中食品保质期检测方案(差示扫描量热)
Food items are often perishable and have a limited shelf life. Legislation requiring a declaration of “Best before” date and the interest of the manufacturer to assure the quality of his products within the declared time makes a frm control of the adulterating reactions in the product highly desirable, A thorough knowledge of the aging mechanism allows the manufacturer to take proper actions to prevent rapid decay. Microcalorimetry is a very useful tool for the measurement of the degree of aging of a product and also for the elucidation of the aging mechanism. This can sometimes be a formidable task in such a complex matrix as a food product.
食品/农产品 2019-10-10

水泥中水泥水化检测方案(差示扫描量热)
Cement is a fnely ground powder of burned limestone. It reacts readily with water (hydrates) to form a solid material, known as hardened cement paste. When cement is mixed together with rock aggregate, sand and filler materials, it forms concrete. Cement is one of the most important base materials in general use in the construction industry. The optimization of concrete with respect to frost resistance, durability, chemical resistance etc. is of great importance.
建材/家具 2019-10-10

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