... Journal of Food Engineering, Vol [2011], Iss 1, Art Materials and methods Materials Plant material Artichoke material was collected from different parts (leaf, flower, stalk and root) of artichoke ... of leaf, flower, stalk and root of dried artichoke, concentration of spray-drying solution, spray-drying temperature, spray-drying carrier, concentration of spray-drying carrier, proportion of ... 100°C, soak time of 14 hours, first extraction time of one hour, second extraction time of three hours The dried artichoke raw material consisted of 1.0 parts leaf, 0.5 parts flower, 1.0 parts stalk...
Ngày tải lên: 27/02/2014, 22:28
... PB-Nr: S05 Supply and stock of raw materials flow/process documentation/competence Issed by Hr Bauer Date of release Version 00 Page 2/5 PB-Nr: S05 Supply and stock of raw materials Supplier Documents ... Documents Responsibility Delivery of raw material and other goods Refuse of acceptance Control of delivery papers Stock supply Supply Information to Purchasing Check goods of damages Delivery documents ... instructions of M08.02 to be executed Issed by Hr Bauer Date of release Version 00 Page 4/5 PB-Nr: S05 Supply and stock of raw materials Applicable documents Factory regulations Handling dangerous materials...
Ngày tải lên: 25/01/2014, 00:20
simulation of microscale densification during femtosecond laser processing of dielectric materials
... localized change of the index of refraction as compared with the laser-heated area 948 Applied Physics A – Materials Science & Processing Summary Femtosecond laser processing of fused silica ... change of the index of refraction of the glass ACKNOWLEDGEMENTS Support of this work by the National Science Foundation (DMI-9908176) is gratefully acknowledged REFERENCES FIGURE Diameter of densification ... the change of the index of refraction is confined in a region of µm when the laser pulse is absorbed in a 2-µm spot This indicates that a 3.46-µm laser beam can produce a change of index of refraction...
Ngày tải lên: 06/05/2014, 08:54
simulation of microscale densification during femtosecond laser processing of dielectric materials
... localized change of the index of refraction as compared with the laser-heated area 948 Applied Physics A – Materials Science & Processing Summary Femtosecond laser processing of fused silica ... change of the index of refraction of the glass ACKNOWLEDGEMENTS Support of this work by the National Science Foundation (DMI-9908176) is gratefully acknowledged REFERENCES FIGURE Diameter of densification ... the change of the index of refraction is confined in a region of µm when the laser pulse is absorbed in a 2-µm spot This indicates that a 3.46-µm laser beam can produce a change of index of refraction...
Ngày tải lên: 06/05/2014, 08:58
báo cáo hóa học:" Wet-chemistry processing of powdery raw material for high-tech ceramics" pdf
... Methods Wet methods of producing nanostructured raw materials win the increasing confidence of material scientists and technologists Their implementation is based on the use of aqueous and organic ... On the example of CeO2, the influence of the sol St’s nature on the morphology of the powders was shown Comparison of the crystallite sizes of ceria powders shows that the use of DMOA and TEAH ... 09-08-00917-a, Fundamental Research Program no 22 of the Presidium of RAS, and Program no of the Department of Chemistry and Materials Science of RAS Authors’ contributions EAT conceived the study,...
Ngày tải lên: 21/06/2014, 17:20
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) pptx
... concentration of total peroxyacid, expressed as peroxyacetic acid, of 220 mg per L, a maximum concentration of hydrogen peroxide of 110 mg per L, and a maximum concentration of HEDP of 13 mg per ... formula for the calculation of the concentration of the peroxyacid mixture is given in the appendix MECHANISMS OF ACTION OF THE ANTIMICROBIAL AGENTS Mechanisms of action of the antimicrobial agents ... efficacy of these antimicrobials including concentration of the substance, time of exposure, temperature, pH and hardness of water, strength of bacterial adhesion to the carcasses, biofilm formation...
Ngày tải lên: 17/03/2014, 10:20
ADVANCES IN CERAMICS CHARACTERIZATION, RAW MATERIALS, PROCESSING, PROPERTIES, DEGRADATION AND HEALING pptx
... in raw materials, processes and mechanical and other properties of conventional and advanced ceramic materials, dealing with the evaluation of local raw materials and various types and forms of ... and aging, Preface the effects of material s characteristics as well as the nature of the environmentmaterial interface, the effects of degradation and aging on the material, all need to be investigated ... incorporated in the raw materials; the behavior of aging, micro-void, and self-healing of glass/ceramic materials and its effect on mechanical properties; the crack-healing ability of structural ceramics...
Ngày tải lên: 29/06/2014, 12:20
Heterogeneous catalysts for production of chemicals using carbon dioxide as raw material
... in the synthesis of methanol from CO2 [12,13] The preparation of Cu/ZnO catalyst by physical mixture of Cu/SiO2 and ZnO/SiO2 resulted in formation of the ZnOx on the surface of Cu particles to ... when the metal contents increased In the case of Cu and Au, the addition of large amounts of CuO and AuO led to the formation of large pore diameter of catalysts in contrast with Ag loading [26] ... polycarbonate materials synthesis, electrolytes in lithium secondary batteries, in the production of pharmaceutical, and as raw materials in various chemical reactions [11,37,38] The synthesis of cyclic...
Ngày tải lên: 08/10/2015, 23:14
An evaluation of the material “basic english iii” for the second year non- english major students at bac giang teachers’ training college
... of the materials in language learning - teaching; and types of materials The second sections presented major issues in materials evaluation: definitions of materials evaluation, purposes of materials ... major issues in materials evaluation including definitions of materials evaluation, purposes for materials evaluation, types of materials evaluation, materials evaluators, models for materials evaluation, ... on - Aims of the materials: the evaluator has to check if the materials match the aims and objectives of the course - Content of the materials: the evaluator has to check whether the materials’...
Ngày tải lên: 07/11/2012, 14:50
Chemistry of nanostructured materials
... the synthesis of extralarge pore materials [15] The expansion of the pore size is an important goal of the current research on microporous materials [16] Even though microporous materials include ... area of mesoporous materials [5-9] or with specific segments of this field such as catalysis [10] and adsorption by mesoporous materials [11-13] A number of reviews dealing with different types of ... frequently used term in the field of microporous materials is “molecular sieves” [5] that refers to a class of porous materials that can distinguish molecules on the basis of size and shape This chapter...
Ngày tải lên: 23/04/2013, 14:23
The chemistry of nanostructured materials
... the synthesis of extralarge pore materials [15] The expansion of the pore size is an important goal of the current research on microporous materials [16] Even though microporous materials include ... area of mesoporous materials [5-9] or with specific segments of this field such as catalysis [10] and adsorption by mesoporous materials [11-13] A number of reviews dealing with different types of ... frequently used term in the field of microporous materials is “molecular sieves” [5] that refers to a class of porous materials that can distinguish molecules on the basis of size and shape This chapter...
Ngày tải lên: 23/04/2013, 20:25
Investigation of thermal effect on exterior wall surface of building material at urban city area
... surroundings The aim of this study was to investigate the effect of construction materials that contributes to UHI and the thermal behavior of different materials used in surfaces of buildings Infrared ... conditions The type of building material, vertical height and the impact of materials used towards outdoor environment were analyzed This study can increase the awareness of urban planners, designers ... 3.1 Analysis of existing exterior building based on different materials This part discusses the four locations of the monitored area with different types of exterior wall building materials: brick,...
Ngày tải lên: 05/09/2013, 15:28
Machining of Hard Materials
... of high-speed hard milling of material hardened to HRC40, HRC50, or even HRC62 at a maximum spindle speed of 20,000 rpm, a maximum rapid feed of 200 m/min (800 ipm), and a maximum feed rate of ... hardness of the workpiece material Figure 4.14(a) shows how work material with increasing hardness affects the tool edge temperature in the vicinity of the flank face measured by means of Machining of ... and the hardness of the work material used, and the cutting speed causes a substantial increase of the temperature [11, 22] In a higher range of hardness, an increase of the material hardness...
Ngày tải lên: 18/10/2013, 03:15
Static properties of granular materials Philippe Claudin
... probably one of the issues that has been at the origin of the interest of many physicists for granular materials [359] The last point of this subsection will be dedicated to the study of the stress ... a series of captors), and are thus much noisier 250 Static properties of granular materials F r p h z Fig 14.13 Sketch of the experimental set-up of Reydellet et al for the measure of the pressure ... modelling of the mechanical behaviour of solids, soils and granular materials in particular Very briefly speaking, research in this field consists of finding the constitutive law of the studied material, ...
Ngày tải lên: 01/11/2013, 08:20
The thermodynamics of granular materials Sir Sam Edwards and Raphael Blumenfeld
... heap of hot sand will have many of the characteristics of a heap of cold sand) and we can write S = Sth + Sconf (13.19) It is interesting to note that confirmation of this ‘thermodynamics’ of granular ... function of the coordination We shall see later that the mean coordination number is a parameter that plays a central role in the behaviour of granular materials 212 The thermodynamics of granular materials ... sketch of the density of granular matter in a vessel after being shaken at amplitude A Adapted from [172, 173, 356] Detailed studies of the density of shaken granular systems as a function of the...
Ngày tải lên: 01/11/2013, 08:20
Tài liệu Mechanical Properties of Engineered Materials P2 pptx
... and 2.8(f) These may be thought of as the absence of a plane of atoms (intrinsic stacking faults) or the insertion of rows of atoms that disturb the arrangement of atoms (extrinsic stacking faults) ... time-dependent flow of materials at temperatures greater than $0.3–0.5 of the melting temperature in degrees Kelvin Also, the activation energy, Q, in Eq (2.10) is indicative of the actual mechanism of diffusion, ... approximately 0.3–0.5 of the melting temperature in degrees Kelvin Since the evolution of microstructure is often controlled by diffusion processes, a brief introduction to elementary aspects of diffusion...
Ngày tải lên: 23/12/2013, 00:15
Tài liệu Mechanical Properties of Engineered Materials P1 pptx
... classes of materials Following a brief introduction to materials science and basic strength of materials, the fundamentals of elasticity and plasticity are presented, prior to a discussion of strengthening ... macroscopic level of understanding of structure [Figs 16(a)–(d)] They are often unaware of the atomic and microstructural constituents that can affect the mechanical behavior of materials and of the role ... introduction to the structure of materials has been presented in this chapter Following a review of the structure of crystalline and amorphous materials, the different classes of materials (metals, polymers,...
Ngày tải lên: 23/12/2013, 00:15
Tài liệu purchasing raw materials ppt
... procurement of fuels is to be paid attention to the environment-friendliness of the constituted materials The following general specifications apply: Choice of materials: Avoid from dangerous materials ... necessary still before the entry - terms of delivery - terms of payment - date of delivery - request of a manufacturer's test certificate: Generally applies to all raw material supplies - special arrangements ... dangerous materials Reduction that material variety Application of materials with high order for quantity reduction Recycling possibilities or abilities consider Raw material extraction consider Environmental...
Ngày tải lên: 25/01/2014, 00:20