標題: Titlebook: Iron Powder Metallurgy; Kempton H. Roll,Peter K. Johnson Book 1968 Springer Science+Business Media Dordrecht 1968 iron.metallurgy.metals [打印本頁] 作者: VIRAL 時間: 2025-3-21 19:39
書目名稱Iron Powder Metallurgy影響因子(影響力)
書目名稱Iron Powder Metallurgy影響因子(影響力)學科排名
書目名稱Iron Powder Metallurgy網(wǎng)絡公開度
書目名稱Iron Powder Metallurgy網(wǎng)絡公開度學科排名
書目名稱Iron Powder Metallurgy被引頻次
書目名稱Iron Powder Metallurgy被引頻次學科排名
書目名稱Iron Powder Metallurgy年度引用
書目名稱Iron Powder Metallurgy年度引用學科排名
書目名稱Iron Powder Metallurgy讀者反饋
書目名稱Iron Powder Metallurgy讀者反饋學科排名
作者: 易怒 時間: 2025-3-21 20:35
clearly dominant, since electrons exchange during the biochemical reaction facilitates their interaction with electrodes. However, hydrolases can also be used, provided that an electroactive species participates in the reaction. In this review, we address the topic of enzyme-based biosensors, with 作者: 津貼 時間: 2025-3-22 02:08
Kempton H. Roll,Peter K. Johnsontation to climate change effects on nitrogen-footprint. Enzymes are affected by abiotic factors alterations driven by climate change but may alter their activity as a result of human actions, e.g. agricultural management practices affecting microbial populations. Enzymes may thus be a vehicle of bot作者: 鍵琴 時間: 2025-3-22 07:54
A. B. Backensto this chapter, we describe the remarkable recent progress towards efficient and selective FDH-catalysed CO. reduction to formate. We focus on the enzymes, discussing their structure and mechanism of action. Selected promising studies and successful proof of concepts of FDH-dependent CO. reduction to作者: liaison 時間: 2025-3-22 10:01
Arnold R. Posternd the ability to genetically engineer the enzyme for specific target organophosphate neurotoxins have provided realistic OPHbased technologies for detoxification of these compounds, including enzyme immobilization on various matrices, discriminative detection, and clinical therapy. A series of opti作者: 受辱 時間: 2025-3-22 16:27
Gerhard Bockstiegelese systems and have an influence over the basic understanding of how these drugs operate and act in the body, as well as providing a safety measure so necessary to the proper conduct of clinical anesthesia. The editor and his colleagues have rendered us a great service in collecting information that deals wi978-1-4612-6250-3978-1-4612-6248-0作者: insurrection 時間: 2025-3-22 19:05
C. J. Leadbeater,L. Northcott,F. Hargreavessuch as the state of consciousness (56), vasomotor control, and thermoregulation. In the basal ganglia, dopamine has been demonstrated to be an important transmitter of extrapyramidal modulation of the somatic motor system (50). The range of physiologic roles of catecholamines in the central nervous作者: cardiac-arrest 時間: 2025-3-22 22:38 作者: 蹣跚 時間: 2025-3-23 02:55 作者: 外來 時間: 2025-3-23 07:05 作者: Dedication 時間: 2025-3-23 13:07 作者: Asparagus 時間: 2025-3-23 15:41 作者: Dri727 時間: 2025-3-23 20:55 作者: 傻瓜 時間: 2025-3-23 22:52 作者: 痛恨 時間: 2025-3-24 03:48
Gerhard Bockstiegelsion of the catalytic activity. In fact, the activity shown by an enzyme depends on the number of productive encounters that occur between the enzyme molecule and the substrate. Consequently, all methods that may increase the dispersion of the enzyme in organic solvents may be of interest in improvi作者: resuscitation 時間: 2025-3-24 09:18
R. D. McIntyreter exchange catalyst for heterogeneous solutions (.,.,.-.) and (.) Inada and coworkers prepared a poly(ethylene glycol) (PEG)-grafted lipase that is soluble or swelled in hydrophobic organic solvents and catalyzes simple ester syntheses from aliphatic alcohols and acids (.-.).作者: 膽小懦夫 時間: 2025-3-24 11:52
Harold T. Harrison,Carl G. Johnsonusing enzyme peak fraction; c) only the Mw 86,000 protein extensively incorporated .P from [γ-.P]ATP after incubation with protein ki-nase and cyclic AMP..The pI of the enzyme was 6.7, it had the same Stokes radius on Sephadex G 200 as IgG and was 50% inactivated by 10 μM HgCl., 20 μM PCMB, 50 μM DF作者: 碎石 時間: 2025-3-24 14:51
H. F. Fischmeisterlimité un domaine compris entre 23 et 30 dynes/cm où la colipase est indispensable à la pénétration de la lipase dans un film monomoléculaire. Grace à des expériences de transfert, nous avons montré que la colipase péné-trait d’abord le film et servait d’ancre pour la fixation de la li-pase..De ces 作者: 傳染 時間: 2025-3-24 21:02 作者: expdient 時間: 2025-3-24 23:10
V. A. Dymchenko,Yu. F. Morozovl as a variety of cells, primary or cultured lines. A session was also devoted to modification of lipid enzymes and metabolism resulting from inherited, inborn defects such as the lipid storage diseases which are caused by genetic modification of degradative enzymes of lipid metabolism. A second typ作者: 不來 時間: 2025-3-25 07:21
P. Ulf Gummesones, as well as a variety of cells, primary or cultured lines. A session was also devoted to modification of lipid enzymes and metabolism resulting from inherited, inborn defects such as the lipid storage diseases which are caused by genetic modification of degradative enzymes of lipid metabolism. A second typ978-1-4684-5214-3978-1-4684-5212-9作者: 報復 時間: 2025-3-25 10:15 作者: Diluge 時間: 2025-3-25 12:46
Kempton H. Roll,Peter K. Johnsonmicroorganisms affecting enzyme production and activity. This influences soil organic matter turnover and nutrient cycling in soil. Nitrogen is one of the most, if not the most important, nutrient for all living organisms. Besides its vital role in maintenance of life on Earth and need to maintain n作者: 是突襲 時間: 2025-3-25 19:44 作者: lacrimal-gland 時間: 2025-3-25 20:15
Arnold R. Posterhydrolysis of certain chemical warfare agents and their analogues. These changes alter the metal content of the enzyme and we suggest that changes in metal requirements improve the catalytic characteristics by allowing greater structural flexibility and access of larger substrates to the active site作者: 機警 時間: 2025-3-26 01:31
Gerhard Bockstiegelonvenient place a discussion and description of enzyme systems of use to the anesthesiologist and to those other individuals, such as undergraduate and graduate students in related basic sciences, who will profit by and can make use of this body of information. The practicing anesthesiologist and th作者: WAX 時間: 2025-3-26 05:05 作者: 橢圓 時間: 2025-3-26 08:50 作者: 多產(chǎn)魚 時間: 2025-3-26 15:48
Eugene M. Stein,John R. Van Orsdel,Peter V. Schneiderne. The well-known naturally occurring catecholamines are epinephrine, norepinephrine, and dopamine. Epinephrine found in the adrenal medulla is considered a “hormone,” because it is carried by the circulation to other parts of the body to exert its physiologic action. Norepinephrine and dopamine ar作者: ARIA 時間: 2025-3-26 18:15 作者: 轉換 時間: 2025-3-26 23:52
Phillip M. Leopold,Russell C. Nelsonpast several years, the worldwide economic and environmental pollution issues have been escalating research interest in the value of biosourced lignocellulosic biomass. The limited resource of fossil fuels and the rapid increase in energy demand has placed immense on the environment. Microbes are kn作者: Dysplasia 時間: 2025-3-27 05:02
Otto H. Henry,J. J. Cordiano enzyme activity at various stages of manufacture. In brewing, the malting of grain develops amylase and protease activities, which then act on the starch and protein reserves of the grain during mashing to produce fermentable sugars and other nutrients on which yeast can grow. By a process of trial作者: 項目 時間: 2025-3-27 09:15
Lennart Forsscan be as much as a third of the household food budget. As meat is an expensive commodity, much care is generally taken in the selection of cuts or joints at the butcher’s shop or supermarket counter. However, whereas we buy our meat mainly on the basis of its appearance, the most important quality 作者: Suggestions 時間: 2025-3-27 11:01
G. S. Pisarenko,V. T. Troshchenko,A. Ya. Krasovskiiific knowledge are reshaping and revamping the entire environmental engineering scenario. Stringent environmental regulations, environmental disasters and loss of environmental biodiversity are urging the scientific domain to gear forward towards newer innovations of science. In this well-researched作者: 向下 時間: 2025-3-27 16:04
Gerhard Bockstiegelic synthesis and numerous examples also in the fields of food-related conversions and analysis. However, enzymes show a lower catalytic efficiency (up to three or four orders of magnitude) when employed in organic solvents rather than in aqueous buffer. It is evident that such behavior represents an作者: paroxysm 時間: 2025-3-27 20:39 作者: Increment 時間: 2025-3-28 01:57 作者: Modify 時間: 2025-3-28 06:10 作者: Electrolysis 時間: 2025-3-28 06:58
H. H. Hausner,R. King (H.Tornqvist and P.Belfrage, 1976, .. 251, 813–819) and lipoprotein lipase by use of ion-exchange chromatography, broad and narrow pH range electrofocusing and gel chromatography. The final preparation contained several different proteins. One of these, with an apparent minimum molecular weight of 作者: CROAK 時間: 2025-3-28 12:13 作者: JIBE 時間: 2025-3-28 17:50 作者: Adornment 時間: 2025-3-28 20:49
Commercial Methods for Powder Production,is marked by the process used in its production. This variation is fortunate in some respects because it gives a wide range of properties from which to choose a powder. The same variation from process to process has an unfortunate aspect because it makes the development of standard grades of metal p作者: 矛盾 時間: 2025-3-29 00:25
,Iron Powder: Production—Characteristics—Fabrication, is the purpose of this chapter to deal with the various methods which are used to manufacture iron powders, the properties of the material resulting from the various methods, and the influence of these properties upon the compaction and sintering processes.作者: Malcontent 時間: 2025-3-29 04:39 作者: Provenance 時間: 2025-3-29 09:56 作者: 使增至最大 時間: 2025-3-29 13:59
The Pressing and Sintering Properties of Iron Powders,one there is a choice of some twenty different iron powders for powder-metallurgical purposes, and it is known that a number of new production processes are under development which will eventually lead to the introduction of further types of powders on the market.作者: 神經(jīng) 時間: 2025-3-29 17:36
High Velocity Compaction of Iron Powder,tional pressing and sintering. The lower properties of the latter stem primarily from their lower density. Some metal components, such as bearings and filters, require low density (high porosity) to retain oil, but in most applications the highest practical density is desirable for strength, ductili作者: Filibuster 時間: 2025-3-29 21:43
Study on Continuous Rolling Fabrication of Iron Strip from Metal Powders,patent for this method was announced about sixty years ago [1], However, for a long time it has been buried under the conventional melting method. Since G. Naezer and F. Zirm published a paper on powder rolling of RZ iron powder, many experiments were carried out with various kinds of powders, such 作者: 倒轉 時間: 2025-3-30 03:13
Some Factors Influencing the Properties of Sintered Iron,hich influence the properties of sintered structural materials is still quite insufficient. Some such variables are, for example, the causes of differences in sintering activity and dimensional behavior between the commercial types of iron powder and the role of phase transformations and grain growt作者: 預知 時間: 2025-3-30 05:32
Study of the Mechanical Properties of Porous Iron in Tension and Torsion,ength of such elements, it is necessary to have information on the ability of materials being employed to resist fracture in the presence of various combinations of the principal stresses. Porous materials prepared by powder metallurgy methods are no exception in this respect. The range of parts mad作者: 蔑視 時間: 2025-3-30 11:20
The Effect of Minor Additions of Sulfur on Pore Closure and Case-Hardenability of Sintered Iron,ily during gas- or pack-carburizing treatment. This is mainly due to the fact that the carburizing gases, via interconnected pores, can easily penetrate the sintered parts to a greater depth. If the density of sintered iron parts is less than ~7.0 g/cc, the carburizing action is usually so fast that作者: savage 時間: 2025-3-30 14:14 作者: 字謎游戲 時間: 2025-3-30 19:49
Controlled Oxidation Prior to Sintering of Iron Compacts,able knowledge as to how we could influence our product by using variations of this technique; however, the whys of what happens to produce these results were more or less subject to conjecture and educated guess.作者: Herbivorous 時間: 2025-3-30 21:37
Densification and Grain Growth in the Later Stages of Sintering of Alpha-Iron, is enhanced by the observation [1, 2] of a dominant contribution of surface diffusion during the initial stage of sintering of wire spool models in the α range. Together with the empirical fact that fine iron powders do exhibit considerable shrinkage on sintering in the alpha range (which is incomp作者: stressors 時間: 2025-3-31 01:09
Effect of Powder Particle Size on the Grain Size of the Sintered Material,ny other more conventional metallurgical method. Reference is made, for example, to materials with controlled porosity, combinations of metals which do not form alloys, and sintered products with special electrical properties. Little attention, however, has been given heretofore to the grain structu作者: BUST 時間: 2025-3-31 05:01 作者: Pessary 時間: 2025-3-31 11:12 作者: Credence 時間: 2025-3-31 15:37 作者: Eosinophils 時間: 2025-3-31 18:34
The Effect of HCl-H2 Sintering on the Properties of Compacted Iron Powder, to density [1]. It was noted that gamma-iron showed marked resistance to densi-fication [2]. In this investigation density changes, pore characteristics, tensile strength, and percent elongation were evaluated in an attempt to determine gamma-iron sintering behavior.作者: 售穴 時間: 2025-3-31 21:47 作者: 生命層 時間: 2025-4-1 03:58
Study on Continuous Rolling Fabrication of Iron Strip from Metal Powders,dvantage of this process is the lower cost of equipment and operation, as compared with that in the conventional melting method. If the metal can be refined from the ore in a form of powder in the near future, the powder rolling process will be advisable from an economic viewpoint.作者: Assignment 時間: 2025-4-1 09:39 作者: 欺騙手段 時間: 2025-4-1 13:14
