標(biāo)題: Titlebook: Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu; G. V. Samsonov (Director) Book 1972 [打印本頁] 作者: 聲音會爆炸 時間: 2025-3-21 18:49
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu影響因子(影響力)
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu影響因子(影響力)學(xué)科排名
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu網(wǎng)絡(luò)公開度
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu被引頻次
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu被引頻次學(xué)科排名
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu年度引用
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu年度引用學(xué)科排名
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu讀者反饋
書目名稱Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu讀者反饋學(xué)科排名
作者: etidronate 時間: 2025-3-21 22:30
https://doi.org/10.1007/978-1-4615-8555-8X-ray; acid; alloy; material; metals; mining; molybdenum; oxidation; reaction; refractories; refractory; resear作者: Cocker 時間: 2025-3-22 01:54 作者: 捐助 時間: 2025-3-22 08:19
The development of strategic planningThe interaction of the carbides of Group IV and V transition metals with acids and alkalis has hitherto mainly been studied in order to secure qualitative or semiquantitative data relating to their chemical stability; no attention has been paid to the composition of the gaseous decomposition products [2].作者: 搖晃 時間: 2025-3-22 12:40
https://doi.org/10.1007/b138944Boron-base alloys are widely used in view of their many useful properties. Nearly always the most important property involved is their resistance to melting.作者: 變白 時間: 2025-3-22 13:49
Defining the implementation measuresRecently refractory compounds have come to occupy a prominent place in science and technology. One such compound, boron carbonitride, is a refractory material, resistant to the attack of a number of corrosive media; it is comparatively new and unstudied.作者: 變白 時間: 2025-3-22 20:21 作者: 孵卵器 時間: 2025-3-22 22:38 作者: 騷擾 時間: 2025-3-23 02:45 作者: CHURL 時間: 2025-3-23 06:15 作者: 欺騙手段 時間: 2025-3-23 10:42 作者: Lipoma 時間: 2025-3-23 15:59
Defining the strategic businessesThe determination of tungsten in molybdenum is a complex analytical problem. In order to separate the metals the molybdenum is precipitated by hydrogen sulfide in the presence of tartaric acid. The tungsten is determined in the filtrate [2]. If there is only a little tungsten present the error is considerable.作者: 好忠告人 時間: 2025-3-23 21:58 作者: 荒唐 時間: 2025-3-23 23:08 作者: Bombast 時間: 2025-3-24 04:32 作者: 宮殿般 時間: 2025-3-24 07:27 作者: semble 時間: 2025-3-24 12:13
,High-Temperature Oxidation Resistance of Refractory Silicon Nitride—Silicon Carbide Materials,Silicon nitride and carbide are promising materials for use as refractories; they are highly resistant to mineral acids and alkalis, have a high melting point, and are thermally very stable [1].作者: expound 時間: 2025-3-24 18:24 作者: IVORY 時間: 2025-3-24 22:24
Some Data Relating to the Chemical Properties of Germanides,Published data relating to the chemical properties of metal germanides are very limited. The germanides of the alkali metals have been studied most completely. Thus lithium germanides of the following compositions are known: Li.Ge and Li.Ge.. These decompose in damp air, forming Li.CO.; Li.Ge is more active [1].作者: 女歌星 時間: 2025-3-25 01:09 作者: RALES 時間: 2025-3-25 05:43
,Determination of Tungsten in Binary Tungsten—Molybdenum Alloys,The determination of tungsten in molybdenum is a complex analytical problem. In order to separate the metals the molybdenum is precipitated by hydrogen sulfide in the presence of tartaric acid. The tungsten is determined in the filtrate [2]. If there is only a little tungsten present the error is considerable.作者: neoplasm 時間: 2025-3-25 10:29 作者: 輕率的你 時間: 2025-3-25 15:41
Defining the implementation measurescal reagents. The so-called amorphous carbon (soot, highly active coals) is easily oxidized by a 30% solution of hydrogen peroxide [10] and adsorbs several dyes (bromothymol blue, etc.) [9], whereas according to our present data graphite remains unaffected by these reagents. In order to conduct a sy作者: Diluge 時間: 2025-3-25 18:05
Process-based Strategic Planningetallic” class of materials, although very few data relating to the exact properties of the hydrides are available. The study of these compounds has been retarded by their thermal instability, their peculiar absorption of hydrogen, and the absence of methods of obtaining the hydrides in a compact st作者: FRONT 時間: 2025-3-25 22:56
Process-based Strategic Planning matter of great concern in the Soviet Union and elsewhere over the last few years [10]; however, very little has appeared in the literature regarding the chemical analysis of these substances [1, 9,12].作者: ascend 時間: 2025-3-26 00:11
Defining the strategic businessesth various precipitating agents, for example, the formation of a salt of pyrocatechin-germanic acid with o-phenanthroline [6], hydroxyquinoline [2], and others. The volumetric method is based on the capacity of germanic acid to form a complex acid with polyatomic alcohols or monosaccharides, this be作者: Tracheotomy 時間: 2025-3-26 06:09
Strategic analysis and planning toolbox connection is presented by the oxides of the rare-earth elements, yttrium, and scandium, and also the compounds and solid solutions which these form with the refractory oxides of group II elements, since these compounds have extremely high melting points (about 2000°C) and other valuable properties作者: Exonerate 時間: 2025-3-26 11:57 作者: ADORE 時間: 2025-3-26 16:08
Corporate strategy development process the superposition of a current differs from the interaction of the carbides and nitrides of Group VI–VIII metals. This fact enables us to isolate individual carbides MeC or nitrides MeN from mixtures of carbides or nitrides, or from steels and alloys containing these phases. It is a more complicate作者: 配偶 時間: 2025-3-26 18:01 作者: Limerick 時間: 2025-3-26 22:03
Defining the strategic businessesractions of these metals with zinc. Existing data relating to the V-Zn, Nb-Zn, and Ta-Zn systems are incomplete and inaccurate. The most extensive and detailed investigations into these systems have been conducted by Shubert and others [7, 9]. Table 1 gives the structural characteristics of intermet作者: 讓你明白 時間: 2025-3-27 04:34 作者: upstart 時間: 2025-3-27 08:18 作者: LINE 時間: 2025-3-27 11:18 作者: 跑過 時間: 2025-3-27 17:25 作者: 詞匯 時間: 2025-3-27 21:11 作者: 易受騙 時間: 2025-3-28 00:47 作者: Gratuitous 時間: 2025-3-28 04:24
Development of strategic planningtherefore extremely important to conduct further investigations into the development of methods of differential electrochemical analysis for steels and alloys containing the σ phase and also other phase constituents.作者: Spinous-Process 時間: 2025-3-28 07:13
Method of Quantitative X-Ray Analysis for Determining the Amount of Free Carbon in Boron Carbide,l-known chemical methods: the direct determination of C., and an indirect determination based on the overall composition (B. and C.). The direct chemical analysis for C. is based on treating the boron carbide with a chromic mixture and plotting a graph of the amount of CO. evolved against the period作者: Exhilarate 時間: 2025-3-28 11:56 作者: 聯(lián)想 時間: 2025-3-28 17:38 作者: 新鮮 時間: 2025-3-28 20:13 作者: 沒血色 時間: 2025-3-28 23:14 作者: Dendritic-Cells 時間: 2025-3-29 05:58 作者: kindred 時間: 2025-3-29 07:50
Separation of Alloyed Chromium Carbides of the Cr2C (Metastable) and Cr23C6 or Cr7C3 Types Isolatede or nitride phases with a widely varying composition, of the Me.C or Me.N type, having a hexagonal crystal structure. The temperature range of stability of these phases in steels and alloys depends on the particular form of alloying involved. These phases often occur with other carbide or nitride p作者: GRILL 時間: 2025-3-29 15:03
Chemical and Electrochemical Methods of Separating the Carbides MeC and the Carbonitrides Me(C,N) o the superposition of a current differs from the interaction of the carbides and nitrides of Group VI–VIII metals. This fact enables us to isolate individual carbides MeC or nitrides MeN from mixtures of carbides or nitrides, or from steels and alloys containing these phases. It is a more complicate作者: Substance-Abuse 時間: 2025-3-29 15:34 作者: Lyme-disease 時間: 2025-3-29 23:26 作者: 菊花 時間: 2025-3-30 00:38 作者: Throttle 時間: 2025-3-30 07:12
Method of Quantitative X-Ray Analysis for Determining the Amount of Free Carbon in Boron Carbide,mposition given by the formula B.C, while the C. is the proportion of the carbon actually free [5]. The assumption as to the constant composition of the carbon and boron carbide leads to a second assumption, namely, that the properties of the two phases, and in particular their oxidizability, remain constant.作者: 不能平靜 時間: 2025-3-30 10:57
Defining the strategic businessesnd others. The volumetric method is based on the capacity of germanic acid to form a complex acid with polyatomic alcohols or monosaccharides, this being titrated with alkali using various indicators [3,8].作者: Campaign 時間: 2025-3-30 14:12
Development of strategic planningity of these phases in steels and alloys depends on the particular form of alloying involved. These phases often occur with other carbide or nitride phases, which impedes the determination of their chemical composition and any analysis of the distribution of the alloying elements between the various phases.作者: consolidate 時間: 2025-3-30 19:05
Corporate strategy development processividual carbides MeC or nitrides MeN from mixtures of carbides or nitrides, or from steels and alloys containing these phases. It is a more complicated matter to separate the carbides MeC and nitrides MeN of Groups IV and V from each other.作者: Accord 時間: 2025-3-30 21:58
Analysis of Titanium, Zirconium, Hafnium, and Tantalum Germanides,nd others. The volumetric method is based on the capacity of germanic acid to form a complex acid with polyatomic alcohols or monosaccharides, this being titrated with alkali using various indicators [3,8].作者: 舉止粗野的人 時間: 2025-3-31 01:55 作者: 夾死提手勢 時間: 2025-3-31 08:39
Chemical and Electrochemical Methods of Separating the Carbides MeC and the Carbonitrides Me(C,N) oividual carbides MeC or nitrides MeN from mixtures of carbides or nitrides, or from steels and alloys containing these phases. It is a more complicated matter to separate the carbides MeC and nitrides MeN of Groups IV and V from each other.作者: 方便 時間: 2025-3-31 11:40
Method of Separating and Determining the Free Carbon in Materials Containing Refractory Compounds,stematic investigation into the chemical properties of various carbon materials and establish their phase relationship, we studied two ways of separating free carbon from refractory compounds: the removal of free carbon by roasting in a muffle furnace at 850°C, and the “wet” oxidation technique.作者: 使痛苦 時間: 2025-3-31 16:53 作者: commonsense 時間: 2025-3-31 20:46
Interaction of Refractory Group V Metals with Zinc,allic phases belonging to the systems in question. We see that the structure and parameters of the unit cell have only been determined for a few of these compounds. The Nb-Zn system is the one which has been most studied.作者: 異常 時間: 2025-4-1 01:19 作者: LUT 時間: 2025-4-1 02:56
Process-based Strategic Planningate. Recently the experimental difficulties in studying the hydrides have been largely overcome, and accordingly a great deal of theoretical and experimental work is now being carried out in connection with the hydrides of transition metals.作者: Pcos971 時間: 2025-4-1 09:05
Defining the strategic businessesallic phases belonging to the systems in question. We see that the structure and parameters of the unit cell have only been determined for a few of these compounds. The Nb-Zn system is the one which has been most studied.