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Combined display of all available logs of Vigyanwiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 12:02, 6 September 2022 Admin talk contribs deleted page Hydrogen embrittlement (content was: "{{Short description|Embrittlement of a metal exposed to hydrogen}} thumb|upright=1.5|Hydrogen-Induced Cracks (HIC) {{Mechanical failure modes}} '''Hydrogen embrittlement''' (HE) also known as '''hydrogen assisted cracking''' or '''hydrogen-induced cracking''', describes the embrittlement of a metal by hydrogen. The essential facts about the nature of the hydrogen embrittlement of steels have now been known for 140 years.<ref n...")
• 12:02, 6 September 2022 Admin talk contribs deleted page Hydrogen analyzer (content was: "{{Unreferenced stub|auto=yes|date=December 2009}} A '''hydrogen analyzer''' is a device used to measure the hydrogen concentration in steels and alloys. It also has industrial applications for corrosion monitoring. ==See also== * Hydrogen embrittlement * Hydrogen leak testing * Hydrogen sensor {{DEFAULTSORT:Hydrogen Analyzer}} Category:Hydrogen technologies Category:Metallurgical processes {{Chem-stub}}")
• 12:02, 6 September 2022 Admin talk contribs deleted page Glass-ceramic-to-metal seals (content was: "{{multiple issues|{{no footnotes|date=June 2017}} {{one source|date=June 2017}}}} Glass-to-metal seals have been around for many years, with one of the most common uses being lamp bulb seals. A more recent invention is '''glass-ceramic-to-metal seals'''. ==Properties== ''Glass-ceramics'' are polycrystalline ceramic materials prepared by the controlled crystallization of suitable glasses, normally silicates. Depending on the starting glass composition and the heat-t...")
• 12:02, 6 September 2022 Admin talk contribs deleted page Fresh water (content was: "{{Short description|Naturally occurring water with low amounts of dissolved salts}} {{Redirect|Freshwater}} {{About|a naturally occurring type of water|all types of waters that are of potential use to humans|water resources}} {{Use dmy dates|date=July 2014}} {{multiple image | align = right | direction = vertical | width = | image1=Amazonas, Iquitos - Leticia, Kolumbien (11472506936).jpg | alt1 = Amazon River near Iquitos, Peru | caption1 = | image2=Cove with Shamans Rock O...")
• 12:01, 6 September 2022 Admin talk contribs deleted page Forensic engineering (content was: "{{Short description|Investigation of failures associated with legal intervention}} {{More footnotes|date=May 2014}} {{ForensicScience|disciplines|image=Dent cassee sur une roue spiro-conique.jpg}} '''Forensic engineering''' has been defined as ''"the investigation of failures - ranging from serviceability to catastrophic - which may lead to legal activity, including both civil and criminal".''<ref>{{Cite book|title=Forensic Engineering - a professional approach to investigatio...")
• 12:01, 6 September 2022 Admin talk contribs deleted page Fire protection engineering (content was: "{{Short description|Formal approach to protecting against fires}} {{redirect|Fire engineering|the magazine|Fire Engineering (magazine)}} {{More citations needed|date=July 2009}} '''Fire protection engineering''' is the application of science and engineering principles to protect people, property, and their environments from the harmful and destructive effects of fire and smoke. It encompasses engineering which focuses on fire detection, suppression and mitigation a...")
• 12:01, 6 September 2022 Admin talk contribs deleted page Fibre-reinforced plastic tanks and vessels (content was: "FRP (Fibreglass Reinforced Plastics, also known as GRP, or Glass Reinforced Plastics) is a modern composite material of construction for chemical plant equipment like tanks and vessels. Chemical equipment that range in size from less than a metre to 20 metres <ref>{{cite journal|doi = 10.1016/s0034-3617(05)70798-0 |journal=Reinforced Plastics |title= World's largest FRP acid stora...")
• 12:01, 6 September 2022 Admin talk contribs deleted page Faraday paradox (electrochemistry) (content was: "{{About|Faraday paradox in electrochemistry|Faraday paradox in electromagnetism|Faraday paradox}} {{Multiple issues| {{Refimprove|date=June 2016}} {{essay-like|date=October 2008}} }} The '''Faraday paradox''' was a once inexplicable aspect of the reaction between nitric acid and steel. Around 1830, the English scientist Michael Faraday found that diluted nitric acid would attack steel, but concentrated nitric acid would not.<ref>Digby D. Macdonald, ''P...")
• 12:01, 6 September 2022 Admin talk contribs deleted page Equations (content was: "{{Infobox person | name = Equations | image = 150px }} == Forming Equations == We need to carry out certain preliminary operations on equations before moving into actual solution. We need to form the equation ( ''samī-karaṇa, samī-kāra'' or ''samī-kriyā; from sama, eq...", and the only contributor was "[[Special:Contributions/alpha>Ramamurthy S|alpha>Ramamurthy S]]" ([[User talk:alpha>Ramamurthy S|talk]]))
• 12:01, 6 September 2022 Admin talk contribs deleted page Environmental stress fracture (content was: "{{short description|Generic name for premature failure under the influence of tensile stresses and harmful environments}} In materials science, '''environmental stress fracture''' or '''environment assisted fracture''' is the generic name given to premature failure under the influence of tensile stresses and harmful environments of materials such as metals and alloys, composites, plastics and ceramics. Meta...")
• 12:01, 6 September 2022 Admin talk contribs deleted page Electronic components (content was: "{{Navbox |name = Electronic components |state = {{{state<includeonly>|autocollapse</includeonly>}}} |title = Electronic components |listclass = hlist |groupstyle = text-align:center; |group1 = Semiconductor<br>devices |list1 = {{Navbox|child |group1 = MOS <br>transistors |list1 = *Transistor *NMOS *PMOS *BiCMOS *BioFET *Chemical field-effect transistor (ChemFET) *CMOS|...")
• 12:01, 6 September 2022 Admin talk contribs deleted page Electronegativity (content was: "{{Short description|Tendency of an atom to attract a shared pair of electrons}} {{Redirect|Electronegative|the Nightfall EP|Electronegative (EP)}} Image:Electrostatic Potential.jpg|thumb|alt=A water molecule is put into a see-through egg shape, which is color-coded by electrostatic potential. A concentration of red is near the top of the shape, where the oxygen atom is, and gradually shifts through yellow, green, and then to blue near the lower-right and lower-left corners of...")
• 12:00, 6 September 2022 Admin talk contribs deleted page Electromechanics (content was: "{{Short description|Multidisciplinary field of engineering}} {{redirect|Electro-mechanical|the use of electromechanics in arcade games|Electro-mechanical game}} thumb|A relay is a common electro-mechanical device. In engineering, '''electromechanics'''<ref>[https://books.google.com/books?id=fbdAAAAAYAAJ Course in Electro-mechanics], for Students in Electrical Engineering, 1st Term of 3d Year, Columbia University, Adapted from Prof. F.E. Nipher's "Electr...")
• 12:00, 6 September 2022 Admin talk contribs deleted page Electrical resistivity measurement of concrete (content was: "'''Concrete electrical resistivity''' can be obtained by applying a current into the concrete and measuring the response voltage. There are different methods for measuring concrete resistivity. ==Laboratory methods== ===Two electrodes=== Concrete electrical resistance can be measured by applying a current using two electrodes attached to the ends of a uniform cross-section specimen. Electrical resistivity is obtained from the equation:<ref>McCarter et al., 2009</ref> :<mat...")
• 12:00, 6 September 2022 Admin talk contribs deleted page Dimetcote (content was: "{{Short description|Used for steel corrosion resistance}} {{multiple issues|{{more footnotes|date=March 2014}} {{context|date=February 2014}} }} '''Dimetcote''' is commonly used for steel corrosion resistance. It is generally reliable under humid or corrosive conditions. Because of this, Dimetcote is widely used in ships, power generation facilities, and marine, oil, and offshore structures. == History == The Dimetcote patent was approved in 1948 by the U.S. Patent Office. Th...")
• 12:00, 6 September 2022 Admin talk contribs deleted page Digital electronics (content was: "{{Navbox | name = Digital electronics | title = Digital electronics | state = {{{state|}}} | listclass = hlist | groupstyle = text-align:center; | group1 = Components | list1 = * Transistor * Resistor * Inductor * Capacitor * Printed electronics * Printed circuit board * Electronic circuit * Flip-flop * Memory cell * Combinational logic * Sequential log...")
• 12:00, 6 September 2022 Admin talk contribs deleted page Development of Mathematics (content was: "Indian mathematics has a very old past and the history of ancient Indian mathematics dates {{Infobox person | name = Mathematics | image = Nuvola_Math_and_Inf.svg | era = Ancient Era Early & Later Classical Era Medieval Era }} back to several millennia. History of Indian mathematics can be known in...", and the only contributor was "[[Special:Contributions/alpha>Ramamurthy S|alpha>Ramamurthy S]]" ([[User talk:alpha>Ramamurthy S|talk]]))
• 11:59, 6 September 2022 Admin talk contribs deleted page Corrosion (content was: "{{short description|Gradual destruction of materials by chemical reaction with its environment}} {{For|the Front Line Assembly album|Corrosion (album)}} thumb|Corrosion on exposed metal, including a [[bolt (fastener)|bolt and nut]] {{Mechanical failure modes}} '''Corrosion''' is a natural process that converts a refined metal into a more chemically stable oxide. It is the gradual destruction of materials (usually a metal) by chemical...")
• 11:59, 6 September 2022 Admin talk contribs deleted page Corrosion engineering (content was: "'''Corrosion engineering''' is an engineering specialty that applies scientific, technical, engineering skills, and knowledge of natural laws and physical resources to design and implement materials, structures, devices, systems, and procedures to manage corrosion.<ref>{{Cite book|title=Corrosion for students of science and engineering|last=Trethewey |first=Kenneth R. |date=1988|publisher=Longman Scientific & Technical |author2=Chamberlain, John |page=2 |isbn=0582450896 |lo...")
• 11:59, 6 September 2022 Admin talk contribs deleted page Cyclic corrosion testing (content was: "thumb|Example of a Cyclic corrosion test chamber. '''Cyclic Corrosion Testing''' (CCT) has evolved in recent years, largely within the automotive industry, as a way of accelerating real-world corrosion failures, under laboratory controlled conditions. As the name implies, the test comprises different climates which are cycled automatically so the samples under test undergo the same sort of changing environment that would be encountered...")
• 11:59, 6 September 2022 Admin talk contribs deleted page Corrosive substance (content was: "{{Short description|Substance that will damage or destroy other substances by means of a chemical reaction}}{{refimprove|date=June 2014}} {{Wiktionary|corrosive}} thumb|The [[Globally Harmonized System of Classification and Labelling of Chemicals|international pictogram for corrosive chemicals.]] thumb| The [[Globally Harmonized System of Classification and Labelling of Chemicals|international t...")
• 11:59, 6 September 2022 Admin talk contribs deleted page Corrosion in space (content was: "{{short description|Corrosion of materials occurring in outer space}} '''Corrosion in space''' is the corrosion of materials occurring in outer space. Instead of moisture and oxygen acting as the primary corrosion causes, the materials exposed to outer space are subjected to vacuum, bombardment by ultraviolet and X-rays, and high-energy charged particles (mostly electrons and protons from solar wind). In the upper layers of the atmosphere...")
• 11:59, 6 September 2022 Admin talk contribs deleted page Confédération Mondiale des Activités Subaquatiques (content was: "{{short description|International organisation for underwater activities}} {{Infobox organization | name = Confédération Mondiale des Activités Subaquatiques<br>''World Underwater Federation''<br>''Confederación Mundial De Actividades Subacuáticas'' | image = Confederation Mondiale des Activites Subaquatiques logo.svg | image_border = | size = 290px | alt = CMAS Logo | caption = CMAS Logo | map...")
• 11:58, 6 September 2022 Admin talk contribs deleted page Chemical engineering (content was: "{{short description|Branch of engineering}} thumb|upright=1.15|Chemical engineers design, construct and operate process plants ([[fractionating columns pictured).]] '''Chemical engineering''' is a certain type of engineering which deals with the study of operation and design of chemical plants as well as methods of improving production. Chemical engineers develop economical commercial processes to convert raw material into useful product...")
• 11:58, 6 September 2022 Admin talk contribs deleted page Book (content was: "The author's name or a book with a single author's name appears in last name, first name format. The basic form for a ''book citation'' is:.<ref>{{Cite book|last=Sandeep|first=Sandeep|title=Tricks of the Java Programming Gurus|year=2004|isbn=1-57521-102-5|location=Kanpur|language=English}}</ref>")
• 11:58, 6 September 2022 Admin talk contribs deleted page AgInSbTe (content was: "AgInSbTe, या सिल्वर-ईण्डीयुम -एंटीमनी-टेल्यूरियम , चाकोजेनाइड ग्लास के समूह से एक चरण संक्रमण सामग्री है, जिसका उपयोग पुन: लिखने योग्य ऑप्टिकल डिस्क (जैसे सीडी-आरडब्ल्यू) और चरण-पर...")
• 11:57, 6 September 2022 Admin talk contribs deleted page ! (content was: "<includeonly>{{error|Error: The retired template {{tn|!}} has been transcluded; see mw:Help:Magic words#Other for details. To fix this, use only the code {{Magic word|!}} to generate the | character.}} Category:Pages which use a template in place of a magic word </includeonly><noinclude>{{Documentation|heading=50px|link=|alt= Magic word documentation}} </noinclude>")
• 11:56, 6 September 2022 Admin talk contribs moved page Template:Branches of spectroscopy to MediaWiki talk:Branches of spectroscopy
• 11:55, 6 September 2022 Admin talk contribs deleted page Brine mining (content was: "{{Short description|Extracting materials from saltwater}} '''Brine mining''' is the extraction of useful materials (elements or compounds) which are naturally dissolved in brine. The brine may be seawater, other surface water, groundwater, or hyper-saline solutions from several industries (e.g., textile industries).<ref>{{Cite journal|last1=Panagopoulos|first1=Argyris|last2=Haralambous|first2...")
• 11:55, 6 September 2022 Admin talk contribs deleted page Brine (content was: "{{Short description|Concentrated solution of salt in water}} {{Other uses}} {{Water salinity}} '''Brine''' is a high-concentration solution of salt (NaCl) in water (H₂O). In diverse contexts, ''brine'' may refer to the salt solutions ranging from about 3.5% (a typical concentration of seawater, on the lower end of that of solutions used for brining foods) up to about 26% (a typical saturated solution, depending on temper...")
• 11:55, 6 September 2022 Admin talk contribs deleted page Brahmagupta (content was: "Brahmagupta (c. 598 – c. 668 CE) was an Indian mathematician and astronomer. He is the author of two early {{Infobox person | name = Brahmagupta | image = 150px | birth_date = c 598 CE | death_date = c 678 CE | known_for = Zero }} works on mathematics and astronomy: the Brāhmasphuṭasiddhānta (BSS, "correctly established doctrine of Brahma", dated 628)<ref>{...")
• 11:54, 6 September 2022 Admin talk contribs deleted page Biology (content was: "{{short description|Science that studies life}} {{other uses}} {{redirect|Biological}} {{pp-semi-indef}} {{pp-move-indef}} {{multiple image|perrow=2|total_width = 270|image1=EscherichiaColi NIAID.jpg|image2=Thompson's Gazelle.jpeg|image3=Goliath beetle.jpg|image4=Tree Fern.jpg|footer=Biology deals with the study of life. * top: ''E. coli'' bacteria and gazelle * bottom: Goliath beetle and tree fern}} {{TopicTOC-Biology}} '''Biolo...")
• 11:54, 6 September 2022 Admin talk contribs deleted page Bhaskara II (content was: "{{Infobox person | name = Bhāskara II | birth_date = c 1114 AD | death_date = c 1185 AD | era = Shaka era | notable_works = Siddhānta Shiromani (Līlāvatī, Bījagaṇita, Grahagaṇita and Golādhyāya), Karaṇa-Kautūhala }} Bhāskara II  (c. 1114–1185)<ref>{{Cite web|title=Bhāskara_II|url=https://en.wikipedia.org/wiki/Bhāskara_II}}</ref>, also known as '''Bhāskarāchārya''' and as Bhāskara II to avoid confusion w...")
• 11:54, 6 September 2022 Admin talk contribs deleted page Bhaskara I (content was: "{{Infobox person | name = Bhāskara I | birth_date = c 600 CE | death_date = c 680 CE | occupation = Mathematician, Scientist | known_for = Bhaskara I's sine approximation formula }} Bhāskara I (Not the author of Līlāvatī)<ref>{{Cite book|title=A Primer to Bhāratīya Gaṇitam , Bhāratīya-Gaṇita-Praveśa- Part-1|publisher=Samskrit Promotion Foundation|year=2021|isbn=978-81-951757-2-7}}</ref> was a famous astronomer during...")
• 11:54, 6 September 2022 Admin talk contribs deleted page Bakhshali Manuscript (content was: "{{Infobox person | name = Bakshali Manuscript | image = Bakhshali manuscript.jpg }} The '''Bakhshali manuscript''' is an ancient Indian mathematical text written on birch bark that was found in 1881<ref>{{Cite book|last=C N|first=Srinivasiengar|title=The History of Ancient Indian Mathematics|publisher=The World Press Private Limited|year=1967|location=Calcutta|pages=29}}</ref> in the village of Bakhshali, Mardan (near Peshawar in present-day Pakistan...")
• 11:54, 6 September 2022 Admin talk contribs deleted page Bacterial anaerobic corrosion (content was: "'''Bacterial anaerobic corrosion''' is the bacterially-induced oxidation of metals. Corrosion of metals typically alters the metal to a form that is more stable. Thus, bacterial anaerobic corrosion typically occurs in conditions favorable to the corrosion of the underlying substrate. In humid, anoxic conditions the corrosion of metals occurs as a result of a redox reaction. This redox reaction generates molecular hydrogen from local hyd...")
• 11:54, 6 September 2022 Admin talk contribs deleted page Aryabhata (content was: "Āryabhaṭa (476–550 CE) <ref>{{Cite web|title=Aryabhata|url=https://en.wikipedia.org/wiki/Aryabhata}}</ref>was an Indian mathematician and astronomer of the classical age {{Infobox person | name = Āryabhaṭa | image = 150px | birth_date = 476 CE | birth_place = Kusumapura (Pataliputra) | death_date = 550 CE | death_place = Pataliputra | era = Gupta Era | notable_works...")
• 11:54, 6 September 2022 Admin talk contribs deleted page Algebra (content was: "'''Algebra''' is one of the broad areas of Mathematics. The Hindu name for the science of algebra is bījagaṇita. Bīja means "element" or {{Infobox person | name = Algebra | image = Quadratic root.svg | alt = Algebra }} "analysis" and gaṇita means " the science of calculation". Bījagaṇita lit...", and the only contributor was "[[Special:Contributions/alpha>Ramamurthy S|alpha>Ramamurthy S]]" ([[User talk:alpha>Ramamurthy S|talk]]))
• 11:34, 6 September 2022 Indicwiki talk contribs imported राडार from alpha:राडार (1 revision)
• 11:32, 6 September 2022 Indicwiki talk contribs imported प्रारंभ करनेवाला from alpha:प्रारंभ करनेवाला (1 revision)
• 11:31, 6 September 2022 Indicwiki talk contribs imported प्रत्यावर्ती धारा from alpha:प्रत्यावर्ती धारा (62 revisions)
• 11:29, 6 September 2022 Indicwiki talk contribs imported प्रकाशिकी from alpha:प्रकाशिकी (7 revisions)
• 11:27, 6 September 2022 Indicwiki talk contribs imported Technical from alpha:Template:Technical (1 revision)
• 11:27, 6 September 2022 Indicwiki talk contribs imported गांठदार-तत्व मॉडल from alpha:गांठदार-तत्व मॉडल (1 revision)
• 11:24, 6 September 2022 Indicwiki talk contribs imported संचरण लाइन from alpha:संचरण लाइन (1 revision)
• 11:24, 6 September 2022 Indicwiki talk contribs imported वेक्यूम - ट्यूब from alpha:वेक्यूम - ट्यूब (2 revisions)
• 11:22, 6 September 2022 Indicwiki talk contribs imported माइक्रोवेव from alpha:माइक्रोवेव (6 revisions)
• 11:21, 6 September 2022 Indicwiki talk contribs imported पासबैंड from alpha:पासबैंड (1 revision)
• 11:21, 6 September 2022 Indicwiki talk contribs imported चेबीशेव फ़िल्टर from alpha:चेबीशेव फ़िल्टर (1 revision)
• 11:20, 6 September 2022 Indicwiki talk contribs imported ठूंठ (इलेक्ट्रॉनिक्स) from alpha:ठूंठ (इलेक्ट्रॉनिक्स) (1 revision)