Information om | Engelska ordet R'

Exempel på hur man kan använda R' i en mening

• In organic chemistry, an amide, also known as an organic amide or a carboxamide, is a compound with the general formula , where R, R', and R″ represent any group, typically organyl groups or hydrogen atoms.
• In organic chemistry, a ketene is an organic compound of the form , where R and R' are two arbitrary monovalent chemical groups (or two separate substitution sites in the same molecule).
• Transesterification is the process of exchanging the organic functional group R″ of an ester with the organic group R' of an alcohol.
• In organic chemistry, an oxime is an organic compound belonging to the imines, with the general formula , where R is an organic side-chain and R' may be hydrogen, forming an aldoxime, or another organic group, forming a ketoxime.
• It features CMOS 'Exmor R' sensor, dual LED flash, ISO 12800, WIN HIGH SPEED service, and waterproof design.
• In different designs there are differences in the definitions of the R, G, and B chromaticity coordinates, the reference white point, the supported gamut range, the exact gamma pre-compensation functions for deriving R', G' and B' from R, G, and B, and in the scaling and offsets to be applied during conversion from R'G'B' to Y′CbCr.
• His father R' Moshe ben Levi Najara was born in Salonica, and in his later years moved with his family to Safed and was involved with the kabbalistic circles of the Arizal.
• His paternal lineage traces back to Rabbi Elchanan of Berlin, known as "R' Elchanan Ba'al HaTosafot" due to his profound Torah knowledge, comparable to that of the Tosafists.
• " When R' Moshe Isserles' gloss to the Shulḥan Arukh (called Mappah) appeared in Cracow in 1578, Rabbi Yoffe felt that Rabbi Isserles had been too brief as had Rav Yosef Caro in the Shulḥan Arukh, and decided to resume his original work, "that will be midway between the two extremes: the lengthy Beit Yosef of Caro on the one hand, and on the other Rav Yosef Caro's Shulḥan Arukh together with the Mappah of Rabbi Isserles, which is too brief.
• In the preface of the book the publisher writes that the author himself admitted once that when he was young (18 years old when he went to study in the university of Padua) he used to mock the Kabbalah and fiercely opposed those who studied it, but when he turned twenty seven he had a change of heart when he met two great philosophers, R' Yaakov ibn Nachmias and R' Shlomo Aravi, who were also firm adherents of the Kabbalah and they showed him how closely it resembles the philosophy of Plato, since then there was a renewed spirit within him.
• Regarding the question of whether all affectionate contact is forbidden, or only lustful sexual contact, R' Aharon Lichtenstein ruled that even non-sexual affectionate contact is forbidden.
• In this general Michael addition scheme, either or both of R and R' on the nucleophile (the Michael donor) represent electron-withdrawing substituents such as acyl, cyano, nitro, or sulfone groups, which make the adjacent methylene hydrogen acidic enough to form a carbanion when reacted with the base, B:.
• The chemical reaction associated with this method of analysis involves formation of the diiodo alkane (R and R' symbolize alkyl or other organic groups):.
• The formula of a xanthic acid is , such as ethyl xanthic acid, while the formula of an ester of a xanthic acid is , where R and R' are organyl groups.
• R' Yochanan Perlow (1900–1956) of Stolin Loitzk - later the Grand Rebbe of Karlin-Stolin in America, youngest son of Yisrael Perlow of Stolin; his daughter, Feiga, and her husband Ezra Shochet were the parents of Baruch Meir Yaakov Shochet.
• Rabbi Judah ben Bava was caught by Hadrian's soldiers while ordaining his students Rabbi Meir, Rabbi Judah ha-Nasi, R' Shimon bar Yochai, R' Jose ben Halafta, and R' Elazar ben Shamua in a place between Usha and Shefaram.
• Derivatives are known where the substituents are the same, symmetrical dithiolenes (R = R') are more common than unsymmetrical.
• These included Rabbi David Yefalah, R' David Elqayim, and R' David Afriat, all from Essaouira, and R' Hayyim Atar from Marrakesh.
• The starting point for the collection of the substituent constants is a chemical equilibrium for which the substituent constant is arbitrarily set to 0 and the reaction constant is set to 1: the deprotonation of benzoic acid or benzene carboxylic acid (R and R' both H) in water at 25 °C.
• The halide X' in the organozinc compound can be chloride, bromine or iodine and the organic residue R' is alkenyl, aryl, allyl, alkyl, benzyl, homoallyl, and homopropargyl.

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