WordNet
- any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia" (同)alkali
- (numeration system) the positive integer that is equivalent to one in the next higher counting place; "10 is the radix of the decimal system" (同)radix
- the bottom side of a geometric figure from which the altitude can be constructed; "the base of the triangle"
- situate as a center of operations; "we will base this project in the new lab"
- a place that the runner must touch before scoring; "he scrambled to get back to the bag" (同)bag
- installation from which a military force initiates operations; "the attack wiped out our forward bases" (同)base of operations
- a support or foundation; "the base of the lamp" (同)pedestal, stand
- (electronics) the part of a transistor that separates the emitter from the collector
- a flat bottom on which something is intended to sit; "a tub should sit on its own base"
- the principal ingredient of a mixture; "glycerinated gelatin is used as a base for many ointments"; "he told the painter that he wanted a yellow base with just a hint of green"; "everything she cooked seemed to have rice as the base"
- the place where you are stationed and from which missions start and end (同)home
- (anatomy) the part of an organ nearest its point of attachment; "the base of the skull"
- the bottom or lowest part; "the base of the mountain"
- illegitimate (同)baseborn
- of low birth or station (`base is archaic in this sense); "baseborn wretches with dirty faces"; "of humble (or lowly) birth" (同)baseborn, humble, lowly
- not adhering to ethical or moral principles; "base and unpatriotic motives"; "a base, degrading way of life"; "cheating is dishonorable"; "they considered colonialism immoral"; "unethical practices in handling public funds" (同)immoral
- having or showing an ignoble lack of honor or morality; "that liberal obedience without which your army would be a base rabble"- Edmund Burke; "taking a mean advantage"; "chokd with ambition of the meaner sort"- Shakespeare; "something essentially vulgar and meanspirited in politics" (同)mean, meanspirited
- (used of metals) consisting of or alloyed with inferior metal; "base coins of aluminum"; "a base metal"
- debased; not genuine; "an attempt to eliminate the base coinage"
- the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion (同)ammonium_ion
- having a base; "firmly based ice"
- having a base of operations (often used as a combining form); "a locally based business"; "an Atlanta-based company"; "carrier-based planes"
- last 2 million years (同)Quaternary_period, Age of Man
PrepTutorEJDIC
- 《文》(人や人の行動・孝えが)『卑しい』,下劣な / (金属が)質の劣った;(貨幣が)粗悪な
- 『基礎』,根拠 / 『基部』,基底,土台 / 『根拠地』,基地 / (野球の)塁,ベース / 主成分;塩基(酸と反応シテ塩(官)を生じる化合物) / (数学で図形の)底;底辺;基線 / (…に)…‘の'『基礎をおく』《+『名』+『on』(『upon』)+『名』》
- アンモニウム,アンモニア塩基
- (地児時代の)第四紀 / 第四紀の
- basisの複数形
UpToDate Contents
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- 1. 出産時の臍帯血酸塩基分析 umbilical cord blood acid base analysis at delivery
- 2. 単純性および混合性酸塩基障害 simple and mixed acid base disorders
- 3. 酸塩基障害におけるカリウムバランス potassium balance in acid base disorders
- 4. 遠位（I型）および近位（II型）尿細管性アシドーシスの病因および診断 etiology and diagnosis of distal type 1 and proximal type 2 renal tubular acidosis
- 5. 下痢に伴う酸塩基および電解質の異常 acid base and electrolyte abnormalities with diarrhea
English Journal
- Ammonium metabolism in humans.
- Adeva MM, Souto G, Blanco N, Donapetry C.SourceHospital General Juan Cardona, La Coruña, Spain. madevaa@yahoo.com
- Metabolism: clinical and experimental.Metabolism.2012 Nov;61(11):1495-511. doi: 10.1016/j.metabol.2012.07.007. Epub 2012 Aug 24.
- Free ammonium ions are produced and consumed during cell metabolism. Glutamine synthetase utilizes free ammonium ions to produce glutamine in the cytosol whereas glutaminase and glutamate dehydrogenase generate free ammonium ions in the mitochondria from glutamine and glutamate, respectively. Ammoni
- PMID 22921946
- Phase-transfer catalytic dichlorocyclopropanation of styrene under the influence of ultrasound conditions - A kinetic study.
- Wang ML, Prasad GS.SourceDepartment of Environmental Engineering, Hungkuang University, Shalu, Taichung County 433, Taiwan, ROC. chmmlw@sunrise.hk.edu.tw
- Ultrasonics sonochemistry.Ultrason Sonochem.2012 Nov;19(6):1139-43. doi: 10.1016/j.ultsonch.2012.02.010. Epub 2012 Mar 7.
- The kinetics for dichlorocyclopropanation of styrene with an excess of chloroform were studied under phase-transfer catalysis and ultrasound irradiation conditions using aqueous sodium hydroxide as the base and benzyltriethylammonium bromide as a catalyst. The reaction was carried out at 35°C under
- PMID 22472498
- CO2 copolymers from epoxides: catalyst activity, product selectivity, and stereochemistry control.
- Lu XB, Ren WM, Wu GP.SourceState Key Laboratory of Fine Chemicals, Dalian University of Technology, China. lxb-1999@163.com
- Accounts of chemical research.Acc Chem Res.2012 Oct 16;45(10):1721-35. doi: 10.1021/ar300035z. Epub 2012 Aug 2.
- The use of carbon dioxide as a carbon source for the synthesis of organic chemicals can contribute to a more sustainable chemical industry. Because CO(2) is such a thermodynamically stable molecule, few effective catalysts are available to facilitate this transformation. Currently, the major industr
- PMID 22857013
Japanese Journal
- 塩基を必要としない中性相間移動反応系の発見と展開
- 白川 誠司
- 有機合成化学協会誌 72(12), 1374-1383, 2014
- … Although quaternary onium salts-catalyzed phase-transfer reactions are generally believed to require base additives, we discovered even without any base additives conjugate additions of 3-substituted oxindoles to nitroolefins proceeded smoothly in the presence of lipophilic quaternary ammonium bromide under water-organic biphasic conditions. …
- NAID 130004749133
- イオン交換樹脂触媒を用いたフルフラールとアセトンのアルドール縮合反応
- 高津 淑人,井上 裕介
- 日本エネルギー学会誌 93(12), 1236-1243, 2014
- バイオマス資源がフラン化合物を経てドロップイン燃料へと変わる触媒反応プロセスにおいて，フラン化合物とアセトンの水相アルドール縮合は目的生成物の炭素数制御を担う。この反応に対するイオン交換樹脂の触媒性能を調べた。フラン化合物にはフルフラールを使用し，40℃常圧の条件で反応実験を操作した。塩基特性が異なる３種類のイオン交換樹脂を用いた反応実験の結果は，第4 級アンモニウム塩からなる官能基が多いほど高活 …
- NAID 130004741219
- ハロゲンをLewis酸中心として活用する高選択的有機変換反応の開発
- 石原 一彰
- 有機合成化学協会誌 72(2), 137-148, 2014
- … Chiral quaternary ammonium iodide has been developed as a precursor of iodine(I) catalyst for the enantioselective dehydrogenative carbon-oxygen coupling reaction in the presence of hydrogen peroxide or tert-butyl hydroperoxide (TBHP). … Several chiral phosphorous compounds have been developed as chiral nucleophilic base catalysts for the biomimetic enantioselective iodocyclization, bromocyclzation, and protocyclization of polyprenoids. …
- NAID 130003395380
Related Links
- quaternary ammonium base [′kwät·ən‚er·ē ə mō·nē·əm ′bās] (organic chemistry) Ammonium hydroxide (NH 4 OH) with the ammonium hydrogens replaced by organic radicals, such as (CH 3) 4 NOH.
- (KudoZ) 日本語 から 英語 translation of 4級アンモニウム塩基: quaternary ammonium base [chemistry - 化学、化学工学 (技術/工学)]. ... 説明： Here's a website with the definition. http://ejje.weblio.jp/content/四級アンモニウム塩基
Related Pictures
★リンクテーブル★
| リンク元 | 「四級アンモニウム塩基」 |
| 関連記事 | 「base」「ammonium」「quaternary」 |
「四級アンモニウム塩基」
「base」
- n.
- 関
- basal、base、basement、basic、basis、element、elementary、evidence、foundation、fundamental、fundamentals、fundus、ground、infrastructure、reason
「ammonium」
- 同
- NH4+
「quaternary」
- 四次の、(化学)第四級の、四級の