羥化物 的英文怎麼說
中文拼音 [qiǎnghuàwù]
羥化物
英文
hydroxyd-
Such complexes might have affinity for detrimental inorganic oxyanions such as arsenate, a common toxic contaminant in soils. the purpose of this study is to investigate the influence of environmental conditions on the adsorption of arsenate on fe - oxyhydroxide - monlmorillonte complexes, which is significant to agrology, geochemistry and environmental science
本研究即以南方的土壤環境條件為參考,模擬在ph = 5時的酸性氧化條件下,土壤中低聚合羥基鐵?蒙脫石復合體的形成、物化性特徵及其吸附砷酸根陰離子的行為。Synthesis of azoic mesomorphic compounds containing hydroxyl groups and their phase behavior
含羥基偶氮類介晶化合物的合成及相變行為研究The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。Study on the synthesis and antimicrobial activities of brominated dihydroxy diphenyl ethers
溴代二羥基二苯醚類化合物的合成與抑菌活性研究The surface lipids undergo oxidation generating many compounds containing hydroxyl and carbonyl groups.
表面的類脂物氧化后,產生許多化合物,包括羥基和羰基化合物。The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups.
表面的類脂物氧化后,產生許多化合物,包括羥基和羰基化合物。The 10 chemicals for which we have prescribed mrl are cloxacillin, dicloxacillin, ampicillin, amoxycillin, benzylpenicillin, sulfonamides, chlortetracycline, oxytetracylcine, doxycycline and tetracycline, " the spokesman said
這十種化學物分別為鄰氯青霉素、雙氯青霉素、氨芐青霉素、羥氨芐青霉素、芐青霉素、磺胺類藥、金黴素、土霉素、強力黴素及四環素。Methods pinocembrin and its derivatives were synthesized with 2, 4, 6 - trihydroxy - phenylethanone as the starting material via four steps including protection of the hydroxy - group, condensation, cyclization and deprotection
方法以2 , 4 , 6 -三羥基苯乙酮為起始原料,經羥基保護、縮合、環化、脫保護合成目標化合物。Cyanohydrins are biologically active compounds used in synthesis of - amino alcohols, - hydroxy ketones and - hydroxy acids, which have importance as fine chemicals, pharmaceuticals and agrochemicals
氰醇是合成-氰基醇類, -羥基酮類及酸類化合物的重要生物活性物質,這些化合物又是精細化工、制藥和農用化學品領域的重要原料和中間體。Test methods for acid value, saponification value, ester value, iodine value, hydroxyl value and unsaponifiable matter of chemical products
化學製品的酸值皂化值酯值碘值羥基值及不皂化物的試驗方法Two kinds of flavonoids in water extracts, water - extraction and alcohol precipitation, alcohol extracts were found by paper chromatography. they were separated and purified by thin - layer chromatography, one of which was primarily identified by uv as 4 ", 5 - dihydroxy - flavonol etherification or 4 ", 5, 8 - trihydroxy - flavonol etherification
水提物、水提醇沉物、醇提物等3種提取物紙層析結果顯示有兩種黃酮類化合物,經薄層層析分離純化,並進行紫外光譜分析,初步測定其中一組分為4 , 5 -二羥基黃酮醇醚或4 , 5 , 8 -三羥基黃酮醇醚。( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
( 3 )用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物,與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜,制備了一種苯並蒽酮schiff堿光化學傳感器,可用於單質碘的測定。Aromatics. determination of carbonyl value and carbonyl compounds content. free hydroxylamine method
香料羰值和羰基化合物含量的測定游離羥胺法Uses : used as desizing agent and bleach activator ; used in the oxidation and degradation of waste materials in pools and the closed and circling water ; used in modification of starch, production of bonds and coating materials ; used in the oxidation of alcohol and linalool ; used as an essential component of bleaching formulations for hair cosmetics
用途:用於脫漿劑和漂白活性劑;用於水池及封閉循環處理水中有害物質的氧化降解;是生產澱粉的調節劑,並應用於粘合劑的塗料生產中;用於支鏈氧化、乙醇和芳香族羥基氧化;染發劑的基本成分之一,起脫色作用。By controlling those parameters, the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced, the performances of product also improved
通過控制這些因素提高了密胺樹脂高效減水劑的羥甲基化率和磺化率,改善了產物性能。According to the sweeteners in food regulation cap. 132u, sweetener means any chemical compound which is sweet to the taste, but does not include any sugars or other carbohydrates or polyhydric alcohols
根據食物內甜味劑規例第132u章, 「甜味劑」是指任何帶甜味的化合物,但不包括糖或其他碳水化合物或多羥醇。Apart from geochemists from western countries, which paid a particular attention on amorphous iron - manganese oxides extracted by enzyme or 0. 1 ~ 0. 25m nh2oh ? hc1, our results show that the extraction of metals adsorbed by clay and bound to the carbonate in soil is most useful to identify the concealed mineralizations in the semiarid and loess covered terrains, northern china
但與國外重點關注非晶質鐵錳氧化物如酶、鹽酸羥氨提取結果不同,在我國北方半乾旱黃土覆蓋景觀區,粘土吸附和碳酸鹽結合態金屬元素的提取為最有效的提取步驟。而游離態、有機結合態的提取效果則受景觀控制變化較大。The product can be used in plastics, varnishes, enamel, cosmetics, textiles, printings, etc. the laboratory experiments were made on the hydrolysis of ticl4 solutions and deposition films of titanium hydroxides and oxyhydroxides onto the mica powder. and mainly studied the structure transformation of hydrolysis and deposition of the ticl4 solutions and the dehydrolysis of the titanium hydroxides and oxyhydroxides under the sinter processing. exclude mica powder, the specifically hydrolysis and deposition of some other metal salt such as fecl3 solutions and the dehydrolysis of the metal hydroxides and oxyhydroxides under the hydrothermal processing were also studied
本實驗採用金屬鹽水解沉澱法,在雲母粉表面鍍覆tio _ 2 、 fe _ 2o _ 3 、 cr _ 2o _ 3 、 co _ 2o _ 3等不同的系列金屬氧化物薄膜,通過實驗室和中間試驗研究了雲母珠光顏料的全部製作過程,並重點研究分析了鍍膜過程中偏鈦酸沉澱物自ticl _ 4溶液中水解析出的結構變化過程以及焙燒過程中氫(羥)氧化鈦縮合脫水生成氧化鈦的結構變化過程。Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg
通過聚乙二醇與過量的丙烯酸採用全連續法進行反應,測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程,而利用紅外光譜( ir )分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱,而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢:隨著酯化時間的延長和聚乙二醇分子量的增大,產生的「酯化水」逐漸增加,酯化產物的酸值逐漸降低;從酯化時間看,當反應時間達到300min時,酯化物的酸值達到最小,而從ir分析來看,酯化物pea4的羥基峰在300min時減弱到最小, pea23在120min時羥基峰的表現出酯化基本完全。Referenced the correlation studies on the other literatures, the common characteristic of hydrolysis of metal salt solution and the dehydrolysis of metal hydroxides and oxyhydroxides by the hydrothermal method have been summarized. we have made a lot of factory experiments on the hydrolysis of ticl4 solutions and deposition the films of titanium hydroxides and oxyhydroxides on the mica powder
另外還排除雲母基片,專門對金屬鹽水解沉澱生成氫氧化物,以及由氫氧化物縮合脫水生成羥氧化物至氧化物的結構變化過程進行了研究,並結合國外文獻介紹的其它金屬羥氧化物研究,總結了金屬鹽水解沉澱變化過程的共性特點。分享友人