单词 | Oxidation |
例句 | (1) Thiol oxidation, lipid peroxidation, and activation of hepatic macrophages also occur. (2) Oxidation of hops causes a loss and alteration of flavours. (3) Oxoanions are given the numerical value of the oxidation number of the element which combines with oxygen in the ion. (4) Valencies sometimes have the same numerical values as oxidation numbers - but not always. (5) Thus a high oxidation state is associated with a high binding energy, as expected. (6) Oxidation is simply the reaction of oxygen with some other compound. (7) Fire is an example of rapid oxidation, while rust is indicative of slow oxidation. (8) Oxidation acts as a weathering process in two distinct ways. (9) This enzyme catalyzes the oxidation of succinic acid. (10) The first catalytic converters were called conventional oxidation catalysts. (11) Keep pliability and have the function of resist oxidation. (12) Aryl disulfides, for example, inhibit polyolefin oxidation. (13) The anodic oxidation of lead sulphate is well known. (14) The flue gas generated in the process of oxidation roasting was absorbed by a lower pyrolusite pulp, and sulfur was recovered. (15) The method of photocatalytic oxidation, which is used for contamination's deep depuration, is a new technology in environmental contamination treatment technology. (16) Most silver ores in dispersive state exist in oxidation manganic minerals(62.79%), others exist in sulfide mineral(28.65%), and few or no silver chloride and natural silver. (17) To tackle the key problems, the target is oxidation reactor, the hydrogenated purifier, crystallizer and solvent dehydrator. (18) A catalyst was applied in the oxidation process to remove sulfides from sulfur-containing caustic sludge produced in gasoline and LPG desulfurization operations. (19) The effect of additive CTAB on chemical oxidation rates and the effect of externally added H_2O_2 on selectivity of cathodic electrosynthesis have been investigated. (20) Oxidative charge-transfer processes are observed in the spectra of complexes of low oxidation state metals with organic amines, such as. (21) Thus inhibition of this enzyme may result in the accumulation of hydrogen peroxide with subsequent oxidation of lipids. (22) Such ions take the name of the element followed by a Roman numeral in parentheses indicating the oxidation number of the ion. (23) Cyanobacteria still exist today, like the purple sulphur bacteria which glean hydrogen from hydrogen-sulphide to provide sulphur compounds as oxidation products. (24) In organic chemistry it is thus more convenient to describe carbon in terms of its valency than its oxidation numbers. (25) With well-suited amount of Si 3N 4 added, the oxidation loss rate of aluminum-carbon bricks can be decreased, and their anti-oxidation ability and corrosion resistance improved. (26) Can be used to assay SOD activity by means of pyrogallol oxidation? (27) A new technology for fabrication of silica on silicon arrayed waveguide grating (AWG) based on deep etching and thermal oxidation is presented. (28) The preparation method of oxalic acid from beet residues with a hydrolysis - oxidation - hydrolysis process was studied. (29) The results indicated that GSP had the function of reducing blood lipid and anti oxidation function. (30) A comparison of the study on the crystallization of the glasses in argon with that in the air suggests that the second exothermal peaks are oxidation peaks. (31) The effects of surface thermal oxidation on the minority carrier lifetime of Czochralski (CZ) silicon wafers are investigated by photoconductive decay (PCD) method. (32) Through practical operation, the authors introduced that adopting swirl separation technology can solve the problem that naphthene oxidation device' waste lye can not be separated completely. (33) The biological contact oxidation method for treating yeast wastewater was investigated. Removals of BOD, COD and colority were more than 98%, 65% and 20%, respectively. (34) The research was the first pilot-scale experiment of low-pressure oxidation (LPO) of municipal sewage sludge. (35) The existence of active hydrocarbons and other non-hydrocarbons in diesel has great effect on the oxidation of thiols . (36) The final product of the methanol oxidation is CO 2. (37) Conclusions— Treatment with N-acetylcysteine, a safe prodrug against oxidation, reversed established cardiac phenotype in a transgenic rabbit model of human HCM. (38) Three steps are needed by using "total number of rising and dropping oxidation number" to balance equation. (39) Their structures were confirmed by IR, HNMR and elemental analyses and their phase transfer ability for the reaction of N alkylation, O alkylation and oxidation were also determined. (40) OBJECTIVE:To explore the effect of the supplement of lactalbumin, oxidation inhibitor, energy substance, Chinese herbs and sports drink on anti-fatigue. (41) This investigation deals with the formation mechanism of tantalum anode oxidation membrane. (42) In this paper factors affecting oxidation pretreatment in processing camel hair with proteolytic enzyme were studied. The reduction in mass, diameter induced by the treatment were estimated. (43) It has been found that the oxidation of succinate was inhibited by amytal plus isocitrate. (44) There are a few main degradation mechanisms:thermal degradation, chemical degradation, oxidation, microbial degradation and hydrolysis. (45) Photocatalysis as one of advanced oxidation AOPs has good prospect on environmental protection. (46) Carnauba wax substitute was synthesized from paraffin and microcrystalline wax by oxidation with pure oxygen and esterification. (47) Glucose oxidase consume oxygen in the process of glucose oxidation. (48) The oxidation, displacement and esterification of aromatic amines ,[] aromatic amides and organic boranes using sodium perborate as oxidizing agent were reviewed. (49) The process of epoxyethane production by ethylene oxidation is numerically simulated by using the steady operation technique with simultaneous modular approach. (50) But the result of chemical oxidation is worse than that of BTA and chromate passivation. (51) Ordinarily, standard ferrous sulfate loses strength with age, due to air oxidation. (52) The results showed that reducing trend of heavy oil flux about oxidation period of rotary anode furnace in copper refining was quite obvious, its saving energy w... (53) Objective It is to select the best method to determine bilirubin through technology comparison between vanadic acid oxidation method, improved J-G method and Bilirubin Oxidase method. (54) The oxidation peak current for pyrogallol at the MWNT-modified GCE increased significantly compared with that at the bare GCE. (55) It was proved that catechin and epicatechin had a leading role during the final fermentation and storage of ciders in the process of non-enzymatic oxidation. (56) We should guarantee proper functioning of chemical and biological oxidation processes. (57) Gules fruit includes tomato, pomegranate to wait, its germ is kind of carotene, have fight oxidation. (58) Each electrode is impregnated with a catalyst to speed the oxidation reduction or half reaction. (59) Transitional metals ( Fe 3 + ) play an extremely important role in catalyzing CLA oxidation. (60) The oxidation further enhances the physical properties of carbon black filled nitrile butadiene rubber ( NBR ) . (61) Based on comparison of different options, it is decided to apply hydrolytic acidation - biological contact oxidation process to the treatment of pharmacy wastewater. (62) The advances in the study on oxidation of aromatic compound was reviewed, and an approach to resolve the existing problems was proposed. (63) Thymus extraction can reduce the rate of lipid oxidation and rancidity during Chinese sausage storage. (64) Laboratory studies have shown that sodium sulfide or the sodium hyposulfite can be oxidized to elemental sulfur by strain 1 or strain 2, they can obtain energy from the oxidation. (65) The synthesis ofm—Cresol from o—toluic acid by air oxidation was studied in a 1 liter reactor under vigorous stirring conditions in order to eliminate film resistances. (66) We propose that the oxidant is activated on active iron or copper sites with peculiar structures and oxidation states, forming active oxygen species responsible for the epoxidation of propylene. (67) Selective oxidation of carbon anode in aluminum electrolysis caused by reactivity difference between pitch coke and petroleum coke is one of the main causes for excess carbon consumption. (68) Extraction of the juice should be done rapidly to avoid oxidation and maceration. (69) Encouraging results have also been obtained with the anodic plasma - oxidation technique for nonrecessed oxides. (70) Hydroxide radical is an inartificial atomic cluster with violent ability of oxidation. (71) The article introduces the operation principle of an automatic interlock protection device designed for ensure long period running of oxidation furnace. (72) The levels of lipid oxidation of dry-cured duck became more serious characterized by the increases in the peroxide value, TBARS value, carbonyl compounds and conjugated dienes during processing. (73) The XANES analysis results indicate that the total relative content of low oxidation states sulfur increases and the relative content of sulfate sulfur apparently decreases. (74) Complexation with metal elements, it can also be used as sensitizer of fluorescence materials and catalyst of organic oxidation reaction. As a result of that, it attracts more and more attention now. (75) An orange-red to grayish yellow mixture of several uranium oxides, silicates, and salts occurring naturally in the oxidation and hydration of uraninite. (76) The alkaloid in embryo of the seed of Nelumbo nucifera Gaertn has many medicinal and health care functions, such as lowering blood pressure,[http:///oxidation.html] resisting oxidation and protecting the cardiac muscle. (77) Methods serum TG, CHOL, HDL-C were detected in 68 patients with CHD by using enzymatic method and TBIL by vanadate oxidation method. (78) The test results provided important evidences for the free radical chain mechanism of sulfite oxidation and an effective method for preventing sulfite failure in storage. (79) Through performing for two years, approach on the design, effective control and operating management of acidulating reactor and oxidation reactor have been con... (80) The invention not only can effectively purify the oxidation state mercury in the smoke, but also can effectively purify the element state mercury. (81) The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture. (82) This paper introduces the equipments of Aerator in the oxidation ditch and abroad, and compares them. (83) Jarosite is a major secondary mineral formed in acid supergene environment by oxidation of metal sulphide. (84) The species of microzoon observed in oxidation ditch have totalled 56 kinds since Handan WWTP operation, and the paper supplies dominant species of microzoon in ditch under normal operation. (85) It was formerly derived by fermentation of carbohydrates but is now made synthetically by aldol condensation of acetaldehyde or by oxidation of petroleum gases. (86) Lipids with high PUFAs content are susceptible to oxidation and it is reported that the oxidation of an unsaturated substrate in aqueous solution is different from that in bulk oil. (87) The performance valuation and analysis was reviewed to the mechanics property, oxidation resistance, hot corrosion resistance, erosion resistance, and thermal property of thermal barrier coatings. (88) The mechanism of autoxidation in food fats and oils, the measurment for extent of oxidation, and the uses of antioxidants are discussed. (89) The electrochemical oxidation of quercetin ( QUE ) at a glassy carbon electrode has been investigated. (90) Acidulated waster water is treated through the combination method of H2O2 oxidation and active carbon adsorption during the experiment, and the optimal process condition is determined. (91) The highly concentrated cosmetic wastewater can be treated by anaerobic - contacting oxidation - ozone - biological aerated filter ( BAF ). (92) Carbon dioxide is a necessary result of the oxidation of carbon compounds. (93) The optimal oxidation condition was determined by thermal analysis and elemental analysis. (94) A new imidazole-dicarboxylate ligand 2-methyl-1H-imidazole-4,5-dicarboxylic acid(L) was purposely synthesized by condensation and oxidation reactions based on o-phenylenediamine and malonic acid. (95) The oxidation of isosafrole is reaction with anhydride - acetone, anhydride - acetic acid, sodium bichromate - sulfuric acid and so on. (96) Removal rates of COD from the acid black 10B dye simulated wastewater in different conditions of magnetic-assisted reaction time, intensity of magnetic field, catalyst oxidation were studied. (97) An alkaline soluble polysaccharide has been isolated by the alkaline extraction from phellinus Linteus. Its structure has been determined by periodate oxidation , etc. (98) The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups. (99) Dust can easily lead to poor contact socket and board, In addition, some cards on the motherboard, the form of chip pins, and is often due to oxidation and poor contact pin. (100) The voltammetric behavior and oxidation mechanism of loperamide were investigated by cyclic voltammetry and coulometry at a multi-wall carbon nanotube paste electrode(MCNT-PE). (101) Methods: Copper induced LDL oxidation and Rose Bengal system in vitro were used. (102) Objective: To study the chronic toxicity of oxidation hairdyes to uterine tube of guinea pigs. (103) The oxidation stability of ferrous glycinate was evaluated by storage test as well as its influence on stability of vitamin A in fortified rice flour. (104) The photocatalytic reactivity of the samples were tested by the gas - phase photocatalytic oxidation of heptane. (105) The thermal oxidation kinetics for tuna oil was studied by differential scanning calorimetry ( DSC ). (106) While beef slices were treated with microwave heating and UV irradiation, their trans fatty acid content were found to be decreased due to the oxidation of unsaturated fatty acid. (106) try its best to collect and create good sentences. (107) Methods Vanadate oxidation of serum total bilirubin, and dichloroaniline law and the law of JG improved results. (108) It is showed that under optimum condition, the yield ofp-chlorobenzaldehyde is 20% of 28% via air or dioxygen oxidation under ordinary pressure, 34% under 0.3Mpa via dioxygen oxidation. (109) Objective To study the influence of solid oxidation potential disinfectant on egg laying of hens. (110) The deep oxidation and groundwater leaching solubilizes much of the loosely bound uranium. (111) The Paper puts forward an argument that the rule of the dynamic curve of oxidation is of transforming from parabola into logistic curve and the composition condition of the transformation. (112) High-temperature ageing could promote lipolysis and speed the oxidation of unsaturated fatty acid, and decrease the content the polyunsaturated fatty acid and TBARS value significantly. (113) A model system consisting of linoleic acid, lipoxygenase and soybean protein isolate was established to investigate the mechanism of aggregation of soybean proteins induced by lipid oxidation. (114) The effects of antioxidants on lipid oxidation of vacuum packaged irradiated cooked streaky pork were studied. (115) As a result, the heating capacity and quality of heating furnace is improved, the slab surface oxidation burning loss is decreased and the gas consumption reduced and the economic benefit remarkable. (116) General natural graphite was modified by liquid phase oxidation method using cerium sulfate as an oxidant. (117) The effects of temperature and air speed were investigated on the selective oxidation of n-pentane to phthalic and maleic anhydrides using the VPO-U catalyst. (118) Some typical oxidation reactions of alkane, olefin, and arene in supercritical CO2(scCO2)are introduced in this review. (119) Sandstone type uranium deposits in interlayer oxidation zone are large or super large and in - situ leachable. (120) The catalytic oxidation ability of 13 metal ion-exchanged montmorillonites are investigated in oxidative removal of the sulfides which are the main pollutant in the moult and alkali swell waste water. (121) Vapor phase oxidation of o-xylene over V_2O_5 catalysts has been taken as a reaction system for experimental verification of multiplicity zone simulation. Although the reac... (122) Mitochondrial 2,4 - dienoyl - CoA reductase 1 is a key enzyme for the ? ? - oxidation of unsaturated fatty acids. (123) Also formally called the Neutralization Number, this property is often used to indicate the extent of contamination or oxidation of used oils. (124) Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2. (125) The techniques are as follows : homogeneous oil separation - flocculation precipitation - gas floatation - biological contact oxidation. (126) This paper discusses the influence on the oxidation number of each sulfur atom when the charge possesses different position in thiosulfate, polythionate and so on. (127) The obtained sipunculid polypeptide shows activity of resisting oxidation, enhancing sports ability and preventing oxidation injury caused by sports in animal experiments. (128) This paper discussed apply of modified fly ash vesicant concrete by way of the biologic padding of contact oxidation in sewage transaction. (129) A new method including the nitration and oxidation of synthesis of 6 Nitro 1,3 benzodioxide acid was introduced. The raw material is safrole. (130) A short review about the wide uses of phenanthrenequinone and the methods of its synthesis was prepared by oxidation of phenanthrene in acetic acid. Several primary factors were studied. (131) Rice paddy soil has oxic - anoxic interfaces where methane consumption and ammonia oxidation might happen simultaneously. (132) Acid pickling surface of profiled bar component can cleanup oxidation and realize gentle acid erode to increase binding power between zincification and matrices . (133) This paper reports our studies on the purification of wastewater containing unsym. dimethyl hydrazine (UDMH) by catalytic oxidation, using air or H2O2 as the oxidant. (134) Sodium sulfide spent caustic liquor was treated by wet air oxidation ( WAO ). (135) This gas sample is directed to an optional sulfur oxidation catalyst or a ozone generator 36 and through line 38 to a multiport valve 28B. (136) It showed:the nematicidal activity of fraction 2 and fraction7 could baffle it's metabolism and unbalance their oxidation and antioxygenation and make them to die. (137) A typical example is the oxidation of ethylbenzene to prepare acetophenone . (138) The operation results show that the basic oxidation is effect to decrease the contents of ammonia nitrogen,[http:///oxidation.html] phosphide and salt. This is very favorable to the following biological treatment. (139) By using oxidation modification and quick - drying agent, the quick - drying type of corn starch adhesive is developed. (140) Fluticason propionate(1) in overall yield of 60.1% was synthesized from Flumethasone by oxidation, esterification, acylation, alcoholysis and fluoromethylation. (141) The catalyst activity for degrading methyl orange was investigated by microwave induced oxidation process ( MIOP ). (142) Epoxidation and oxidation gave the racemic C 18 - juvenile hormone. (143) The wastewater pollution from DSD acid making process could be solved by making water coal slurry with DSD acid oxidation wastewater completely. (144) The experiments showed that the fatty acid after urea clathrate was not easy to develop oxidation. (145) OBJECTIVE To determine the constants of oxidation reaction rate between sodium formaldehyde sulfoxylate and oxygen in aqueous solutions. (146) The synthesis of coenzyme Q0 started from p-Cresol by a sequence of reactions including bromination, methoxylation, hydroxy-methylation and oxidation. (147) Its coupling oxidation is implemented by using mixed oxidant containing O-, O2, O and O3 in coupling field formed from at least two both of magnetic field, ultrasonic wave and UV light. (148) Finally, a model of anodic oxidation of PAN HM carbon fiber were proposed. (149) Electron beam curing: A system to provide fast curing of conventional oxidation drying inks. (150) Oxic zone and anaerobic zone were not set up separately in interchannel clarifier oxidation ditch system, gathering all the functions of the aeration, sediment and circumfluence in it. (151) At room temperature and atmospheric pressure, using O2 as an oxidant, HBr and tert-butyl nitrite as catalysts, selective oxidation of a broad range of sulfides was achieved. (152) L-Cysteine(L-Cys) modified CNTs was synthesized via purification of carbon nanotubes(CNTs) by oxidation process. (153) The phase and microhardness distributions in ceramic coating formed by microplasma oxidation on LY12 aluminum alloy were investigated using X - ray diffractometer and microhardness tester. (154) The steady - state kinetics of deep oxidation of propanol obeyed the L - H model. (154) Wish you will love and make progress everyday! (155) The surface oxidation of copper is studied by using the oxidation live weight gain experiment. The impact of the structure and purity of copper on its oxidation rate is analysed. (156) Compared with the single electrochemical oxidation, the removal rate to phenol, phthalic acid and phenylformic acid within the same time is improved by 79 to 96 percent. (157) Ozone oxidation and ultrasonic-activated carbon processes have been used respectively for the advanced treatment of the biochemically treated printing and dyeing wastewater. (158) The ultrasonic technics was applied to anode oxidation of aluminum. The influences of ultrasonic on anode oxidation curves, electrolytic process parameters and oxide film's morphology were studied. (159) Influence of mesophase content(), oxidation temperature and oxidation residence time on the non fusible treatment of mesophase petroleum pitch fibre was investigated under air atmosphere. (160) The information about the cellulose oxidized by periodate is reviewed, mainly including the mechanism of oxidation, the characteristics of oxidation, the properties of DAC. (161) Dry oxidation of benzoin with air under microwave irradiation gave benzil in excellent yield. (162) Pale rose . Light tawny colour which some red wines acquire on oxidation. (163) The effect of the experimental parameters on the interfacial bonding strength was investigated, as well as the influences of the anodic oxidation state on the titanium substrate surface appearance. (164) OEA enhanced fatty acid oxidation in skeletal muscle strips, dissociated hepatocytes, and primary cardiomyocyte cultures. (165) By means of oxidation themal gravity(TG) on new ribbon-shaped mesophase pitch-based fibers, its system of increasing temperature in thermal-oxidized stabilization process was estabilished. (166) It'shows that the methane oxidation follows the redox or Mars and van Krevelen mechanism. (167) The different degradation pathways of o-chlorophenol were revealed in the anodic oxidation and the cathodic reduction through chromatographic analysis. (168) Many studies show that nonenzymatic glycation and glucose autoxidation which are accompanied by generation of free radicals is a process of glycation and oxidation. (169) The oxidation rates are fastest in freshly cleaned silica vessels. (170) Ammonium nitrate as auxiliary oxidant is help of finishing oxidation - reduction reaction. |
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