催化剂经活化后可使丙烯腈单程收率提高 2 %~ 3 %。
The single-pass yield of acrylonitrile increased by 2%~3% after the catalyst reactivation.
经活化指数测定,改性后的重晶石矿物表面的疏水性得到了明显改善;
The effect of the surface modification of barite power was characterized by activity index and FTIR. The activity index indicated that modified barite power has a better hydrophobicity.
经活化的粉煤灰用作水泥混合材可提高水泥标号或水泥中粉煤灰的掺量。
The activated fly ash, when used as cement blend, can either improve the quality of the cement or heighten the ratio of fly ash in the cement.
选择该经活化的含氮化合物以及非氧化杀生物剂的用量以获得协同杀生物作用。
The amount of activated nitrogenous compound and non-oxidizing biocide is selected to result in a synergistic biocidal effect.
在经活化处理的基体表面上,镀液中金属离子被催化还原形成金属镀层的过程。
In the activation treatment on the surface of substrate, the plating metal ions was catalyzed reduction metal coating process of formation.
经活化处理后纸浆中木素含量降低,残余木素中的羰基和酚羟基增多,聚糖中的羰基也增多。
Lignin content in the pulp descreases, while carbonyl and phenolic hydroxylgroups in the residual lignin increase, and so do carbonyl groups in polysaccharides, after theactivating treatment.
漂白粘土和澄清粘土应具有较大的表面积、较高的吸附性能及褪色能力,多由膨润土经活化(酸化)处理后制成。
Either bleaching clay or clarifying clay possesses larger area, higher absorbability and better decoloration as both are resulted from activation (or acidification) process of bentonite.
方法:用APAAP免疫酶标法检测10例经il - 2激活的急性白血病患者骨髓细胞相关抗原标记及活化过程中的变化。
Methods: 10 patients with acute leukemia were selected and their bone marrow cell related antigen labeling and activation process changes activated by IL-2 were detected by APAAP method.
以库仑分析法为研究手段,考察了在室温下经电化学活化的石墨基二氧化铅阳极电生三价钴的条件及其应用。
It was studied that the graphite-based lead dioxide anode which had been electrochemically activated was used to electrogenerate trivalent cobalt ion by means of coulometry at ambient temperature.
稻壳灰经碱液处理后,再用硫酸活化以制取大豆油精炼中的脱色剂。
Rice hull ash (RHA) was activated with sulfuric acid after treatment with alkali soluted to produce an adsorbent for the soybean oil industry.
经电化学活化后的玻璃碳电极可吸附溶液中的铅离子。
The activated glassy carbon electrode obtained by electrochemical means could adsorb the lead cation in solution.
海泡石试样经明矾活化处理后,按照试验选择的降氟条件,对采自高氟地区的饮用水进行交换处理。
Tre - ated by alum activation, sepiolite can be used to purify the fluorine-bearing water sampled from high fluorine area.
经精选处理,生物活化等工序加工而成,表观为不规则颗粒,颜色为黑褐色。
After selection processing, working procedure processings and so on biological activation become, apparent is the anomalous pellet, the color is the vandyck brown.
方法:以辛二酸为起始原料,经缩合、活化、氨解合成SAHA。
Methods: Suberic acid was selected as the start material, and the SAHA was obtained through condensation, activation and ammoniated.
经机械活化预处理的复合粉末进行了爆作喷涂,分析检测了涂层的微观组织、结构和性能。
Detonation spraying of mechanical activating treated composite powder was conducted. Microstrticture and properties of the coating were tested and analyzed.
性能:该产品属国内首创的新型产品,采用优质褐煤或无烟煤及粘合剂、催化剂等经粉碎、混合、成球、干燥、碳化、活化而制成。
The product is a pioneering new product, using high-quality lignite, or anthracite, and adhesives, catalysts and so on, through the crushing, mixing, drying, carbonization, activation.
应用该协同混合物的方法需要向水系统中加入有效量的经氧化剂活化的含氮化合物以及至少一种非氧化杀生物剂。
The method of using the synergistic mixtures entails adding an effective amount of a nitrogenous compound activated by an oxidant and at least one non-oxidizing biocide to an aqueous system.
目的探讨丙烯腈(acn)对睾丸精原细胞dna的损伤作用及经肝微粒体酶活化前后该损伤程度的差异。
Objective to explore acrylonitrile (ACN) induced DNA damage on Newt spermatogonia, and to compare the difference in DNA damages before and after microsomal enzyme activation.
为解决胶原酶免疫原性,采用经氯甲酸对硝基苯酯活化的单甲氧基聚乙二醇来修饰胶原酶。
In order to overcome the immunogenicity of collagenase, the enzyme was modified with monomethoxypolyethylene glycol 5000 (mPEG) activated by p nitrophenyl chloroformate.
这是一种加聚物,由乙烯经自由基活化聚合而成,其相对分子质量可低至2000~4000。
It is an addition polymer synthesized by free-radial- activated polymerization of ethylene, where the molecular weight may be as low as from 2000 to 4000;
经菌种活化、摇瓶培养、扩繁,混合制得。
It is prepared by activating bacteria, shake-flask culturing, expanding propagating and mixing.
煤质球状活性炭属国内首创的新型产品,采用优质褐煤或无烟煤及粘合剂、催化剂等经粉碎、混合、成球、干燥、碳化、活化而制成。
The product is a pioneering new product, using high-quality lignite, or anthracite, and adhesives, catalysts and so on, through the crushing, mixing, drying, carbonization, activation.
经磷酸化活化的丝裂原活化蛋白激酶,可参与多种细胞生命活动,如调节基因转录,诱导细胞凋亡、调节细胞周期等。
The MAPK which activated through phosphorylation involve several cell life activities, just like the control gene transcription, induce cell death, regulate cell circle and so on.
研究了ITO经机械活化后与盐酸反应的动力学规律。
The kinetics law of the reaction of ITO with hydrochloric acid after mechanical activation was studied.
经多极雾化活化设备处理得到的活性铝粉,可在不添加任何化学试剂的条件下与水发生持续水解反应,获得高纯度氢氧化铝粉体。
The activated aluminium powder had been produced by multistage-spraying and spinning atomized equipment and can continuously hydrolyze with water without any chemical reagent.
将这一经纯化的反应产物用于第二阶段:该经纯化的活化反应产物与天冬氨酸的偶合反应。
This purified reaction product is used in a second stage: a coupling reaction of the purified activation reaction product with aspartate.
结果表明,经氯化汞活化的金属钐对酮类化合物与烯丙基或苄基卤代物的反应很有效,可高产率地生成叔醇。
Samarium metal (activated by HgCl2) is an effective reagent for allylation or benzylation of ketones. The corresponding tertiary alcs. are obtained in satisfactory yields.
方法A群脑膜炎球菌多糖经溴化氰活化后共价接上己二酰肼手臂,在碳二亚胺催化下与精制破伤风类毒素(TT)偶联制备结合物。
Methods Conjugate was prepared by carbodiimide mediated coupling of adipic acid hydrazide derivatives of capsular polysaccharides of group A meningococcal with tetanus toxoid(TT).
椰壳活性炭以优质椰子壳为原料,经水蒸气活化后精制处理,筛选而成。
The coco housing activated carbon takes high-quality coconut housing as raw material, after steam activate refine transaction, sieving but become.
碳纳米管经纯化、氧化、敏化、活化预处理后,在碱性镀液中化学镀磁性金属钴磷合金,得到一维纳米复合材料。
After purification, oxidization, sensitization, and activation pretreatment, the surface of carbon nanotubes was deposited with Co-P by the electroless deposition method.
应用推荐