- 更多网络例句与硫代的相关的网络例句 [注:此内容来源于网络,仅供参考]
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objective:to determine glucosinolates in draba nemorosa var.leiocarpa and provide the basic and science data for further development.methods:sulfate ion precipitation method was used.results:glucosinolate content was 0.95% in draba nemorosa var.leiocarpa.conclusion:there are more glucosinolates in draba nemorosa var.leiocarpa,which has greater value.
目的:测定光果葶苈全草中硫代葡萄糖苷的总含量,为进一步研究开发提供基础科学资料。方法:采用硫酸根离子沉淀法。结果:光果葶苈全草中硫代葡萄糖苷总含量为0.95%。结论:光果葶苈全草中硫代葡萄糖苷含量高,有较大的开发价值。
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The method comprises:(1) weighing lead acetate hexahydrate and thioacetamide, and preparing aqueous solutions respectively, so that the concentration ratio of Pd2+ to S is 1:(1-4);(2) adding acetic acid into thioacetamide solution to adjust the pH value to 2-4;(3) adding poly surfactant into lead acetate solution, ultrasonicating to mix uniformly and obtain a colorless and transparent sol;(4) mixing the sol and thioacetamide solution;(5) placing the mixed solution in a sealed container, irradiating by 2.5 MeV and 40 mA electron accelerator with irradiation dose of 25-40 Mrad;(6) washing the product, centrifuging for separation, and drying to obtain black PdS nanoparticles.
本发明方法的工艺过程如下:首先称取一定量的六水合醋酸铅和硫代乙酰胺,各自配制成水溶液,其浓度比为使其中的铅离子浓度与硫原子浓度的比例为1∶1~1∶4;在硫代乙酰胺溶液中加入适量醋酸调节其pH值至2~4;醋酸铅溶液中加入少量表面活性剂聚乙烯醇,然后超声振荡,混合均匀,制成无色透明溶胶;随后将溶胶与上述的硫代乙酰胺溶液混合;将该混合液置于密闭容器中,并将其放置于2.5MeV、40mA的电子加速器产生的电子束辐照下进行辐照处理,其辐照剂量为25~40Mrad;然后将反应生成物清洗,并用高速离心机离心分离,然后干燥,最终得到黑色纳米硫化铅颗粒。
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Analysis of the material change, garlic cells bioactive aliphatic thio cysteine sulfoxide and thiosulfate propenyl cysteine sulfoxide sulfur compounds in garlic, such as the role of enzymes, the generation of thiobarbituric acid sub - ester, propylene-based thiosulfinates, allyl thiosulfinates as garlic pigment precursor substances, and further changes occurred in the green garlic.
从物质变化分析,大蒜细胞中的生物活性物质硫代脂肪族半胱氨酸亚砜和硫代丙烯基半胱氨酸亚砜等含硫化合物在蒜酶的作用下,生成硫代亚磺酸酯、丙烯基硫代亚磺酸酯、烯丙基硫代亚磺酸酯,作为大蒜色素物质的前体,进一步发生大蒜绿变。
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Besides, the derivatives were synthesized successfully by the similar acid binding agent system, such as tris(4-nitrophenyl) thiophosphate, tris(4-toluene)thiophosphate. The derivative of maleic anhydride was synthesized by the simple method, and its yield was above 90%.
采用类似的缚酸剂体系成功地合成了硫代磷酸三(4-硝基苯)酯、硫代磷酸三(4-甲基苯)酯,并用简单的方法合成了硫代磷酸三(4-氨基苯)酯的马来酸酐衍生物——硫代磷酸三(4-马来酸氨基苯)酯,产率达90%以上。
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The sodium dithiobenzoic acid was oxidized with potassium ferricyanide to obtain di disulfide.The influences of raw materials mole ratio,stirring method and reaction time on the yield were studied with orthogonal test.
用铁氰化钾溶液氧化二硫代苯甲酸钠,得双二硫代苯甲酰,采用正交实验探讨了4,4'-偶氮双(4-氰基戊酸)与双二硫代苯甲酰反应的投料比、搅拌方式、反应时间对反应收率的影响。
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Synthesis of organic sulfuric compounds in aqueous media is carried out by: using thio-olefin compounds with carbonyl compounds, acetal/keltone, hydrazone, oxime, osazone and enamine to synthesize mercaptal/keltone compounds in aqueous media; using thio-olefin compounds with alpha-hydroxyaldehyde/keltone or alpha-halogenated aldehyde/keltone to synthesize thia-olefin derivatives in a queous media; using thio-olefin compounds with alpha, beta-unsaturated hydroxy compounds, C-C treble bond, C-N treble bond, C-C double bond, N-N double bond, C-N double bond, C-S double bond, epoxy and its derivatives, aziridine and its derivatives, cyclopropane and its derivatives and halogenated carboxy to synthesize sulfoether compounds in a queous media.
含水介质中有机硫化合物的合成方法,本发明属于有机合成方法,用硫缩烯酮类化合物与羰基化合物、缩醛/酮、腙、肟、脎、烯胺在含水介质中合成缩硫醛/酮化合物,与α-羟基醛/酮或α-卤代醛/酮在含水介质中合成噻烯类衍生物,与α,β-不饱和羰基化合物、碳碳叁键、碳氮叁键、碳碳双键、氮氮双键、碳氮双键、碳硫双键、环氧乙烷及其衍生物、氮杂环丙烷及其衍生物、环丙烷及其衍生物、卤代烃等在含水介质,中合成硫醚化合物。
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Five of their single crystals were obtained and their structures were determined by X-ray diffraction. By comparison, it was found that dithiocabamate complexes often formed an exactly planar MS4 unit, such as [Mo(R2dtc)2]; and also formed a special MS 5 unit, such as [Cu2(R2dtc)4], the copper atom lies in a distorted square-pyramidal environment.Four kinds of heteropoly acids were prepared and characterized; a series of solid superacid catalyst of supported heteropoly acid were prepared and characterized; regioselectivites of chlorobenzene mononitration with nitric acid with different heteropoly acid on different supports and reaction conditions have been investigated.
培养并解析了5个该类配合物的单晶结构,通过比较,发现二硫代氨基甲酸盐与过渡金属容易形成四配位结构,金属原子与4个硫原子共平面,比如二乙基二硫代氨基甲酸钼;也能形成比较特殊的五配位结构,比如二乙基二硫代氨基甲酸双核铜,Cu原子与5个S原子相连,处于一个变形的四方锥结构的配位环境。
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Glucosinolates and myrosinase are present in the vacuoles and in the de finite protosome in intact cell and tissues respectively. but when tissues and c ells are damaged, myrosinase will release and hydrolyze glucosinolates to genera te degraded products, such as isothiocyanates and so on.
在完整的植物中,硫代葡萄糖苷存在于细胞的液泡中,葡萄糖硫苷酶存在于特定的蛋白体中,两者相互分离,但当组织和细胞受到损伤时,葡萄糖硫苷酶就会被释放出来,葡萄糖硫苷酶将硫代葡萄糖苷水解,产生异硫代氰酸盐等降解产物。
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The chemical deposition method was applied to prepare bismuth sulfide through reaction of bismuth salt complexed by triethanolamine or EDTA with an aqueous solution containing a sulfur sourse such as thioacetamide, thiourea, sodium thiosulphate, geseous H2S.
化学沉积方法用于准备硫化铋铋盐络合的反应,通过乙醇胺水溶液或edta一个含有硫源为硫代乙酰胺等,硫、硫代硫酸钠、硫化氢geseous。
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The degradation properties of sulfide flotation collectors such as Xanthogenate, Dithiocarbamate, Dithiophophate, N,N-dialkyl-dithiocarbamatecyanoethylene and Thionocarbamate are studied in this paper.
论文研究了黄原酸盐、氨基二硫代甲酸盐、二硫代磷酸盐、氨基二硫代丙烯腈酯、氨基硫逐甲酸酯等硫化矿捕收剂的降解性能。
- 更多网络解释与硫代的相关的网络解释 [注:此内容来源于网络,仅供参考]
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malathion:马拉硫磷
概述 马拉硫磷(malathion)即0,0-二甲基-S-(1,2一二乙氧基羰基乙基)二硫代 磷酸 酯,是一种高效低毒的有机磷杀虫剂. 马拉硫磷有强烈的硫醇臭,嗅觉阈为0.
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thi:硫
硫的,硫代的-sulph | 硫---thi | 硫磺---thion
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thiocyanate:硫氰酸盐
最常被加入的物质可溶性无机材料:如氨、道路用盐(road-salt)、海盐、氰化物、硫化氢、硫氰酸盐(thiocyanate)与硫代硫酸盐(thiosulphate)等等乳剂:如涂料、胶粘剂、蛋黄酱、染发剂与乳化油(emulsified oil)等等在一些都会区,
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thiophosphate:硫代磷酸酯
thiophil /亲硫的/ | thiophosphate /硫代磷酸酯/ | thioplast /硫合橡胶/硫塑料/弹性硫塑料/
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azonal:泛域的, 非地带性的, 隐域的
Avadex 燕麦敌[硫代氨基甲酸脂除草剂] | azonal 泛域的, 非地带性的, 隐域的 | azophoska 氮磷钾肥
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thioarsenic acid:[化]硫代砷酸
underburnt 欠熟的, 未烧达温度的 | thioarsenic acid [化]硫代砷酸 | iatrarchy 医师监视
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Thiobacillus:硫细菌
有一种硫细菌(Thiobacillus)在有氧条件下能使硫或其它硫化合物(例如硫代硫酸盐)氧化,以此来获得它所需要的能量,但反应最终将产生硫酸. 如让该菌在实验室培养基上生长和繁殖,可使PH降低至0.7,这样强的酸性显然会促成金属的腐蚀.
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thiocyanogen vaiue:(脂肪的)硫氰值
thiocyanogen number (脂肪的)硫氰值 | thiocyanogen vaiue (脂肪的)硫氰值 | thiodipropionate dilauryl 硫代二丙酸二月桂基酯(食用色素)
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thiosulphate:硫代硫酸鹽
最常被加入的物质可溶性无机材料:如氨、道路用盐(road-salt)、海盐、氰化物、硫化氢、硫氰酸盐(thiocyanate)与硫代硫酸盐(thiosulphate)等等乳剂:如涂料、胶粘剂、蛋黄酱、染发剂与乳化油(emulsified oil)等等在一些都会区,
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thiopental:戊硫代巴比妥
最新研究显示,异丙酚(propofol)是一种治疗儿童难治性癫痫的既安全又有效的药物,优于戊硫代巴比妥(thiopental)可被推荐为首选. 这项研究成果发表在8月23日的<<神经病学>>杂志上. 异丙酚(propofol)和戊硫代巴比妥(thiopental)被广泛应用为静脉麻醉药,并有助于控制癫痫发作.