胍基,guanidinate
1)guanidinate胍基
1.The greater the electron donating ability of the guanidinate ligand is,the higher the activity of the corresponding complex becomes.研究了胍基稀土硼氢化物[Ph2NC(NCy)2]Ln(BH4)2[Ph=C6H5,Cy=C6H11,Ln=Er(1),Yb(2)]、[(Me3Si)2NC(NCy)2]Ln(BH4)2[Ln=Er(3),Yb(4)]和[(Me3Si)2NC(NCy)2]2LnBH4[Ln=Er(5),Yb(6)]催化甲基丙烯酸甲酯的聚合性能,其活性顺序为5>6>3>4~1~2,说明胍基配体的供电性越强,配合物的催化活性越高。
英文短句/例句

1.Application and research on the cotton-polyester fabric retardant treated by the guanidine phosphate胍基磷酸盐阻燃处理涤棉布应用研究
2.Synthesis and Characterization of Guanidinate Titanium Complexes and Their Catalytic Behavior for Polymerization;胍基钛配合物的制备、表征及催化性能的研究
3.Effect of Agmatine on Apoptosis in PC12 Induced by Glutamate;胍基丁胺对谷氨酸诱导的PC12细胞凋亡的影响
4.Synthesis, Structures of Guanidinate and Triazapentadienyl Complexes;胍基及三氮杂戊二烯化合物的合成与结构研究
5.Effect of Agmatine on Neuron DNA Injury Induced by Glutamate;胍基丁胺对谷氨酸诱导PC12细胞DNA损伤的影响
6.Synthesis and Properties of Poly (Hexamethlene Biguanide) and Hexamethylene-biscyanoguanide;硫酸聚六亚甲基胍及中间体胺基胍的合成与性能研究
7.dicyano diamide, dicyandiamide双氰胺,二聚氨基氰,氰基胍
8.The Synthesis of Galactosyl and Bisglycosyl Guanidines;半乳糖基及二糖基胍类化合物的合成
9.The Synthesis of Galacosylguanidines and Glycosylisoureas Derivatives;半乳糖基胍及糖基异脲衍生物的合成
10.Effects and Mechanisms of Aminoguanidine on Ischemia/Reperfusion Injury Myocardium in Rats;氨基胍对心肌缺血再灌注损伤的影响
11.The Effect of Aminoguanidine on Diabetic Rat s Surface Changes;氨基胍对糖尿病大鼠眼表改变的影响
12.Study on toxicity of polyhexamethylene disinfection solution含聚六亚甲基胍手消毒剂的毒性研究
13.Mutation in Alternaria Alternata LD2-13 by Nitrosoguanidine亚硝基胍对链格孢菌LD2-13的诱变改造
14.Preparation and properties of alkyl tetramethyl guanidine gemini surfactants烷基四甲基胍双子表面活性剂的合成与性能
15.Synthesis and performance of alkyl tetramethyl guanidine烷基四甲基胍表面活性剂的制备与性能研究
16.The nitroguanidine is added to the propellant during its mixing phase.在推进剂的混合阶段将硝基胍加到推进剂中。
17.Nitroguanicline may be regarded as an explosive which is powerful, but difficult to detonate.硝基胍可以认为是一种猛烈的炸药,但难以爆轰。
18.Nitrosoguanidine crystallizes when the solution is cooled to 0℃.当萃取液冷却至0℃时,亚硝基胍结晶析出。
相关短句/例句

NTG亚硝基胍
1.Screening of High Rhamnolipid-producing Mutants Induced by NTG;鼠李糖脂高产菌株的亚硝基胍诱变选育研究
2.Mutagenic effects of NTG on Haematococcus pluvialis;亚硝基胍(NTG)对雨生红球藻的诱变效应
3.Screening of a strain with high yield of producing 3-hydroxypropionic acid by NTG combining with UV mutagenesis;亚硝基胍、紫外诱变筛选高产3-羟基丙酸菌株
3)Guanidinoglucoside胍基糖苷
1.Synthesis and Biological Activities of Novel Guanidinoglucosides;将2,3,4,6-四-O-乙酰基-β-D-吡喃葡萄糖基异硫氰酸酯(1)与2-氨基-4/6-取代-苯并噻唑(2a~2e)反应,生成糖基硫脲衍生物(3a~3e),再在伯胺存在下经氯化汞脱硫,得到一系列新的多乙酰基胍基糖苷类化合物(4a~4d,5a~5d,6a~6d,7a~7d),糖基的保护基团在甲醇钠/甲醇条件下脱除。
4)lactosylguanidine乳糖基胍
1.The reaction of 2,3,6,2',3',4',6'-hepta-O-acetyl-β-lactosyl isothiocyanate (1) with 2-amino-4/6-substituted benzothiazoles 2a-2e gave lactosylthioureas 3a-3e, which were treated with amines in the presence of HgCl2 to afford a series of novel N-alkyl/aryl-N'-(4/6-substituted benzothiazol-2-yl)-N''-perace-tylated lactosylguanidines 4-6.然后,在CH3ONa/CH3OH作用下,脱乙酰基得含苯并噻唑基的乳糖基胍类化合物7~9。
5)nitrosoguanidine[,naitr?'ɡwɑ:n?di:n]亚硝基胍
1.A high yield and stable succinic producing strain S-57 was obtained from the mutation of mucor S-1 treated with ultraviolet ray and nitrosoguanidine (NTG).对琥珀酸产生菌S-1进行紫外线亚硝基胍的复合诱变后,筛选出琥珀酸产量高,遗传性状稳定的菌株S-57,并对其进行激光诱变,筛选出菌株SH-24,相同发酵条件下琥珀酸产量达到21。
2.Using BM10 strain as original strain for treatment with ultraviolet(UV),microwave(MW),nitrosoguanidine(NTG),diethyl sulfate(DES) and LiCl for mutation,the mutation strains with higher antagonistic activit.以此菌株为出发菌株,进行紫外(UV)、微波(MW)、亚硝基胍(NTG)、硫酸二乙酯(DES)和氯化锂(LiCl)诱变处理,采用平板对峙初筛和摇瓶培养复筛,均能筛选到拮抗活性明显提高的突变菌株,尤以亚硝基胍诱变效果最好,其次是紫外线诱变、硫酸二乙酯诱变、氯化锂诱变和微波诱变。
3.subtilis UN9 were prepared under its optimal formation conditions and mutated multiply by ultraviolet radiation and nitrosoguanidine (NTG).为进一步提高菌株产中性蛋白酶能力,在原生质体最佳形成条件下制备得到Bacillus subtilis UN9原生质体,并对其进行紫外线与亚硝基胍复合诱变,通过摇瓶复筛,得到高产、稳定的突变株Bacillus subtilis Promax NTG14,产酶能力相比出发菌株提高了近24%,中性蛋白酶活力达4286。
6)aminoguanidine氨基胍
1.Effect of Aminoguanidine on Activity of Aldose Reductase in Peritoneal Mesothelial Cells;氨基胍对腹膜间皮细胞醛糖还原酶活性的影响
2.Protective effect of aminoguanidine and betaxolol on retinal ischemia-reperfusion injury in rats;倍他洛尔与氨基胍对大鼠视网膜缺血再灌注损伤的保护作用
3.Role of Oxidative Stress in the Pathogenesis of Myocardial Stunning in Dogs and Effects of Aminoguanidine;心肌顿抑中的氧化应激作用及氨基胍干预的效果
延伸阅读

2,4-二胍基-3,5,6-三羟基环己基-5-脱氧-2-O-(2-脱氧-2-甲胺基-α-L-吡喃葡萄糖基)-3-C-甲酰-β-L-来苏戊呋喃糖甙分子式:C21H39N7O12分子量:581.59CAS号:折射率:-84毒性LD50(mg/kg):对许多革兰氏染色阴性或阳性细菌有效,鼷鼠急性经口9000。对人低毒。性状:白色或类白色粉末,无臭或微臭。溶解情况:易溶于水,微溶于乙醇,不溶于甲醇、氯仿和丙酮。用途:抗菌范围比较广。对革兰阴性细菌、结核杆菌和某些革兰阳性细菌都有抑制作用。主要用于结核杆菌感染,也可用于布氏杆菌病、鼠疫等。用于肌肉注射的,除硫酸盐外,还有盐酸盐、磷酸盐等。 本品能被植物植株吸收,对革兰氏阴性菌和阳性菌杀伤力强,预防效果明显,低温时持效期一般为7天左右,晴天3~4天。本品适用于防治蔬菜软腐病,柑桔溃疡病,烟草野火病,黄瓜霜霉病、角斑病,辣椒炭疽病,番茄疮痂病,桃叶细菌性穿孔病,水稻拜叶枯病及其他植物细菌性病害。使用方法:1、可喷雾(每袋加水50~100kg)、灌根或浸种;2、用于预防,每袋加水50kg(相当于200r),根据病害程度每亩用2~3袋;施药时间最好在上午10点前、下午3点后,喷药8小时内遇雨应补喷。使用间隔期为7~10天。本品对柑桔溃疡病、疮痂病、花叶病均有防治效果,可与抗生素农药、有机磷农药混用。制备或来源:由灰色链霉菌的发酵液提取得的一种抗生素。备注:常用其硫酸盐,有引湿性。在空气或日光中稳定。醛基还原成醇,即得双氢链霉素,其抗菌活性与链霉素相似。包装及贮运:贮存于阴凉干燥处,严防潮湿,现用现配、农药不宜久放,避免与碱性农药、污水混用。类别:杀菌剂