Synthesis of optically active chiral cyclic guanidine derivative 手性环胍衍生物的合成
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Guanidine nitrate for industrial use 工业用硝酸胍
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Tetra methyl guanidine 四甲基胍
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Dpg standard test method for rubber chemicals - diphenyl guanidine and di - o - tolyl - guanidine assay 橡胶化学制品的标准试验方法.二苯胍
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Some scholars think that it may be guanidine derivatives , but without any toxic side - effects of guanidine drugs 有学者认为，可能是胍类衍生物，但又不具有胍类药的毒副作用。
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It was completely inactive upon heat treatment at 95 , in 4moi / l urea and 1mol / l guanidine hydrochloride 当脲及盐酸胍的浓度分别达到4mol l和1mol l时， dpl的活性完全消失。
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Sanding chemicals co . , ltd . - manufacturer of sulfamic acid , ammonium sulfamate , magnesium sulfate , and guanidine hydrochloride . production in tangshan and laizhou , china [唐山三鼎化工有限公司主要产品为氨基磺酸铵，氨基磺酸胍、盐酸胍、液体盐酸胍及相关产品。
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Manufacturer of thiocyanate compounds in china , offering the ammonium , sodium , and potassium salts , as well as carbon disulfide , guanidine isothiocyanate , and perchloromethyl mercaptan -生产重质纯碱轻质纯碱普通碱低盐碱超低盐碱特殊低盐碱工业纯碱和食品添加剂纯碱。
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The annual productive capacity of the major products are : 13 . 8 thousand tons of melamine , 400 thousand tons of urea , 100 thousand tons of calcium carbide , 4000 tons of dicyanamide , 11 thousand tons of white carbon black , 10 thousand tons of edible liquid co2 , 20 thousand tons of calcium cyanamide , 30 thousand tons of methanol , 10 thousand tons of formaldehyde , 50 thousand tons of n . p . k . compound fertilizer , 200 tons of guanidine nitrate and 500 tons dissolved acetylene . the calcium carbide is the fine quality product awarded by the state 主要产品生产装置能力为：年产总氨28万吨，实物尿素45万吨三聚氰胺1 . 35万吨精甲醇3万吨食品二氧化碳1万吨电石10万吨石灰氮2万吨双氰胺4000吨溶解乙炔500吨甲醛5万吨白炭黑1 . 2万吨热电厂装机容量3 . 6万千瓦，年发电3亿千瓦时，供热450万吉焦耳机械厂年机加工量2000吨综合厂复混肥5万吨。
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The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector . the sequencing results showed that pap gene had 99 . 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ) . the iptg - inducible expression vector containing the pap gene was constructed and transferred into e . coli bl21 ( de3 ) - plyss 将缺失型pap基因克隆到植物表达载体pbi121中，通过液氮冷冻法将重组质粒转入农杆菌lba4404细胞中，然后采用叶盘法，在该农杆菌的介导下将pap基因导入普通烟草中，经过卡那霉素抗性筛选，最后获得了转pap基因的工程烟草植株，摩擦接种烟草花叶病毒( tmv ) ，与非转基因烟草相比，能够推迟症状表现达2月之久，说明pap基因能够在其它植物体内产生有活性的高抗病毒的蛋白质。
