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novel fungicides
相关语句
  新型杀菌剂
     Palladium-Catalyzed Synthesis of 2-Carbonyl-indene Derivatives and Their Application in Synthesis of Novel Fungicides
     钯催化合成2-羰基取代茚衍生物及其在合成新型杀菌剂中的应用
短句来源
     The applications and developing prospects of novel fungicides
     新型杀菌剂的应用现状及发展展望
短句来源
  种新杀菌剂
     In order to better control the disease, some novel fungicides were evaluated in laboratory and tield tests. The experiment that was made in the laboratory in Urumgi showed that Score 10% WG 1, 10, 100 mg/l and Horizon 43% SC 4.3, 43, 86 mg/L from 48~120 hours after treatment provided outstanding inhibetion efficiency to the fungus, followed by Antracol 70% WP 1 400 mg/l.
     将几种新杀菌剂进行室内抑菌测定,48~120h检查,均以世高有效成分1、10、100mg/l和好力克4.3、43、86mg/l防效最高。
短句来源
  “novel fungicides”译为未确定词的双语例句
     The Development of Research of Novel Fungicides in China
     我国创制杀菌剂的研究与开发
短句来源
     The Efficacy of Novel Fungicides to Control Early Blight of Processing Tomato
     新药剂防治加工番茄早疫病药效的研究
短句来源
     To evaluate risk of resistance to fungicide is of great importance in developing, introducing, applying novel fungicides, and managing resistance, however, systemic evaluation to resistance risk has not been made yet in China, examples of risk evaluation are rare abroad and prediction is often not in accordance with actual situation.
     杀菌剂抗性风险评估对于新药的研制、引进、应用和抗药性治理的决策至关重要,我国对此尚未系统研究,国外评估病菌抗药性风险实例极少,预测往往与实际不符。
短句来源
     In order to develop novel fungicides, the structure of flavanane phytoalexins was modified in view of bioisosterism and 23 novel title compounds, 2-heteroaryl-4-chromanones, were designed and synthesized, whose structures were confirmed by 1 H NMR, MS and elemental analyses.
     为开发新型环境友好杀菌剂,选择了黄烷酮类植物抗毒素为先导,利用生物等排取代原理对其结构进行修饰,设计合成了23个未见文献报道的2-杂环芳基苯并二氢吡喃-4-酮类化合物,并系统测定了所有化合物对水稻稻瘟病抑制活性的IC50值.
短句来源
     In order to search for novel fungicides with high activity and low toxicity, a series of bis-heterocyclic compounds containing 1H-pyrazole and thiazole were designed and synthesized from phenyl hydrazine, ethyl acetoacetate and aromatic aminoheterolcycles. The structures of all new compounds were confirmed by elemental analysis, 1H NMR, IR and MS spectra.
     以苯肼、乙酰乙酸乙酯和氨基杂环为原料 ,合成了两类含双杂环的新型吡唑甲酰胺衍生物 ,其结构经元素分析、1HNMR ,MS及IR确证 .
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  相似匹配句对
     In the novel.
     在小说中,夏洛特塑造了一个外表普通。
短句来源
     on the Novel
     说小说
短句来源
     The Development of Research of Novel Fungicides in China
     我国创制杀菌剂的研究与开发
短句来源
     The applications and developing prospects of novel fungicides
     新型杀菌剂的应用现状及发展展望
短句来源
     Development of Strobilurin Fungicides
     Strobilurin类杀菌剂的研究进展
短句来源
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Pencycuron is a novel fungicide of phenylurea type. The fungicide spectrum of pencycuron in vitro showed that the com pound had specific antibiotic activity to Rhizo-ctonia solani, particularly to Pellicularia Sasakii . Pencycuron also displa-yed a strong inhibitory effect on the P sasakii mycelial development on agar plate amended with the compound at low concentrations, and induced its morphological disorder in mycelial development. The effect property is almost the same as that of Validamycin.The...

Pencycuron is a novel fungicide of phenylurea type. The fungicide spectrum of pencycuron in vitro showed that the com pound had specific antibiotic activity to Rhizo-ctonia solani, particularly to Pellicularia Sasakii . Pencycuron also displa-yed a strong inhibitory effect on the P sasakii mycelial development on agar plate amended with the compound at low concentrations, and induced its morphological disorder in mycelial development. The effect property is almost the same as that of Validamycin.The result shown in glass-house test indicates that the in hibitory effect of Pencycuron on hypha infection is remarkably better than that of Validamycin, but the inhibitory effect on the development of lesion is weaker than Validamycin. Pencycuron has remarkably stable persistency in preventing the infection of rice sheath blight its effect lasting more than 35 days, while Validamycin, less than 14 days. Therefore, Pencycuron is a protective fungicide with stadle persistency. The efficacy was affected obviously, when the rice plants in the glass-house wece showered with artificial rain-fall at a level of 20 mm 50 min after the chemical treatment,The result of field tests is the same as that of the glasshouse.

Pencycuron*是一种苯脲类型的新型杀菌剂.离体抗菌谱试验表明,Pencycuron对Rhizoctonia Solani,特别是对Pellicularia Sasakii具有特异的抗菌活性.该药剂在含药琼脂培养基上低浓度下对P.Sasakii菌丝的扩展也表现出极强的抑制作用,而且可引起菌丝体形态异常.此点,与井岗霉素有相似之处.室内植株测定表明,Pencycuron抑制菌丝侵染作用明显优于井岗霉素,抑制病斑扩展作用比井岗霉素差.防治水稻纹枯病的侵染有稳定的持久性,可达35天以上,而井岗霉素不足14天.因此,该药是一种以长效性为特征的保护性杀菌剂.室内人工模拟降雨测定,施药后50分钟,淋洗20mm雨量,效果明显受到影响.田间试验与室内结果一致.

A novel fungicide resistant phenotype of Rhynchosporium secalis was isolated from the field. It was resistant to benzimidazole (MBC), phenylcarbamate (NPC) and azol (triadimenol) fungicide, unlike other MBC resistant strains, it did not carry an allelic mutation at amino acid code 198 of the target β tubulin gene, instead a singal base change alterred phenlalanine at codon 200(TTC) to tyrosine (TAC) and conferred resistance. Growth room experiments demonstrated that the strains with this phenotype...

A novel fungicide resistant phenotype of Rhynchosporium secalis was isolated from the field. It was resistant to benzimidazole (MBC), phenylcarbamate (NPC) and azol (triadimenol) fungicide, unlike other MBC resistant strains, it did not carry an allelic mutation at amino acid code 198 of the target β tubulin gene, instead a singal base change alterred phenlalanine at codon 200(TTC) to tyrosine (TAC) and conferred resistance. Growth room experiments demonstrated that the strains with this phenotype was almost as pathogenic as the wild type strains suggesting that there is no direct correlation between pathogenicity and development of MBC resistance.

田间抗性监测发现了大麦云纹斑病菌新型的抗性菌株,这类菌株对苯并咪唑类(多菌灵)、Phenylcarbamate(乙霉威)及三唑类(三唑醇)表现多重抗性,先前发现的多菌灵抗药性菌株均是在β-维管蛋白基因的198位点出现等位基因的突变,而新发现的菌株则仅在200位点(TTC)由苯并氨酸转变成赖氨酸(TAC)而导致对3种药剂的抗性。温室试验证明,这类菌株的致病性和野生敏感菌的致病性几乎一致,说明大麦云纹斑病菌对杀菌剂抗药性的发展与致病性之间没有相关性。

In order to develop novel fungicides, the structure of flavanane phytoalexins was modified in view of bioisosterism and 23 novel title compounds, 2-heteroaryl-4-chromanones, were designed and synthesized, whose structures were confirmed by 1 H NMR, MS and elemental analyses. The fungicidal IC50 in vitro against rice blast disease of the title compounds were measured and the quantitative relationship between the structures and fungicidal activities was established using the comparative molecular field...

In order to develop novel fungicides, the structure of flavanane phytoalexins was modified in view of bioisosterism and 23 novel title compounds, 2-heteroaryl-4-chromanones, were designed and synthesized, whose structures were confirmed by 1 H NMR, MS and elemental analyses. The fungicidal IC50 in vitro against rice blast disease of the title compounds were measured and the quantitative relationship between the structures and fungicidal activities was established using the comparative molecular field analysis (CoMFA) approach. The results of 3D-QSAR analysis suggested that the introduction of small steric bulk but strong electron-releasing group onto the 5, 6, 7-position of the benzene ring would be favorable to the activity of the compound. The CoMFA analyses about the electronic property requirement of 7-O and 19-O were consistent with those derived from the Hansch-Fujita approach.

为开发新型环境友好杀菌剂,选择了黄烷酮类植物抗毒素为先导,利用生物等排取代原理对其结构进行修饰,设计合成了23个未见文献报道的2-杂环芳基苯并二氢吡喃-4-酮类化合物,并系统测定了所有化合物对水稻稻瘟病抑制活性的IC50值.在此基础上,采用CoMFA方法对它们进行了三维定量结构活性关系研究,系统考查了网格结构、探针以及场类型对CoMFA结果的影响.研究结果表明,苯并二氢吡喃-4-酮苯环5,6,7位上应该引入一些体积较小且具有强供电子能力的取代基有利于提高化合物的杀菌活性.CoMFA分析对7位氧原子和19位氧原子的电性要求与前文采用 Hansch-Fujita方法的分析结果是相一致的.

 
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