查询词典 residue

This article mainly established the analysis method to extract the oxine-copper residues in cucumber and soil with ion pair of antiphase HPLC and Ultrasonic-assisted solvent. This method mainly uses XBridge C18 column and UV detector by using waters phase of phosphatic buffered solution/acetonitrile (60:40, by vol) as mobile phase with 0.8 mL/min flow ratio and UV detection at 250 nm. The residue time was 4.71 minute. Accuracy, precision, and sensitivity of the method all satisfy the demands of pesticide residue analysis.

建立了黄瓜和土壤中喹啉铜的超声波辅助溶剂提取－反相离子对高效液相色谱法的残留分析方法，该方法使用XBridge C18色谱柱和可变波长紫外检测器，并以水相磷酸盐缓冲溶液－乙腈（体积比为60：40）作流动相；流速为0.8 mL/min；检测波长为250 nm；保留时间为4.71 min；该方法的准确度、精密度及灵敏度均满足农药残留分析的要求。

In the process of preparation of boracic acids by using one step method ,the waste liquid and waste residue were generated;if they were discharged directly,it would destroy the environment seriously;so the recycle and utilization of the boracic acid waste liquor and residue were discussed.

一步法生产硼酸，产生的废液和废渣未经治理外排，会对环境造成极大的破坏。

With the increasing of content of catalyst, the residue of Salix, Caragana and Poplar all dropped, the residue was lowest when content of catalyst was 7%.

随着催化剂用量的增加，沙柳、柠条和杨木的残渣率都下降，在催化剂用量7%时都达到最低。

The Cry1Ac5 domainⅢhas a distant relationship with other Cry1 proteins and its longβ18-β19 loop possesses a unique tryptophanat residue 544 and a unique asparagineat the loop apex(residue 546),as well as two consecutive serinesfrom residue 547 to 548.Alanine scanning mutations within the loop were initially generated and all mutants could produce bipyramidal crystals and express 130 kDa protoxins.

利用Swiss-Model服务器和Swiss-pdb Viewer软件建立了Cry1Ac5蛋白的三维结构模型，并利用Clustal W和DS ViewerPro软件对比分析了其与其它Cry蛋白之间的差异，发现Cry1Ac5的结构域Ⅲ与其它Cry1蛋白的亲缘关系较远，其结构域Ⅲ上的β18-β19 loop比Cry1Aa、Cry2Aa、Cry3Aa和Cry4Aa蛋白对应的loop长，其组成的残基中色氨酸(W544)、连续的丝氨酸(S547、S548)和loop顶点的天冬酰氨(N546)在Cry蛋白中都是独特的残基分子成分。

According to the result, we believed that the reason resulted in the low sensitivity was that the marker residue compound MQCA structure has changed after conjugated with protein and the antibody induced by the conjugation could not recognize the free MQCA in the ci-ELISA. Therefore we designed some hapten which could reserve the marker residue structural speciality mostly. After synthesis route selection and optimum, the hapten 7-Hydroxymethyl-3-methyl-quinoxaline-2-carboxylic acid was synthesized, used 4-methyl-2-nitroaniline as the start material via six steps, such as oxidation cyclization, bromize reaction, hydrolysis, Beirut reaction, reduction, hydrolysis. This work established basis for producing the high affinity antibody and developing the sensitive ELISA residue detection method.

本论文认为导致ELISA检测灵敏度较低的原因，是残留标示物和蛋白偶联后的特征结构发生改变，诱导产生的抗体不能够对游离MQCA很好的识别，因此，本论文设计了能够最大化保留MQCA结构特征的系列半抗原结构，并对其合成路线进行了筛选和优化，最终以对甲基邻硝基苯胺为起始原料，经氧化环化、溴代、水解、Beirut缩合、还原、水解六步反应制备含羟甲基结构的MQCA衍生物7-羟基甲基-3-甲基-喹噁啉-2-羧酸，为制备对游离残留标示物高亲和力的抗体，高灵敏度的ELISA残留检测方法的建立奠定基础。

The SO2 residue standard for dry fungus could be set lower than 500mg/kg. The SO2 residue in six kinds of dry fungus was 175~291mg/kg, lower than this standard. The SO2 residue in other four kinds of fungus, which colors all were white such as tremella, needle mushroom and dictyophora indusiata fischer, was 1588~2920mg/kg, higher than this standard.

食用菌干品的SO2残留标准可设定为小于500mg/kg，有6种干品的SO2残留低于这一标准，为175~291mg/kg；另外4种干品的SO2残留为1588~2920mg/kg，超标情况非常严重，它们都是些白色的食用菌。

When the molasses addition amount was 30%, the coarse-protein content of fermentation production was increased from 9.2% to 14.5%, increase range was 57.6%. Secondly, the co-fermentation of Trichoderma koningi, Saccha romyces cerevisiae, Candida utilis and Candida tropicali utilizing the residue was studied. Trichoderma koningi can growth with the residue culture medium, but the degradation of cellulose was not obvious; The impact of different microzyme on residue fermentation was different, and Saccha romyces cerevisiae was the best

在乳酸残渣单菌发酵的基础上，探讨了康氏木霉、啤酒酵母，热带假丝酵母、产朊假丝酵母不同组合对残渣发酵的影响，得出：康氏木霉可以在残渣上生长，但所产纤维素酶活很低，对纤维素的降解不明显；不同酵母菌对残渣发酵效果不同，其中以啤酒酵母最优，且在不同酵母进行组合发酵时，发酵产物中粗蛋白含量并没有出现叠加现象，效果较啤酒酵母单菌发酵并没有显著优势。

Disclosed is a polyimide resin having a glass transition temperature of 200-320 DEG C and containing a siloxane diamine residue, a fluorene diamine residue and a specific tetracarboxylic acid dianhydride residue at certain ratios.

本发明提供玻璃化转变温度为200～320℃，以特定比例含有硅氧烷系二胺残基、芴系二胺残基和特定四羧酸二酐残基的聚酰亚胺树脂。

Unless otherwise specified, if the amount of the residue so obtained exceeds the limit specified in the individual monograph, repeat the moistening with sulfuric acid, heating and igniting as before, using a 30-minute ignition period, until two consecutive weighings of the residue do not differ by more than 0.5mg or until the percentage of residue complies with the limit in the individual monograph.

除非有其他规定，如果这样得到的残渣数量超过具体的各论中指出的限度，重复此前的以硫酸润湿、加热、灼烧等步骤，灼烧30分钟，直到两次连续残渣称量的重量差不超过0.5mg或者直到残渣的百分比符合具体各论中的要求。

The results showed that (1) compared with conventional N treatment, the N loss of economic N treatment reduced while NUE and N residue in soil improved under water-saving condition;(2) Use efficiency of fertilizer applied as basal fertilizer was higher than that as top-dressing fertilizer under water-saving condition;(3) The fertilizer N residue rate was from 29% to 41%, and 60% of N residue, which distributed in 1m depth soil concentrated in 0～20cm surface layer;(4) In whole growing stage of wheat, fertilizer N hadn't leach to 130cm depth;(5) NUE of economic N treatment under conventional irrigation decreased by 16.6% compared with the same N treatment under water-saving condition.

结果表明，与常规施氮量处理相比，节水灌溉条件下节肥施氮量处理的氮肥损失率降低，氮肥当季利用率和土壤残留率提高；基施氮肥的利用率高于追施氮肥；土壤肥料氮的残留率在 2 9%～ 41 %之间，分布于 1m土层中，其中60 %以上集中在 0～ 2 0cm土层；在整个小麦生长季内，肥料氮并没有淋洗到 1 30m以下。节肥施氮量在常规灌溉下的当季利用率比在节水灌溉下降低 1 6 6%。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。