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Notch and groove were produced on fiber's surface by plasma's pHysical bump and corrasion, meanwhile oxygenic or nitrogenic radicals were also grafted on the surface. Through hydrolyzation, acetate fiber's surface will be denuded by cellulase enzyme. Surface of the fiber will be granulated and specific surface area will be enlarged by plasma and enzyme treatment, therefore obviously improve fiber's surface performance.

等离子体对纤维的物理撞击和表面刻蚀使纤维表面产生凹坑和沟槽,同时可在纤维材料表面引入含氧或含氮基团;而纤维素酶对纤维素的水解作用,促使纤维表面被剥蚀;等离子体与生物酶处理都能使纤维表面粗糙化,比表面积增加,使纤维的表面性能得到明显改善。

Removal of high concentration of ammoniacal nitrogen discharged in rare earth production process by VMD is basically studied in this paper, and VMD can achieve the purpose of ammoniacal nitrogen removal and reuse of recovered ammonia at the same time.

进行了减压膜蒸馏法处理含高浓度氨氮的稀土冶金所排废水的基础研究,该法可达到脱除废水中高浓度氨氮及回收氨回用于生产过程的目的。

The influence of pretreatment process on the nitrogen content of soybean protein fibre was studied. The nitrogen content of the fibre was determined by Kjeldahl analysis method.

运用凯氏定氮法对大豆蛋白纤维的前处理工艺进行优化研究,根据处理前后含氮量的变化来表征大豆蛋白纤维蛋白质含量的变化情况。

Author had started the research on design and synthesis of heterocycles several years ago, mainly focused on the design and synthesis of imidazole, thiazole, tetrazole derivatives and their glucosides, in which most of them may have some particular bioactivities.

本论文主要是围绕具有生理活性含氮杂环化合物的设计与合成而展开的,在论文工作中我们应用液相&一锅法&和固相组合化学方法进行了咪唑环、噻唑环、四氮唑环等具有生理活性的杂环化合物及其糖苷的合成。

In this dissertation, several novel halogen-free fire-retardant epoxy-based copper clad laminates were developed. Two kinds of phosphrous-containing epoxy resins were synthesized by different method. A novel nitrogen-containing curing agent 2,4, 6-tri (phenol-methylene -amide)-trizone was synthesized for preparing high-performance epoxy polymers, and the synthesis kinetics, cure kinetics and mechanism of MFP cured with DGEBA have been investigated by Differential Scanning Calorimeter and in situ Infrared.

本论文以开发新型无卤阻燃环氧树脂基覆铜板为目标,合成了两类结构不同的含磷环氧树脂以及一种新型的含氮固化剂2,4,6-三-均三嗪,考察了它们合成过程中的影响因素,用DSC和原位红外光谱法探讨了MFP固化环氧树脂的固化反应机理。

The result of the test shows: in the case of inexistence of chlorin ion, the effect of electrochemical oxidation of ammonia wastewater of the Ti/SnO_2-Sb_2O_3 electrode is better than the Ti/SnO_2-Sb_2O_3-CeO_2 electrodes,efficientry.When there exist 400mg/L chlorin ion,both have perfect effect.

对氨氮的电化学氧化去除试验表明,在不含氯离子的情况下,经过优化的Ti/SnO_2-Sb_2O_3电极的去除效果优于经过优化的Ti/SnO_2-Sb_2O_3-CeO_2电极,但效率不高;而在含有400mg/L氯离子情况下,二者对氨氮均有很好的去除效果。

BCH 3 Determining protein in food Proteins contain essential amino acids and amino acids contain nitrogen.

测定食物内的蛋白质蛋白质含有氨基酸,而氨基酸又包含氮,因著氮的存在,我们才能测定食物所含的蛋白质。

The surface-enhanced Raman scattering spectroscopy analysis verifies that two nitrogen-containing or sulphur-containing aromatic heterocyclic compound s were chemisorbed onto the Ag-plated carbon fibers and formed a lie-down phase.

表面增强拉曼散射光谱分析证实了含氮或含硫的芳杂环化合物化学吸附在银的表面,并形成了平躺取向的自组装膜结构。

In this dissertation, we proposed a low voltage, high speed and good data retention MONOS memory device by using a high-k Hf0.3N0.2O0.5 trapping layer.

在此论文中,我们使用全新的高含氮量氮氧化铪材料作为MONOS元件的捕陷层,此元件具有低的操作电压,快的速度以及良好的电荷储存能力。

In this study, NBPT mixed proportionally with urea and NBPT without urea were applied to the soybean plants to analyze the effect of NBPT on the soybean root growth in root vigor, root nodule number and weight, and the activity of nitrogen fixation of root nodule.

为探索利用NBPT提高大豆生长发育的途径,对施用NBPT的大豆,利用氧化还原法,乙炔还原法和凯氏定氮法分别测定了大豆根系活性,根瘤固氮活性和植株含氮量,并测定了大豆根瘤的数量和重量。

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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。