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Inflorescence development was divided into four stages, the initiating expansion pseudobulb, initiating inflorescence (1-3 cm in flower stalk length), the initial-branching flower stalk, and full bloom inflorescence, respectively. The activity variations of mannan cleaving enzymes,-mannosidase (EC 3.2.1.25), endo--mannanase (EC 3.2.1.78), and the mannan synthesizing enzyme, GDP-mannose pyrophosphorylase (EC 2.7.7.13), were analyzed during different stages to better understand the role of mannan-metabolizing enzymes during inflorescence development of the Oncidium.

将花梗发育过程分为四个阶段，分别为假球茎刚膨大、刚抽梗（花梗长度约1-3公分）、花梗刚分叉以及花盛开，分析参与分解甘露聚醣之酵素－β-mannosidase（EC 3.2.1.25）及endo-β-mannanase（EC 3.2.1.78），与合成甘露聚醣之酵素－GDP-mannose pyrophosphorylase（EC 2.7.7.13），在不同阶段假球茎内的活性变化，了解在花梗发育过程中代谢甘露聚醣之相关酵素所扮演的角色。

In order to solve the problems of complex cellulose production process and serious pollution, The paper investigated the solubility of cotton stalk cellulose in ionic liquid N-ethyl pyridinium bromide. The structural differences between cotton stalk cellulose and cellulose regenerated from the ionic liquid were investigated using infrared spectroscopy and chemical analysis. Recovery ratio of ionic liquids was also studied.

为解决纤维素生产加工过程复杂且污染严重问题，试验探讨了棉秆纤维素在离子液体溴代N-乙基吡啶中的溶解性能，采用红外光谱等手段对棉秆纤维素在离子液体中溶解和再生前后的结构变化进行了分析，并探讨了离子液体的回收。

This paper discussed the pathogens, disease regularity and prevention countermeasures of maize stalk rot, and elucidated that the infection mechanism of maize stalk rot is primary infection source of Pythium spp under high temperature.

论述了玉米茎腐病的优势病原菌、发病规律及其防治对策，阐明了玉米茎腐病的侵染机制是腐霉菌在高温条件下主要的初侵染原，而镰刀菌因其超强的定殖能力而进行二次侵染，两种病原菌侵染致病的主要活性物质为糖蛋白毒素。

The experiments separated into two parts. First of all, the unsheathing stage of Oncidium 'Gower Ramsey' plants were treated different light period until flower stalk branch emerge, then move to nature light environment. The other part experiment treated the initial unsheathing stage of Oncidium 'Gower Ramsey' plants under different light period until flower stalk length was 10~15 cm, then move to nature light.

本试验分为两部分，一部分选用Oncidium 'Gower Ramsey '完成出鞘期之植株进行不同电照周期处理，在花茎分叉刚长出时，移至自然日长光照下继续生长；另ㄧ部分则选用Oncidium 'Gower Ramsey '约在出鞘期之植株进行不同电照周期处理，在抽出花茎长约10~15公分时，移至自然日长光照下继续生长。

The analysis of correlation indicated that tobacco breeding with higher potassium content has the characteristics of higher stalk height, wider stalk circumference, longer leaf and more leaf number comparatively. The correlations between potassium content and nicotin among top, middle and bottom tobacco leaves were all negative. The correlation among potassium content and malondialdehyde,superoxide dismutase, conductance ratio; and protein, solubility sugar, chlorophyl and free water/bondage water were all attained marked level, however, the essence of correlation was different: the former was negative but the latter was positive. 4.The analysis of heterosis demonstrated there were different degree heterosis in the potassium content of tobacco leaf and other correlated characters, including agriculture, physiology and biochemistry.

相关分析表明，烟叶钾含量性状与株高、茎围和最大叶长的相关性达到了显著和极显著的水平，与叶数的相关虽未达到显著水平，但相关程度相对较高；烟叶钾含量与烟碱在上、中、下三部位叶之间均呈负相关关系，中部叶烟碱与烟叶钾含量的相关达到了极显著水平；烟叶钾含量性状与丙二醛、SOD和电导率以及与蛋白质、可溶性糖、叶绿素和自由水/束缚水之间的相关性均未达显著水平，但相关性质不同，烟叶钾含量性状与前三者之间表现负相关关系，而与后四者之间呈正相关关系；4。

The principles and existing problems of up-absorbing stalk gasifying furnace and down-absorbing stalk gasifying furnace were introduced in details in the paper.

介绍了上吸式秸秆气化炉的原理、存在问题，及改造后的下吸式秸秆气化炉的原理、特点，并与液化气、煤等进行了效益分析比较，指出下吸式秸秆气化炉是当前农村的一种新的清洁能源设备。

As the forward velocity increasing, the windrowing angle would be decreased, but the effect of forward velocity on windrowing distance was not obvious. The windrowing angle and distance of multiple sugarcane stalks would be smaller than those of single sugarcane stalk, but the maximum range of windrowing angle and distance of multiple sugarcane stalks would be greater than those of single sugarcane stalk. In order to sugarcane stalks outward windrowing, holding height must be within ±100mm of height of sugarcane mass center. As holding height increasing, the windrowing distance would be decreased, but the effect of holding height on windrowing angle was not obvious.

随着夹持输送装置输送速度的增大，甘蔗铺放角和甘蔗铺放距离也随着增大，随着机车前进速度的增大，甘蔗铺放角是减小的，而前进速度对甘蔗的铺放距离影响不大；多根甘蔗的铺放角和铺放距离要比单根甘蔗小，铺放角和铺放距离最大极差要比单根甘蔗大；入口夹持点高度应在甘蔗质心高度±100mm范围内为宜，以保证甘蔗能向机车外侧铺放，随夹持高度的增加，甘蔗质心位于夹持点下方的距离增大，甘蔗铺放距离减小，而夹持高度对甘蔗铺放角影响不大。

With Sudan grass and corn stalk as tested materials, the sensory evaluation and analysis of nutritional components were conducted on high-density molding products of fresh fodder crop and crop stalk.

以苏丹草和玉米秸秆为试验材料，对新鲜饲料作物及作物桔扦高密度成型产品进行感官评定和营养成分变化分析。

Edodesfruitbodies cultivated with two kinds of crop sawdust-saving substitutes( cotton stalk powder and corn stalk powder) and CK were studied with the international protein assessment method.

采用国际通用的蛋白质营养评价方法，对2种作物节木代料及CK栽培香菇子实体蛋白质的营养价值进行了比较研究。

Two modified cotton stalk cellulose derivatives (CEN 1, CEN 2) were prepared by re action of epoxy activated cotton stalk cellulose powder with diethylenetriamine or triethylene tetramine , respectively.

我们近期研究［6，7］表明，由农业废弃物棉杆纤维制得的含氮纤维素醚衍生物对有毒的金属离子，尤其是对Hg2＋、Cd2＋、Cr3＋、Pb2＋。

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。