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1)  rice stem
水稻茎秆
1.
We compare the minute structures of several different kinds of rice stem and analyze the relationship between its minute structure and mechanical property.
水稻茎秆是典型的生物复合材料,有着优良的力学性能,起到支撑和抗倒伏的作用。
2.
In order to evaluate the differences of rice-stem lodging resistance between controlled irrigation and regular irrigation,and seek irrigation treatment which was beneficial to rice stem lodging resistance,rice-stem was taken as the research object,and the performance of rice-stem lodging resistance was studied under different irrigation treatments.
为了评价控制灌溉处理与常规灌溉处理下水稻抗倒伏能力的差异,寻求有利于水稻茎秆抗倒伏的灌溉处理方式,以水稻茎秆为研究对象,研究了不同灌溉条件下水稻茎秆抗倒伏性能。
2)  Rice straw
水稻秸秆
1.
Effects of maize and rice straw amendment on the pH,CO_2,and exchangeable NH_4~+ of submerged soil;
添加玉米和水稻秸秆对淹水土壤pH、二氧化碳及交换态铵的影响
2.
Study on allelopathic effect of extract of rice straw on wheat;
水稻秸秆水浸提液对小麦的化感作用研究
3.
A laboratory incubation experiment was carried out to investigate the dynamic effect of the decomposition of rice straw in three paddy soils on dissolved organic matter(DOM) and its chemical fraction including dissolved sugars(DS),dissolved phenols acids(DP) and aromatic compounds.
采用室内培养方法研究了水稻秸秆腐解对土壤溶解性有机质(Dissolved Organic Matter,DOM)含量及其化学组成的动态影响。
3)  submerged stalk
水稻茎基
4)  brittle culm rice
脆茎水稻
1.
Studies on harvest index and culm lysine content in the transgenic brittle culm rice inserted lysine-rich protein gene;
转高赖氨酸蛋白基因脆茎水稻的收获指数及秸秆赖氨酸含量的研究
5)  Ditylenchus angustus
水稻茎线虫
6)  stemflow
茎秆下流水量
1.
The amount of water applied above canopy,throughfall,stemflow,and interception storage were measured using a water balance method during the growing season of sweet corn in northern China plains to evaluate the incorporation of corn canopy in sprinkler water distribution.
试验结果表明,喷灌水经玉米冠层再分配后所形成的棵间和茎秆下流水量分别占冠层上部水量的45。
补充资料:茎秆切碎机
      将收获后的作物茎秆或青饲作物铡切成碎段的饲料加工机械。主要有铡草机和青饲切碎机。二者的结构基本相同,都由喂入链、压草辊、上下喂入辊、切碎装置等组成(图1、图2)。作业时,物料由喂入链经压草辊和上下喂入辊压紧,送到切碎装置切成碎段,再经抛送叶片抛出机外。  切碎装置有滚刀式和盘刀式两种。滚刀式切碎器切刀刃口的运动轨迹呈滚筒状,饲料由径向喂入,在切刀和定刀作用下将饲料切成碎段。其结构紧凑、使用调节方便、功率消耗较少,多用于小型铡草机。为使切碎时饲料不产生滑移,切刀与定刀间的钳住角(推挤角)一般为40°~50°,切刀有螺旋线刃口和直刃口两种。螺旋线刃口切刀钳住性能好,切割质量高,切割阻力矩较均匀,但制造工艺复杂,磨刃困难。直刃口滚式切刀强度好,制造容易,磨刃方便,使用较普遍。盘刀式切碎器的切刀刃口轨迹呈圆盘状,饲料由轴向喂入,刀盘以350~750转/分的转速旋转切碎饲料,并能直接抛送饲料碎段。因此,功率消耗较大,多用于大、中型铡草机和青饲切碎机。盘式切刀有直刃口、 凸刃口和凹刃口3种。直刃口盘式切刀的切割阻力矩变化较大,但强度高,磨刃方便。凸刃口切刀多用偏心圆型,其切割阻力矩较均匀,但由于在切割近终了时钳住角过大,而产生偏磨现象。凹刃口切刀的钳住角较小,切割质量好,但磨刃较困难。制作青贮饲料用的青饲切碎机常用带有抛送叶板的盘刀式切碎器,能将青饲碎段直接送入青贮饲料塔或青贮窖、青贮壕内。若采用滚刀式切碎机,则应另设吹送风机,才能将青饲碎段抛入青贮建筑物内。
  
  茎秆切碎机的碎段长度,可通过改变喂入速度或增减刀片数目来调节。在茎秆切碎机的喂入端,必须装设安全装置,以保证人身安全。
  

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