查询词典 stubble plow

In addition, aerodynamic roughness of stubble field increased with the increasing of stubble height, until the heights reached 15, 30, 15 cm for naked oats stubble, oilseed rape stubble and wheat stubble, respectively.

同类作物不同高度的留茬覆盖下，地表空气动力学粗糙度随留茬高度的增加而增大，在莜麦、油菜和小麦茬高度达到15、30和15 cm时显著增大，是3种留茬防风的有效高度。

The experiment use cucumber as materials, There were two stubble cultivation includingspring stubble and autumn stubble. Three temperature environmentwere setted upby opening back slope ,back wall and front ventilation mouth or cover of many layers ortemporary hightened temperature. Jinchun 3 was used in spring stubble and Jinyou 1 was used inautumn stubble. The experiment initially ascertained that different temperature conditions ingreenhouse influence on growth and yield of cucumber by studying different temperaturetreatments effect on atmosphere factors (air temperature, ground temperature and relativehumidity), growth, correlated physio-biochemical index and yield of cucumber, which couldprovide reasonable temperature parameters for greenhouse cucumber cultivation in our province.

本试验以黄瓜（Cucumis sativus.L）为材料，分为温室春秋两茬栽培，通过开启后坡、后墙、前侧通风口大小、多层覆盖、临时加温等手段，设置 A、B、C 三个温度环境，春茬选用品种为津春 3 号，秋茬为津优 1 号，通过研究不同温度管理方式对日光温室内气象因子(气温、地温和空气相对湿度)及黄瓜的生长、产量、相关理化指标、果实商品性、品质的影响，初步探明日光温室内不同温度管理对黄瓜生长及产量形成的影响，为我省日光温室黄瓜栽培环境控制提供合理的温度参数。

For the sparseness of oilseed rape stubble and thin stem of benne stubble, their wind-breaking effects were worse than wheat stubble and naked oats stubble.

高度相同时不同类型的留茬比较，莜麦和小麦茬下风速降低幅度较大，植株稀疏的油菜茬和秸秆较细的胡麻茬的防风效果较差。

Introduction Chapter I introduces the purpose and significance of the topic, as well as stubble pulverizer introduced at home and abroad in the current status and trends of development, The second chapter introduces the various types of stubble pulverizer and its characteristics, Chapter III has made for the future stubble pulverizer in the study design and the production of some of the envisaged applications, the fourth chapter is the overall design stubble pulverizer calculation, Chapter V of this meeting for some of the experience of curriculum design experience, the sixth chapter references.

第一章引言主要介绍了该题目的目的和意义以及介绍了根茬粉碎机在当前国内外发展的现状和趋势，第二章主要介绍了根茬粉碎机的各个类型和其特点，第三章主要提出了对于未来根茬粉碎机在研究设计以及生产应用中的一些设想，第四章是根茬粉碎机的总体设计计算，第五章是对于进行本次课程设计的一些经验心得，第六章是参考文献。

The wind tunnel test results show that surface soil velocity and wind erosion modulus in the farmland under plow tillage are larger than that under no-tillage with standing crop stubble, while surface roughness under plow tillage is smaller than that under no-tillage with standing crop stubble.

风洞试验研究表明：翻耕土壤地表风速、土壤风蚀侵蚀率均比免耕土壤高，而地表粗糙度免耕明显高于翻耕。

This paper makes the soil movement be four sections: a Cutting soil with edge; bThe soil movement along the plowshare and plow chest's below surface; c The soil movement along the plow cliff ;dThe soil movement beyond the plow in the course of farming in order to study the force of moldboard plow surface.

本文在研究犁体曲面受力时，把犁耕时土垡的运动分为四个阶段：a 用铧刃切开土垡；b 土垡沿犁铧和犁胸下部曲面运动；c 土垡沿犁壁运动；d 土壤超出犁壁曲面运动。

Shuangjian licensing plow shovel high quality and low price, I produced Shuangjian licensing Road mill with plow shovel manufacturing, licensing Shuangjian plow shovel as sharp as the sword, tenacity wearable, Shuangjian plow shovel is your best option.

双剑牌犁铲质优价廉，我公司生产的双剑牌犁铲用道轧钢制造，双剑牌犁铲像剑一样锋利，坚韧耐磨，双剑犁铲是您最佳的选择。

The purpose of researching the fields of stubble is that corn stalks will be aimed at post-harvest stubble part, above ground and below-ground stubble of the main stem and crush evenly Hunban in the topsoil, To loose soil and increase soil organic matter, improve the physical properties of the soil, increase the aggregate structure function.

本课题研究的灭茬还田机，目的在于将玉米秸秆收获后的根茬部分、地面以上留茬及地面以下主茎部分粉碎并均匀地混拌在耕层中，达到疏松土壤、增加土壤有机质、改善土壤物理性质、增加团粒结构的功用。

This paper analyses and calculates the plow parameters about two kinds of high speed plows LEMKEN and KUHN, and studys the relation between the geometric parameters of shape of moldboard plow surface and soil properties, plowing quality, forces properties, plowing speed, resistance and energy dissipation during the plowing. Then according to the direction of developing high efficiency and saving-energy agriculture, under the premise of good farming quality this article puts forward a kind of method setting the mathematics model about plow resistance through the new cultivation principle and the new design principle.

本文通过对比分析的手段对LEMKEN和KUHN两种高速犁参数两种犁体曲面参数进行量化分析计算，分析犁体曲面形状的几何参数与耕后质量、土壤的力学特性、耕速、阻力和功率消耗等相关关系，结合目前高效节能型农业的发展方向，提出在保证作业质量的前提下，应用新型耕作理论和新型设计理论建立牵引阻力数学模型。

Soil and water conservation protective cultivation is an advanced cultivation technology that avoid cultivation or few cultivation on farmland and with stubble cover.Protective cultivation technology is an integration technology that use stubble cover,no-tillage cultivation,deep-plough with machine,and weeding with chemistry.Adopting soil and water conservation protective cultivation can reduce the loss of soil and water in northeast blackland area and improve the soil anti-erodibility.

中文摘要：水土保持保护性耕作是对农田实行免耕少耕，并用农作物秸秆残茬覆盖地表的一项先进耕作技术，保护性耕作技术是由秸秆覆盖、免耕播种、机械深松和化学除草等核心技术组成的一项集成技术，采用水土保持保护性耕作措施可以有效减少东北黑土区的水土流失，提高黑土区土壤抗蚀性。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。