开沟器

The second is a multi-beam structure, such as the use of cusp-type trencher Australia's seeder Wudaoliang general, beam and beam of about 1m apart about ditching devices were arranged in a different beam.

二是采用多梁结构，如澳大利亚采用尖角型开沟器的播种机一般有五道梁，梁与梁相距约1m左右，开沟器分别布置在不同的梁上。

At 135 mm depth and 0.28 m/sec speed, the biomimetic furrow opener surface with UHMWPE tubular ridges recorded 0.62 kN and 0.17 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 0.91 kN and 0.82 kW. The experimental values of resistance force and power for the conventional surface furrow opener at 100 mm depth, and 0.28 m/sec speed were 0.72 kN and 0.20 kW, while at 100 mm depth and 0.92 m/sec speed, the values were 1.11 kN and 1.0 kW. At 135 mm depth and 0.28 m/sec speed, the conventional surface furrow opener recorded 0.93 kN and 0.25 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 1.50 kN and 1.35 kW.

试验测试结果：当耕深100 mm和耕作速度0.28 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为0.72kN和0.20kW；当耕深100 mm和耕作速度0.92 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为1.11kN 和1.0kW；当耕深135 mm和耕作速度0.28 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为0.93kN和0.25kW；而当耕深135 mm和耕作速度0.92 m/sec时，实测的普通表面开沟器的土壤阻力和动力消耗分别为1.5kN和1.35kW。

The predicted values of resistance force and power for the conventional surface furrow opener at 100 mm depth and 0.28 m/sec speed were0.51 kN and0.14kW, while at 100 mm depth and 0.92 m/sec the values were0.98kN and0.88kW. At 135 mm depth and 0.28 m/sec speed, the conventional surface furrow opener recorded 0.70 kN and 0.20 kW, while at 135 mm and 0.92 m/sec speed, the values were 1.40 kN and 1.26 kW. The predicted values of resistance force and power for the biomimetic furrow opener surface with UHMWPE tubular section ridges at 100 mm depth and 0.28 m/sec speed were 0.45 kN and 0.12kW, while at 100 mm depth and 0.92 m/sec speed, the values were 0.73kN and 0.66 kW.

对于超高分子量聚乙烯材料仿生脊型非光滑结构表面，当耕深100 mm和耕作速度0.28 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.45kN和0.12kW；当耕深100 mm和耕作速度0.92 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.73kN和0.66kW；当耕深135 mm和耕作速度0.28 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.62kN和0.17kW；而当耕深135 mm和耕作速度0.92 m/sec时，预测的仿生开沟器的土壤阻力和动力消耗分别为0.91kN和0.82kW。

The experimental values of resistance force and power for the biomimetic furrow opener surface with UHMWPE tubular section ridges at 100 mm depth and 0.28 m/sec speed were 0.60 kN and 0.16 kW, while at 100 mm depth and 0.92 m/sec speed, the values were 0.80 kN and 0.72 kW. At 135 mm depth and 0.28 m/sec speed, the biomimetic furrow opener surface with UHMWPE tubular section ridges recorded 0.76 kN and 0.21 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 0.95 kN and 0.85 kW. The predicted and experimental values of resistance force and power for the conventional surface furrow opener were higher than predicted and experimental values for the biomimetic furrow opener surface with UHMWPE tubular section ridges.

对于超高分子量聚乙烯材料仿生脊型非光滑结构表面，当耕深100 mm和耕作速度0.28 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.6kN和0.16kW；当耕深100 mm和耕作速度0.92 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.8kN和0.72kW；当耕深135 mm和耕作速度0.28 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.76kN和0.21kW；而当耕深135 mm和耕作速度0.92 m/sec时，实测的仿生开沟器的土壤阻力和动力消耗分别为0.95kN和0.85kW。

In this work based on existing furrow opener, point data of furrow opener's surface were obtained with reverse engineering technique and 3D reconstruction was conducted with a software in order to attain computational model of furrowing opener surfaces.

在本工作中，第一步，在已有芯铧式开沟器的基础上，采用逆向工程技术，获得其触土面点云数据，应用点云处理软件对点云进行三维重构，得到开沟器触土面的计算机模型。

Cusp-shaped trenching is China Agricultural University in the course of the study of conservation tillage in the introduction of screening test the Australian soil, and it has buried a strong ability to form a narrow groove (small amount of ground-breaking), ability to automatically back to earth, simple structure, reliable, low cost and so on.

尖角形开沟器是中国农业大学在保护性耕作研究过程中引进、试验筛选的澳大利亚开沟器，它具有入土能力强，沟形窄，自动回土能力强、结构简单、工作可靠，价格低廉等特点。

The regulation of water infiltration in furrow of seedbed irrigating was studied. The physical process of soil water infiltration at seedbed irrigating was explained on the basis of soil water dynamics theory.

物理过程描述[1]坐水播种时，开沟器在土壤中开出种沟，然后施水机构灌水于种沟，从这一刻起，入渗过程就开始了，直到种沟内无积水，入渗过程即告结束。

Stagger double discs opener is researched to solve the problems of blocking easily and pushing out stubble to make covering difficult for sharp-angled opener.

错开式双圆盘开沟器主要是为了解决尖角开沟器在大玉米根茬地免耕播种时，易挂茬造成堵塞，或挑出根茬造成覆土不足等问题而研究的。

The machine of Rice Rope Seeding, on the one hand, create a favorable conditions for opener working through anti-blocking boards to push rice stubble and other debris out sowing belt. On the other hand, it can finish these working, which are anti- blocking work、opening work、sowing work、banking work and compacting work in field.

种绳直播机一方面依靠防堵板将稻茬等杂物推送出播种带，为开沟器开沟作业创造良好的条件，另一方面通过播放机构顺利的将种绳播放到田地里，实现防堵、开沟、播种、覆土和整压一次完成。

The machine of Rice Rope Seeding, on the one hand, create a favorable conditions for opener working through anti-blocking boards to push rice stubble and other debris out sowing belt. On the other hand, it can finish these working, which are anti- blocking work、opening work、sowing work、banking work and compacting work in field.

种绳直播机一方面依靠防堵板将稻(来源：ABC8d论文86网www.abclunwen.com)茬等杂物推送出播种带，为开沟器开沟作业创造良好的条件，另一方面通过播放机构顺利的将种绳播放到田地里，实现防堵、开沟、播种、覆土和整压一次完成。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。