挖根機 的英文怎麼說
中文拼音 [wāgēnjī]
挖根機
英文
grubber-
According to the multi - areas development strategy, the corporation has expanded its business to engineering and construction of all kinds of civil works, municipal and public works, marine works, dredging and reclamation works as well as manufacture and installation of hydraulic steelworks and electro - mechanical equipment, with the major annual capacity of 150 million m3 in earth and rock works, 15 million m3 in concrete production and placement, 10, 000 mw in installation of generating units, and 150, 000 tons in manufacture and erection of hydraulic steelworks
根據多元化發展戰略,集團公司的業務范圍除水電工程總承包外,還將業務擴展到各類土木工程、市政工程、海事工程的設計、施工、機械設備和金屬結構製造安裝等,核心競爭力進一步得到擴展和增強,形成了年完成土石方開挖15000萬立方米、混凝土澆注1500萬立方米、發電機組安裝1000萬千瓦、鋼結構製作安裝15萬噸的綜合施工能力。Based on the analysis of the characteristics of the raw mix slurry preparing process in alumina sintering production process, firstly, a mechanism model based on material balance principle was established as the master - rule model for the quality prediction ; secondly, considering the problem that the alkali liquor composition was unstable and its real - time measurement was difficult, a nn ( neural networks ) prediction model for the prediction of the alkali liquor composition was set up and nesting - integrated with the mechanism model ; finally, using the gray theory for the information mining from the errors of the mechanism model, a gm ( 1, 1 ) compensation model was put forward and parallel - connection - integrated with the mechanism model, achieving a raw mix slurry quality prediction model
摘要針對燒結法氧化鋁生產過程中生料漿配料工藝的特點,根據物料平衡的原理建立機理模型,作為生料漿質量預測的主規律模型;針對堿液成分波動大且難以實時檢測的問題,對堿液成分含量建立了神經網路預測模型,並和機理模型進行嵌套集成;利用灰色理論對機理模型的偏差數據進行信息挖掘,建立了gm ( 1 , 1 )補償模型,並與機理模型進行並聯集成,獲得生料漿質量預測模型。First of all, the data system in the article is discussed and the goal function used to optimize the agricultural structure and the inhabitable condition are offered. then according to the characteristic of agricultural data system the logical structure of data bazaar in the data warehouse in the system is designed and the program for drawing out the data for data warehouse are offered. and we use the analysis services in sql server 2000 to design the multi - dimension data volume, which laid the groundwork for the later olap and data mining, we make use of the technique of mining the association rules to discover the rules in the data which are processed in a certain extent
本文首先探討了該系統中的數據指標體系,給出了相應的優化農業結構使用的目標函數和約束條件;然後根據農業數據的特點,設計了該系統中的數據倉庫中的數據集市的邏輯結構,給出了相應的數據倉庫數據的抽取程序;利用sqlserver2000中的analysisservices設計了數據倉庫的多維數據集,為後面的聯機分析處理和數據挖掘打好了基礎,並利用關聯規則挖掘技術,對經過一定處理之後的數據進行挖掘;最後選擇windows2000作為網路服務器、 sqlserver2000數據倉庫的服務器、利用microsoftvisualinterdev 、結合asp 、 frontpage 、 photoshop等作為系統開發平臺,設計開發基於intranet的農業結構優化決策支持系統,使得決策支持系統在intranet進一步擴展。In order to facilitate selection of tbms in a project based on engineering geology and hydrogeology conditions, project characteristics and environmental constraints, it is necessary to understand the operation mechanisms of different tbms and classify them accordingly
本文介紹了各種類型的全斷面隧道掘進機的運行機理,並根據最終開挖隧道斷面,掌子面的支護類型及巖土體的破碎機理對全斷面隧道掘進機進行分類。Control effect with high accuracy and stability on hydraulic shovel is achieved by feedback plus feedforward, nonlinear compensation, state feedback and gain scheduling on conditions
通過採用反饋加前饋控制、非線性補償、狀態反饋和根據狀態對增益編排,獲得了對液壓正鏟挖掘機的高精度控制效果和高穩定性。According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。2. the catalogue fittings no. and picture no. are in accordance with those of taiyuan heavy - type machinery works and fushun digging machine factory
2本目錄配件序號和圖號是根據太原重型機器廠和撫順挖掘機廠的配件目錄序號對應分別編排。Based on field test and theoretical analysis, the mechanism of instability of slurry - supported excavations was investigated from angles of soil arching effect, time - dependent effect, overall stability, and local stability
同時,根據現場試驗和理論研究成果,從土拱效應、時間效應、整體穩定性和局部穩定性等方面分析了泥漿護壁開挖的失穩機理。According to the parameter we carries on the structure, the hydraulic system design and the blueprint, making this machine realize rotary drilling movements, break the frozen coal and unload the frozen coal to the outside of rail car ; carries on the processing, the assembly and the debugging of this machine
根據得出的參數進行結構和液壓系統的設計,繪制圖紙,使該機實現旋挖進給運動,破碎凍煤和凍煤卸車;進行零部件進行加工、裝配,經過樣機調試,達到了設計的目的。Matrix not only satisfies the critics of the surface of the modern cries of the western society, but also deeply and essentially finds out the source for this crisis
馬克思不僅僅滿足於批判西方社會現代性危機的表象,而是深入本質地挖掘造成這一危機的社會根源所在。The key factors to make the slide is controlled to make the model be similar in geometry, material and fabric with the antetype, then simulate the infection of river, digging of road and so on, measure the data of the distortion of model, analyze the reason of the distortion and factors of the slide
試驗抓住造成滑坡的主要因素,根據所得的巖石力學參數及結構面參數,在幾何條件、模型材料、結構面條件等方面都基本滿足相似原理的情況下,對模型進行了河流下切、公路開挖等條件的模擬,測量觀察邊坡的卸荷回彈與層面的彎曲變形情況,利用所側數據分析論證滑坡的形成機制和影響因素。This paper designs the characteristic curves and system curves for the dredging materials of the water and all kind of mixtures, which base on the theory of hydraulic dredging and the experiment data of prototype dredger, then puts out the equations of computing the work point of dredge pump system and the model that can simulate the work condition of dredging pump such as the flow rate, vacuum and pressures
該模型根據水力疏浚原理和1750挖泥船的技術數據,設計了泥泵和管路的清水特性曲線與泥漿特性曲線,在此基礎上給出了泥泵工作點的計算方法。最後給出了計算泥泵工況的模型和模擬實例; 3 、絞刀電動機拖動系統。All the algorithms are implemented in c. to assess the performances of the algorithms, we first apply theoretical distribution and use pseudo - random function to generate some synthetic datasets, on which experiments are then performed to find hybrid association rules
所有演算法均用c實現。為驗證演算法的有效性,我們根據理論分佈,使用偽隨機函數生成了若干數據集,進行了關聯規則挖掘實驗,並對實驗結果進行了分析。Based on the gathered data, especially displacement data, statistically analyzing and feed back according to various empirical methods, theoretical norm and fem computation are conducted so as to grasp the rules of deformation and stress of ground and structure, assess the stability of ground and structure as well as determine reasonable support time and parameters, ultimately achieve safety without compromised safety
根據獲取的量測信息,尤其是位移信息進行統計分析,依照各種經驗方法和極限應變準則,以及有限元計算綜合進行反饋,把握重疊隧道採用先上後下多臺階開挖工法時圍巖和隧道結構的變形和受力規律,確認圍巖和隧道結構的穩定性,確定合理的支護時機和支護參數,保證施工安全的基礎上追求經濟性。4 a new blade has been developed and its parameters have been studied in detail. 5 a new no - tillage planter 2bmyw - 2 is made and more than 110mu fields in herbei province are planted using it. the production experiments shown that the rate of clearing rootstalks away from seed beds is more than 92 % and disturbed soil is from 20 % to 27 % and the working performance of the sample machine is excellent
( 5 )製作出2bmyw - 2型切挖式玉米免耕播種機一臺,在河北豐寧和學校農場進行了110多畝的免耕播種試驗,結果表明:該機對播種帶的玉米根茬清除率達92以上,種床基本無玉米根茬,破茬能力強、清茬效果較好,動土量少,表土破土量約佔20 27 。The test results in the no - tillage fields with corn rootstalks shown that the sample machine has a good ability to cut and dig corn rootstalks only in the seed beds so that the new no tillage planter can create a good condition of seed bed and have lower power consume. 2 system experiment is conducted to investigate the mechanical properties of rootstalks and soil rootstalk composite. the experiment results include : ? he maximum cutting force decreased exponentially with increasing cutting speed and the moisture contents of rootstalks
通過對新型免耕播種機的田間生產試驗,證明了切挖處理播種帶玉米根茬原理可行,所開發的機具結構新穎,具有創新性;該機不但能創造無根茬的良好種床條件,有利於種子生長發芽,而且不需大量粉碎根茬,因而擾土量少、整機消耗動力小、破茬入土能力強,有利於充分發揮保護性耕作的優勢。The work will be done by an amphibious grab dredger, either fitted with a closed grab or a backhoe depending on the condition of the mud, starting from the southern edge of the deep bay mudflat and working in towards the mangroves and the sluice gate of
有關方面將使用一輛水陸兩用挖土機進行工程將,根據泥灘的情況採用抓鬥挖土機或挖掘機,從后海灣泥灘南面開始,進入紅樹林及17號基圍水閘。In the light of significant energy losing during the hydraulic excavator working, a dynamic system was made up from the diesel engine, the variable pump, the control valve and the load to cut down the losing energy from a systematic approach based on the control characteristics of the system elements
摘要針對液壓挖掘機在工作過程中存在的大量能量損失,根據泵的控制特性曲線,將發動機、變量泵、控制閥及負載作為一個動態系統來研究其節能問題。The method to build the virtual excavator prototype is given in this paper. the vp is composed of simulation models of subsystems. the virtual prototyping process are based on the early cooperation of experts from different disciplines and then the final integration of modules from these concurrent tasks
在研究液壓挖掘機整機系統的基礎上,藉助于虛擬樣機技術理論的指導,提出了挖掘機虛擬樣機的實現策略,即根據抽象建模的需要將挖掘機劃分為有機關聯的單學科系統及模型,分別在不同的支撐軟體上并行建模,再利用網路和系統集成技術將各子系統模型集成為挖掘機虛擬樣機。Taking advantage of the good points of the fuzzy control adjusting the flow rate of the pump according to the variation of the external load by fuzzy inference, the energy saving of the excavator is accomplished without the help of the modelling of its whole complex system
此方案利用模糊控制的優點,繞過對挖掘機復雜來系統模型的建立,通過模糊推理演算法,根據外負載的變化動態調整泵的流量,達到節能的目的。分享友人