grain unit 中文意思是什麼

grain unit 解釋
穀粒容重
  • grain : n 1 穀物,糧食〈英國叫 corn〉; 谷類植物。2 穀粒,籽粒。3 (沙、金、鹽等的)粒,顆粒,晶粒。4 些微...
  • unit : n 1 個體,一個,一人。2 (計值、組織、機構)單位;單元;小組,分部;【軍事】部隊;分隊。3 【機械...
  1. Grain orientation within the intertidal beach unit is characteristically more-or-less normal to the coastline.

    在潮間海灘單位內,顆粒排列方向的特點是大體上垂直於海岸線。
  2. This army unit produces all its own food grain.

    這支部隊糧食全部自給。
  3. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明:壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力;曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上,揭示縣域尺度上耕地變化的驅動機制,並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  4. The air - flow field in the stripping unit can be adjusted easy by changing the rotation speed of fan which is benefit to reduce the grain losses, it was found during experiment that the cross - flow fan can diffuse some of mog ( material other of grain ) and diffuse it in a certain direction which is useful to satisfy the working condition for driver and lighten working load of the threshing unit of the combine harvester candidate and speciality : peng shengmin ; machinary design and theory supervisor : prof. zhang huiyou

    該裝置可以通過控制橫流風機的轉速,使裝置內氣流在有控制的情況下排出裝置外,改善了裝置內流場狀態,提高了裝置喂入口處的負壓,這對減少摘脫裝置的落粒損失,有著重要意義。由於橫流風機的除雜,可以減輕機器的復脫和清選負荷。安裝橫流風機后可以對裝置的出風口處灰塵進行有效導引,改善駕駛員的工作條件。
  5. Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains

    四個水稻籽粒產量構成因素為單位面積穗數、小穗數、成熟籽粒百分數和成熟籽粒重量。
  6. Intensity resist crushability on unit area n grain

    橫向拉力強度kg
  7. Furthermore, sorting of the sandstones in the braided river is better compared with that of in the meandering river system. in the same subfacies, grain size is larger and sorting is better in the channel sandstones which developed with large - scale cross - beddings such as trough cross - bedding, compared with sandstones in the flood microfacies. in the same microfacies, better sorting and coarser grained sandstones are distributed in the middle and lower part of the unit

    與曲流河亞相相比,辮狀河亞相砂巖的粒度較粗,分選性較好,砂體多次疊置而規模更大;相同河流亞相的河道微相與泛濫平原微相相比,前者的砂巖粒度較粗、分選性較好,發育槽狀交錯層理等大型層理構造;在同一微相內,處于中下部的流體單元其粒度較粗,分選較好。
  8. This paper systematically analyzed and studied the impliment effect of the conversion of cropland to forest in chifeng. the results show that it can improve ecology environment, and promote agricultural production structure and its internal farming and animal husbandry structure, and it also improve the quality of farmland and grain yield per unit, transfer of rural surplus labor, increase income of farmers and herdsmen promote the farming and animal husbandry industrdialization and achieve the overall socio - economic development

    本文通過對赤峰市退耕還林(草)工程實施效果分析表明:該項工程在一定程度上改善了生態環境,促進了農業產業結構及其內部種植業結構、畜牧業結構的調整與優化,推動了農牧業產業化經營及社會經濟的整體發展,有利於提高糧食單產、轉移農村剩餘勞動力、增加農牧民經濟收入。
  9. We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain

    要保護好基本農田,穩定糧食播種面積,優化糧食品種結構,著力提高糧食單產。
  10. The authors probed into the reason of ambivalence, pointed out the development relationships among them, and mainly brought forward seven measures : ensuring necessary plantations and studiously increasing yields of grains ; setting up reasonable grains reserves ; increasing the yield of unit area and overall productivity of land, and ensuring gross yields of grains to be increased steadily ; adjusting measures to local conditions, differentiating land varieties among the total land of gansu province to produce grains ; continuously adjusting structure of production, improving agricultural economy benefits, and increasing farmer incomes ; realizing essential self - support of gross grains, meanwhile dealing with well regional and structural scarcity gradually ; strengthening outcomes of ecological construction, increasing the intensity of ecological compensation, utilizing strategy of virtual water to solve grain safety to be fragile and sensitive regions of ecology, and realizing agricultural sustainable development

    文章分析問題的矛盾所在,指出三者的辨證發展關系,並主要提出七點措施:保證一定的播種面積,努力增加糧食產出;建立合理的糧食儲備規模;依靠科技,主攻單產,提高土地的綜合生產能力,保證糧食總量穩定增長;因地制宜、分類指導省內不同地區的糧食生產;繼續調整農業生產結構,提高農業的經濟效益,增加農民收入;實現省內糧食總量基本自給的同時,逐步解決好區域性、結構性短缺問題;鞏固生態建設成果,加大生態補償力度,利用虛擬水戰略解決生態脆弱區、生態敏感區等局部地區的糧食生產安全,實現農業可持續發展。
  11. Cereals, oilseeds and pulses. measurement of unit pressure loss in one - dimensional air flow through bulk grain

    谷類.油料籽和豆類.對透過堆積穀物的一維空氣流中的單位壓力損失的測定
  12. Income of farm household in major grain producing areas is positively correlated with educational level of farm workers, unit grain yield, seeded area of quality grain varieties, and the investment capacity of farm households, and negatively correlated with work time of farm households

    摘要糧食主產區農戶家庭收入與農戶家庭勞動力受教育水平、糧食單產、優質糧食品種播種面積、農戶家庭投資能力呈正相關,與農戶家庭農業勞動時間呈負相關。
  13. Through the experimental analysis of the single factor, the influence of the rotation speed of the two kinds cross - flow fan and the forward speed was find on grain losses of the unit, finally the optimum combination of the forward speed and the rotation speed was got

    通過單因素的實驗分析,找出在橫流風機不同風機轉速,不同的行車速度下摘脫裝置落粒損失的變化規律,並確定了最佳的裝置參數組合。
  14. The pneumatic performance of the fan was got when working at several different rotation speeds based on the similar theory, which is useful to estimate the pneumatic performance of the fan when the air flow of the fan changes, and further the grain loss of the unit can be estimated

    由裝置出風口的氣流流量,通過特性曲線來求解出風機該狀態下的其他性能系數,分析此情況下的風機性能對裝置落粒損失的影響因素。
  15. Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power

    文摘:本文通過理論分析及實測資料檢驗表明,無論對於何種泥沙運動狀態,決定泥沙運動的有效切應力既不是沙粒切應力又不是全部切應力,而是介於兩者之間,近似為沙粒切應力與全部切應力的幾何平均值.這一有效切應力不但是對切應力類水流強度指標的總結,還可以概括平均流速和水流功率等水流強度指標
  16. Given a relatively stable sown area, china can achieve its desired total grain output target if the annual average increase rate of per unit area yield is one percent from 1996 to 2010 and 0. 7 percent from 2011 to 2030

    在播種面積相對穩定的前提下,只要1996 ? 2010年糧食單產年均遞增1 , 2011 ? 2030年年均遞增0 . 7 ,就可以達到預期的糧食總產量目標。
  17. In general, polycrystal or twin magnetostrictive materials are used as the drive unit in micro - displacement actuator. however, the displacement output of the actuator under low magnetic field is small and its precision is limited, as a result of motion restriction of magnetic domain walls by grain boundaries in polycrystal or twin magnetostrictve materials

    磁致伸縮是一種磁?機械耦合現象,以tb - dy - fe為代表的稀土超磁致伸縮材料,其伸縮量為普通壓電陶瓷的30 - 50倍,響應時間低於10 . 6秒,是理想的位移致動材料。
  18. The grain losses were measured and compared when adopting the two different cross - flow fan, and the reason of the grain loss was analysied on the unit with two kinds of cross - flow fan, it ' s found that the cross - flow fan with bent vane is superior to the vertical vane. the pneumatic performance of the model cross - flow fan used in this dissertation was pre - searched at 1500 rpm by professor wang in this dissertation

    試驗所用的曲板式橫流風機為前人研製的模型風機,本文通過該風機在1150r / min的轉速下的特性曲線,運用相似理論推導出其在550r / min 、 450r / min 、 350r / min的轉速時該風機的特性曲線。
  19. Abstract : a research has been carried out theoretically and experimentally on the relationships among the unit volume fragmenting power of the diamond - circular saw and the factors such as grain sizes, concentration and working clearnce

    文摘:從理論和實踐上研究孕鑲金剛石圓鋸片的單位體積破碎功與金剛石的粒徑、濃度及工作間隙等因素的關系。
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