【正文】
ation).This movement of water by capillary action generally creates a homogeneous concentration of water throughout the soil of water stop when the film of water around soil particles reaches held from the surface of the soil particles to mm is essentially immobile and can only be pletely removed with high temperatures(greater than 100 degrees Celsius).Within the soil system, several different forces influence the storage of 。蒸騰作用是水通過植物進(jìn)入大氣。同時(shí),大氣中包含水蒸氣的含量也影響了降水,水蒸氣的含量是由大氣溫度控制的。通過落葉和分解過程,微生物把腐殖質(zhì)和營養(yǎng)成分帶給土壤,也因此影響了土壤的結(jié)構(gòu)和肥力。大多數(shù)的土壤濕度是由降水減去蒸發(fā)作用控制的。第一篇:專業(yè)英語翻譯部分僅供參考!發(fā)現(xiàn)錯(cuò)誤請及時(shí)指出!15頁Climate plays a very important role in the genesis of a the global scale, there is an obvious correlation between major soil types and the Koppen climatic classification systems major climate regional and local scales, climate bees less important in soil , Pedogenesis is more influenced by factors like parent material, topography, vegetation, and two most important climatic variables influencing soil formation are temperature arid has direct influence on the weathering of bedrock to produce mineral of bedrock weathering generally increase with higher also influences the activity of soil microorganisms, the frequency and magnitude of soil chemical reactions, and the rate of plant growth, moisture levels in most soils are primarily controlled by the addition of water via precipitation minus the losses due to additions of water from precipitation surpass losses from evapotranspiration, moisture levels in a soil tend to be the water loss due to evapotranspiration exceeds inputs from precipitation, moisture levels in a soil tend to be moisture availability in a soil promotes the weathering, of bedrock and sediments, chemical reactions, and plant availability of moisture also has an influence on soil pH and the deposition of organic 。溫度同樣影響土壤微生物的活躍度,土壤化學(xué)反應(yīng)的頻率和數(shù)量,植物生長的比例。土壤中的碳氮循環(huán)幾乎都需要動物和植物的參與控制。s surface is generally controlled by the absence or presence of mechanisms that lift air masses to cause is also controlled by the amount of water vapor held in the air, which is a function of air figure is presented that illustrates global precipitation ,是否存在這種飽和基本上決定了地球表面降水的分布。這個(gè)過程需要大量的能量。如果知道了實(shí)際蒸散和潛在蒸散的量,農(nóng)民就可以計(jì)算作物灌溉需要的水量。毛細(xì)作用把水從一個(gè)地方搬運(yùn)到另一個(gè)流失水的地方(最大的水流失應(yīng)該就是植物表面的蒸騰和蒸發(fā))。這體現(xiàn)了這些國家的高出生率和高死亡率。57頁Sea Level the melt of ice cap and glaciers, sea level has rised to large numbers of cities located in coastal areas, this causes serious erosion takes place, particularly on steep are is a picture of Shanghai at present, while this may be the picture of Shanghai several years serious problem is the threat of salt water intruding into underground fresh water in coastal of people will be forced to leave their homes and 。59頁They dominate the country in influence and are the national sheer size and activity bees a strong pull factor, bringing additional residents to the city and causing the primate city to bee even larger and more disproportional to smaller cities in the , not every country has a primate city, as you39。舉個(gè)例子,加州的首位城市是洛杉磯,城市人口達(dá)到1600萬,比舊金山的700高出甚多。隨著注意力轉(zhuǎn)移到農(nóng)業(yè)發(fā)展上,這些項(xiàng)目服務(wù)于鞏固捆綁,增大資產(chǎn),還這些規(guī)定:修建灌溉和排水基礎(chǔ)設(shè)施來提升用水管理能力,修建農(nóng)村公路,土地平整,土壤改良措施以及改變土地用途比如說把貧瘠的土地轉(zhuǎn)變?yōu)樯只蛘邼竦亍?9頁LeakageThe direct ine for an area is the amount of tourist expenditure that remains locally after taxes, profits, and wages are paid outside the area and after imports are purchased。在哥斯達(dá)黎加,近60%的酒店屬于外國人,長期的游客住在第二個(gè)家,這些所謂的美化城市的居民(富人或者退休的人,還有那些想要享受平靜生活和優(yōu)美環(huán)境的自由主義者)的數(shù)量如果達(dá)到一個(gè)臨界值,就會引起他們新家附近的價(jià)格飛漲。水覆蓋了地球表面的大約3/4的面積,并充滿了陸地上的許多裂縫。In our homes, whether in the city or in the country, water is essential for cleanliness and average American family uses from 65,000 to 75,000 gallons of water per year for various household ,無論是在城市還是農(nóng)村,水對于衛(wèi)生和健康來說都是必不可少的。In addition to the direct use of water in our homes and on the farm, there are many indirect ways in which water affects our manufacturing, generation of electric power, transportation, recreation, and in many other ways, water plays a very important ,它還以許多間接的方式對我們的生活產(chǎn)生影響。到達(dá)地面的降雨有一半以上以蒸發(fā)與蒸騰相結(jié)合的形式─騰發(fā),回到大氣中去。在雨量充足且年內(nèi)分布均勻的地區(qū),所有植物都將以大致相同的速度蒸騰,蒸騰總量的不同是由于各種植物生育期長短不同而引起的。Several attempts have been made to relate evapotranspiration to climatological data through simple equations such as用最簡單的方程表示騰發(fā)量與氣象數(shù)據(jù)之間的關(guān)系,人們已經(jīng)進(jìn)行了許多嘗試,如:Where: is the consumptive use in feet and is the sum of the growing season maximum temperatures less in centimeters and temperatures in degrees Celsius, Eq.()bees式中: 表示耗水量,單位是英尺; 代表植物生長季節(jié)最高溫度減去32186。這是因?yàn)闇\根植物將在深根植物前停止蒸騰。第三篇:材料成型及控制工程專業(yè)英語翻譯(部分)第3章的原則塑料成型3。為了能夠把這些原則運(yùn)用到商業(yè)工作流程,我們需要回答兩個(gè)主要問題:(一)多久再結(jié)晶后變形傳遞到位。這些曲線是低合金鋼,扭轉(zhuǎn)測試,但類似的其它鋼得到扭轉(zhuǎn),緊張,或壓縮測試奧氏體條件。巴勒克拉夫,和摩利臣是指,在較低溫度下進(jìn)行比加熱溫度和測試溫度0Nεp沒有影響這些顯示的測試。這是多少有些令人吃驚的,有趣的應(yīng)變率(或Z)在任何特定的應(yīng)變增加的流動應(yīng)力。與此對應(yīng)合理預(yù)計(jì)forεc應(yīng)變的產(chǎn)生是因?yàn)轭A(yù)先存在的重結(jié)晶核總是在變形的結(jié)構(gòu)株更大thanεc。這是通常所帶來的兩階段滾動γ+α一個(gè)地區(qū)或氣溫仍然較低,單相鐵素體。在今天的鍛造行業(yè)的技能和經(jīng)驗(yàn)豐富的forgeman判斷增強(qiáng)調(diào)制解調(diào)器技術(shù)的機(jī)器,產(chǎn)生無與倫比的力量和實(shí)用的金屬部件。鍛件通常是在臨界點(diǎn)的沖擊或壓力尤其是在可靠性和人體的安全性受到影響,但在鍛件的形狀,大小和屬性種類繁多的機(jī)器和交通工具上發(fā)現(xiàn)擴(kuò)展了當(dāng)前的應(yīng)用程序列表和未來潛在用途遠(yuǎn)遠(yuǎn)超出了這一點(diǎn)。沒有他們提供的鍛件和性能特點(diǎn),汽車,飛機(jī),卡車,農(nóng)具,土方機(jī)械,導(dǎo)彈,工業(yè)發(fā)動機(jī)和機(jī)器,和國防的實(shí)現(xiàn),因?yàn)槲覀冎浪麄儠粫强尚械摹?閉式模鍛封閉生產(chǎn)模具,鈦和鎳鍛造基合金,這是最嚴(yán)格的航空航天應(yīng)用中指定的,是一個(gè)復(fù)雜的過程順序。幾杯不同的熔點(diǎn)和粘度進(jìn)行了調(diào)查和用于高溫合金和鈦鍛件。1。只有一個(gè)中風(fēng)的RAM通常需要執(zhí)行鍛造的最大壓力是建立中風(fēng)力量形成的金屬。大多數(shù)記者鍛件形狀對稱,表面是相當(dāng)順利,并提供了更緊密的公差比是由落錘獲得。過程中,提高鋼的滾動就像不物理性質(zhì),化學(xué)性質(zhì)。模具的耐久性取決于他們的護(hù)理和治療。1工作原理,噴射系統(tǒng)。不幸的是,他們是如此不同,這是不可能的凝結(jié)。物質(zhì)的侵蝕,也俗稱模具磨損,實(shí)際上是從模具表面的壓力和滑動變形材料,耐磨耐模具材料,模具的表面溫度,在模具/材料界面相對滑動速度和性質(zhì)接口層是最重要的因素,影響磨料模具磨損。模具受到交替強(qiáng)調(diào)由于裝卸用餐的變形過程,這將導(dǎo)致裂紋萌生和最終失敗。(2)變量死加載的類型,包括速度加載,島E.,逐步影響或模具和變形的金屬(熱成型,這種接觸的時(shí)間是特別重要的),對模具的最大負(fù)荷和壓力,最高和最低模具溫度,和負(fù)載周期的死亡將數(shù)量之間的接觸時(shí)間遭受。數(shù)學(xué)上派生的韌性斷裂準(zhǔn)則已經(jīng)提出基于實(shí)驗(yàn)觀察。在大多數(shù)金屬成形應(yīng)用,表面處理和潤滑油的影響模具壽命的主要因素,因?yàn)樗鼈冎苯記Q定了界面摩擦和保溫。熱軟化,加速磨損,熱裂解和疲勞等,模具的塑性變形。表面硬度高和窮人的傳熱,使模具壽命延長。由于一些研究的結(jié)果,它是確定氮化碳涂層,延長模具壽命比離子氮化物和無治療是一個(gè)更有用的的。第8章的CAD / CAM縱觀我們的工業(yè)社會的歷史,許多發(fā)明專利,并已經(jīng)發(fā)展了全新的技術(shù)。CAD / CAM本身是一個(gè)更廣泛的,更具包容性。一旦創(chuàng)建,這些圖像可以很容易地編輯和操縱各種方式,包括放大,裁減,旋轉(zhuǎn)和運(yùn)動。CMM可用于鍛件,鑄件,沖壓件,加工件的過程和最終檢驗(yàn)。美國的工程師,特別是我們戴明,全面質(zhì)量管理,但日本企業(yè)如豐田,早期的倡導(dǎo)者們熱情申請。第一個(gè)定義,認(rèn)為設(shè)計(jì)師要求所需的直徑測量作為制造軸直徑等參數(shù)。當(dāng)探頭接觸點(diǎn)上的部分,點(diǎn)是指通過軸的關(guān)系。交互式計(jì)算機(jī)圖形(ICG)在CAD / CAM的重要作用。由于計(jì)算機(jī)技術(shù)的出現(xiàn),制造的專業(yè)人士都希望自動化設(shè)計(jì)流程,并使用自動化制造工藝所開發(fā)的數(shù)據(jù)庫。因此,氮化碳死是熱的影響比其他治療。其表面硬度和熱:傳熱系數(shù)的測量,并相互比較。石墨,