surface excess 中文意思是什麼

surface excess 解釋
表面超額
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • excess : n 1 過量;過剩。2 超過,超越。3 超過數量。4 過度,(飲食等)無節制。5 〈pl 〉 過分行為,暴行。adj...
  1. Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method. our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination, adjustment of the laser, test for absorption ability of minerals to laser, designing and manufacturing high - vacuum sample chamber, sample preparation and irradiation, research on the variability of j values on the surface of rock chips, measuring atmospheric argon, determination and correction of blanks and ages, etc. the laser microprobe technique is particularly effective for some geological samples. it can be used, for example, for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon

    本文首先從常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫定年實驗室的改進入手,進而建立了激光~ ( 40 ) ar ~ ( 39 ) ar定年實驗室,利用這兩種先進同位素地質定年方法,結合其他手段,對青藏高原腹地和北緣的阿爾金斷裂系多期地質事件進行了詳細的同位素年代學研究:一、參照國際先進實驗室的流程,對我們的常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫實驗室在樣品的預處理、樣品的照射條件和系統空白測量及校正等方面進行了改進,使之產出的同位素年代數據更可靠並為國際同行所承認。
  2. The results show a few grooves appear on the worn surface of the composites which contain 10 phr nano - al2o3 there are a great many grooves on the worn surface of the composites containing 20 phr. in addition the deeper cracks also appear. this shows that excess nano - al2o3 particles ca n ' t improve wear properties of pa6 ' s. the proper content of nano - al2o3 in the matrix can enable the molecular chains of pa6 to produce closed joints which resemble the physical crosslinking

    尼龍6 / a12o :復合材料的加工性能研究表明:隨著納米a12o3的加入,復合材料的熔體流動速率下降,納米a12o3含量越大,下降越明顯,即隊6 / a12o3納米復合材料的加工性能越差;隨著納米a12o3的加入,復合材料的轉矩和塑化時間都增加,當含量小於巧phr時,隊6復合材料的轉矩增加幅度不大,當含量超過15phr后,轉矩急劇升高。
  3. Sputtering is the process in which material is removed from a surface as the result of a bombardment by atoms or ions with energies in excess of about 30ev.

    濺射就是用能量大於30eV左右的原子或離子,轟擊材料表面,把表面上的材料除掉的過程。
  4. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 )耕作制下紫色土的產流主要機制是: 1 )當雨前土壤含水量未達到飽和狀態時,表面產流起始時間有明顯滯后現象,這與紫色土的快吸水性和較多非毛管孔隙密切相關;當雨前土壤較乾燥,降雨初期雨強較大時,易形成臨時相對不透水表層,表面產流峰也有明顯滯后現象。 2 )表面徑流的產流方式主要是超滲產流,當土壤達到飽和狀態后,有四川大學博士學位論文小部分回歸流發生,但主要是飽和超滲產流發生,因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 )壤中流主要是飽和產流,與降雨過程有明顯的滯后,而且雨停后的壤中流產流歷時與降雨特徵無關。
  5. There are some main problems included surface water pollution, groundwater overdraft, excess fluorine of rural drinking water, deficiency of rural water supply, and low efficiency water use

    存在的主要問題是地表水污染嚴重、地下水嚴重超采、農村飲水氟超標和水量不足、水資源浪費仍很嚴重,以及管理手段有待提高等。
  6. From the experimental study, we gained function curve of heat flux and surface excess temperature under the atmospheric pressure. it will provide the base of farther development in the future

    通過實驗,得出了常壓下得熱流密度與壁面過余溫度的關系曲線,為今後的進一步研究提供了基礎。
  7. With the wind, pressure and sea surface temperature ( sst ) data provided by ncep / ncar reanalysis project and excess length of day ( lod ) data provided by international earth rotation service ( iers ), atmospheric angular momentum ( aam ) and its horizontal and vertical transportation are computed and analyzed, which are in accordance with maintenance of the zonal circulation. and the anomalous aam is highly consistent with el nino events

    應用ncep / ncar40年再分析計劃提供的風場、氣壓場、海溫等資料以及國際地球自轉服務局( iers )提供的日長變化資料,計算大氣角動量及其水平、垂直輸送,分析其氣候及異常特徵,發現角動量及其輸送與緯向環流的維持相一致,角動量異常與厄爾尼諾事件緊密相關。
  8. It has been shown that in one - dimensional consolidation problem considering rheological characteristics of soil, there exists two consolidation degrees defined in different terms, i. e. up which is in terms of effective stress and us which is in terms of settlement. while up shows the rate of the dissipation of excess pore pressure ( or the increase of effective stress ), us indicates the rate of the development of the surface settlement of the system. and there exists significant difference in numerical value between up and us, especially for layered soils

    分析研究表明:當考慮土的流變時,存在著兩種不同定義的平均固結度,即按有效應力定義的固結度u _ p和按沉降定義的固結度u _ s ,前者反映了地基中超靜孔壓的消散率(或有效應力的增長率) ,而後者反映的則是地基表面的沉降率,兩者在數值上有較大的差異,特別是對于成層地基。
  9. For sedentary pursuits in temperate weather, people have no need to sweat : excess metabolic heat easily moves from blood vessels at the surface of the skin into the surrounding air

    人在溫和天氣中從事靜態活動時,不需流汗:新陳代謝產生的多餘熱量很容易從皮膚表面的血管散入周遭空氣。
  10. By using ec membrane material as column packing, double - distilled water as mobile phase, the retention times ( tr " ) are measured with suitable inorganic and organic compound as solutes. 3. complying with the retention times, the partition coefficient of the solute ( ka " ) and the ratio of the surface excess concentration of solute ( ) with the concentration of the parent fraction ( cab ) are calculated

    利用物理改性的方法研製了乙基纖維素( ethylcellulose ,簡稱ec )膜材料,並將其作為高效液相色譜柱的固體填料,以高效液相色譜模擬反滲透實驗平衡條件,以水為流動相,選擇合適的無機物和有機物作為溶質,測定乙基纖維素對它們的相對保留時間及平衡分配常數k _ a 。
  11. Different from cyclic loading acted on onshore foundation, the wave pressure plays double roles as : the surface loading imposed on the mudline and the boundary condition of excess pore pressure

    與常規陸上荷載不同,波壓力不僅是外加的循環表面力,而且是海床表面的超靜孔隙水壓力邊界條件。
  12. Moreover, in terms of picture quality too, eastone s screens effectively block the return of excess light thanks to the application of original - technology stainless steel sputtering on the rear surface

    並且,在畫質上,我們採用獨創的「不銹鋼噴射」技術,屏蔽了多餘光線的反射。努力實現高清晰高品質畫質。
  13. So the machinist ' s purpose is to remove the excess stock as fast as he can without leaving, at the same time, a surface too torn and rough, without bending the piece if it is slender, and without spoiling the centers

    機加工工人的目的是盡可能快地切除余料,而留下的加工表面又不能太粗糙,細長的工件不能抗彎,也不能損壞頂尖。
分享友人