元素變量 的英文怎麼說

The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。

All these rocks aforementioned are mainly parametamorphic rocks. milan, kaqiang and alamasi group underwent high - grade metamorphism of amphibolite facies, together with weak migmatism. they share the same geochemistry and total ree and many other chracters

二者主要為副變質巖石，米蘭巖群和卡羌巖群、阿拉瑪斯巖群變質較深為角閃巖相，普遍弱混合巖化，它們具有非常相似的地球化學特徵，稀土元素總量及其它特點一致或相近。

The contents of organic material, limonite and manganese hydroxides influence the variation of ore element.

有機物、褐鐵礦和氧化錳的含量影響著成礦元素含量的變異。

Taking it for example that zhujiabaobao section of panzhihua vanadic titano - magnetite deposit, the paper detailedly analysed its change regularity in ore texture and structure, mineral composition and content, ore chemical composition, mineral chemical composition, rare element " s change feature of rock and ore, exploding temperature of mineral inclusion. on the basis of above, the feature of rhythmic texture of ore body in panzhihua vanadic titano - magnetite deposit was researched

本文以攀枝花釩鈦磁鐵礦朱家包包礦段為例，詳細分析了該礦段中礦石組構、礦物成分及含量、礦石化學成分、礦物化學成分、巖石及礦石稀土元素變化特徵、礦物包裹體爆裂溫度等的變化規律，進而研究了攀枝花釩鈦磁鐵礦礦體中的韻律結構特徵。

Through researching the rhythmic change regularity of ore texture and structure, mineral composition and content, rare element " s change feature and the exploding temperature of mineral inclusion, combining the theory of magmatic ore - forming, the forming process of panzhihua vanadic titano - magnetite deposit could be divided into four periods : rock - forming period, main ore - forming period, hydrothermal period and surficial processing period

通過對礦石組構、礦物成分及含量、稀土元素變化特徵、礦物包裹體爆裂溫度的韻律式變化規律的研究，結合巖漿成礦理論，將攀枝花釩鈦磁鐵礦礦床的形成過程劃分為四個期：成巖期、主成礦期、熱液期、表生期。

Change of mineral nutrient elements content in growing period of cerasus humilis

野生歐李生長期礦質營養元素含量的變化

Progress on reproductive system of forest seed orchards

種仁營養成分和無機元素含量的變異

After various indexes including constant elements, trace elements and organic gases in core sediment of site 1146 were analyzed, the changes of their vertical section curves of content with depth were studied and the potential reasons were also discussed in the paper

通過對1146站位巖心沉積物各常量元素、微量元素及各有機氣體的測試分析。研究了各元素及氣體含量的縱剖面曲線隨深度的變化，討論了其可能的原因。

The wall rock of ore - bodies is the siliceous dolostone and alkaline volcanic rock ( trachy andesite ) in the yinachang deposit. based on the shape of ore - bodies and the structure and texture of ores, the deposit was identificed as synsedimentary with wall rocks. there occurred ree minerals, such as bastnaesite, monazite and allanite, associated with apatite and fluorite with ree contents to a certain extent

礦體產出形態和礦石的結構構造等均顯示礦體與賦礦地層同沉積特徵；出現獨立礦物氟碳鈰礦、獨居石及褐簾石，磷灰石、螢石、菱鐵礦等礦物中也含有一定量的稀土，沿礦體走向和垂向稀土元素變化不大。

Different liquids, pure water and hydrochloric acid, nitric acid and aqua regia were tested with icp - ms analysis to collect borehole nanoscale material, and concentrations of elements in varied liquids were determined

摘要利用等離子體質譜技術，對已知礦區井下進行了純水和不同濃度的鹽酸、硝酸和王水等液態捕集劑的捕集吸附性能試驗研究，獲得了不同液態捕集劑中元素含量隨濃度變化的規律。

An entity is a value, object, subobject, base class subobject, array element, variable, function, instance of a function, enumerator, type, class member, template, or namespace

實體是一個值，對象，子對象，基類子對象，數組元素，變量，函數，函數的實例，枚舉符，類型，類成員，模板，或名字空間。

The integrated study of heavy mineral, palaeocurrent direction, and sedimentary facies distribution has disclosed that the detritus are derived chiefly from the southeast and east - northeast during the deposition of the yanchang formation in the late triassic. the variations in the palaeocurrent directions have consequences for the development and distribution of the sequence stratigraphy and sedimentary facies of the yanchang formation. the major and trace element analyses of the mudstones from the yanchang formation also show that the lake waters would be freshened to brackish

初次通過泥巖常、微量元素測試資料和沉積學分析得出，延長期富縣探區湖泊水體屬于淡水-微鹹水，微量元素含量及其比值在剖面上的變化對延長期湖平面升降和氣候的演變具有良好的響應，湖平面升降、氣候演變對層序地層的發育有著直觀而又重要的影響。

On the basis of substituting space for time, communities dynamic characteristics including composition and structure, species diversity, population niche, soil nutrient content were investigated

本文採用以「空間代替時間」的方法對各個恢復階段植被群落的動態特徵，包括：物種組成結構、物種多樣性、種群生態位、土壤營養元素含量變化的特徵進行了研究。

This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。

Furthermore, if the expansion had been accelerating, two key aspects of the early universe ? the pattern of cmb variations and the abundances of light elements produced seconds after the big bang ? would not agree with current observations

再者，若膨脹一直都在加速，那麼cmb的異向性變化，和在大霹靂之後數秒所生成的輕元素含量，這兩項早期宇宙的關鍵宇宙學預測，也會悖離現今的觀測。

Analysis of mineral elements content variation in rice in panxi and adjacent regions

攀西及相鄰地區稻米中礦質元素含量的變異分析

Studies on the variation of mineral element content in almond fruits and leaves during its development

扁桃幼果發育期果實和葉片中礦質元素含量的變化

For the fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w alloy system, the peak value of quenching appears in 950 - 1100. the peak value increases with the increment of w. when the content of w is 2 %, the temperature of temper hardening is 550. for the fe - 2 % c - 4 % v - 4 % mo - 5 % cr - 2 % w alloy, the appropriate quenching temperature can be controlled in 1000 1050 and the time of preserving heat is 12min

57 （原於百分比，人分析表明， mg的變質作用的產生是由於mg影響了合金元素的偏析，使得基體組織中合金元素含量增加，相當于使合金分配系數k更偏離於1 ，從而促進了形成縮頸、晶粒繁殖和成分過冷傾向。

Determination of serum ca, zn, cu, fe in 500 urban preschoolers

珠海市兒童營養性貧血與血清微量元素變化的分析

Changes of trace elements in serum of patients with acne vulgaris

痤瘡患者血清中微量元素含量的變化