受主密度 的英文怎麼說

Acceptor atom density

受主原子密度

The conclusions indicate that trl outperformed the control group in attitude, ability, and knowledge, these two instructional forms have prominent differentiations, the research has the conclusions that : a ) trl can nurture students " attitude towards learning, enrich students " knowledge, increase their ability and making them integrating learning strategies, b ) trl can promote students " co - operative learning, make them explore actively, and it is effective to foster mutual understanding and friendship between the han nationality and the minor nationality, c ) trl can set up an learning environment to achieve students " learning aims, such as nurturing attitude, stimulating motivation, increase students " knowledge level, d ) trl is an effective way to enhance students " learning abilities, such as information - collecting, question - probing, problem - solving, e ) trl is an important way to integrate school education with social environment, to

因此在中等職業學校實施研究性學習，不但十分必要，而且完全可能，其目的在於改變學生以單純地接受教師傳授知識為主的學習方式，為學生構建了一個開放的學習環境，提供了多渠道獲取知識、並將學到的知識加以綜合應用於實踐的機會，促進他們形成積極的學習態度和良好的學習策略，培養了他們的多種社會實踐能力，以便於他們能更好地適應21世紀發展的需要。本研究以哈密地區衛生學校2001級（ 1 ）班社區醫士專業學生為實踐對象；以小組合作研究為組織形式；以課內與課外相結合為實踐途徑；以強調對所學知識、技能的實際運用，注重學習的過程和學生的實踐與體驗為實踐的總目標；以進入問題情境階段、實踐體驗階段、表達和交流階段為一般程序。

It is found that mld based on a temperature change from the ocean surface of 0. 5 degree celsius is deeper, especially from jan. to apr., while mld based on a variable density change from the ocean surface with a temperature change of 0. 5 degree celsius is shallower

分析表明，基於溫度階躍0 . 5得到的mld較深，尤其在1 4月，這可能主要是因為沒考慮mld此時受到的鹽度變化的影響；基於溫差為0 . 5對應的密度定義的mld最淺。

Nowadays the development of abyssal aquaculture cages is playing an increasingly important role in the sea farming industry in china but meanwhile, there are still some problems arising the sea farming industry in china focus on shoals and bays with good protection in which the water depth is small while the aquaculture density is large. these factors in addition to the pollution problems in the coastal gone have descended the quality of fishes, thus have had some negative effects on the economic benefits

目前我國海水網箱養殖業發展迅速，日漸成為漁業發展中的一個重要產業，在發展的同時，也暴露出一些問題：我國海水養殖主要在淺灘、掩護較好的海灣內，水深較淺，養殖密度大，加上近岸水域的污染，使魚品質下降，經濟效益受到一定影響。

So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system

轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波動力矩為主的擾動力矩的影響，而摩擦力矩、電機波動力矩的減小又受到轉臺製造工藝水平的限制，所以，轉臺伺服系統的低速特性以及抖動補償研究，對結構簡單、性能優良的精密光電跟蹤系統的研製，具有相當重要的意義。

Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

計算結果表明：當塵埃粒子的溫度較低時，塵埃粒子主要集中在圓柱形放電器的中心很小的區域，塵埃粒子攜帶的電荷幾乎是一個常數，受塵埃粒子空間電荷的影響，離子在該區域的密度最高。在遠離中心區域，離子和電子呈現雙及擴散特點；當塵埃粒子的溫度較高時，塵埃粒子分佈的區域和高離子密度區域擴大，塵埃粒子離放電器中心越遠，攜帶的負電荷越多。

From the result of optimum, the higher splitting tensile strength is maim from the fiber amount of hpc, and connected with the coupling of other ingredients

由配比優化結果可知，抗拉強度的提高主要受碳纖維摻量的影響，同時與其它因素的交互作用有密切關系。

Though much progress has been achieved in previous study, there still remains a lot to be studied and perfected. the thesis is devoted to study on the multi - ribbed slab wall, the main bearing member in mrss, including its mechanism, failure mode, aseismic capability, mechanical models, ultimate bearing capacity and aseismic design based on control. the paper mainly accomplished such work as follows : 1 ) based on test research on multi - ribbed slab wall, the paper proposed the member ' s failure modes under horizontal loads, analyzed the co - performance between the inner frame and the infilled silica bricks and that between the slab and the outer frame, discussed the wall ' s bearing capacity, rigidity, deformation, ductility and energy dissipation ability in different modes, and put forward a simplified mechanical model of the slab wall under vertical loads

本文針對密肋壁板結構的主要受力構件? ?密肋復合墻體為研究對象，就其受力機理、破壞模式、抗震性能、三階段力學模型、極限承載能力以及基於控制的抗震設計方法等進行了較為詳細的研究，完成的主要工作有： 1 ）通過對密肋復合墻體在水平低周反復荷載和單調荷載作用下的試驗研究，提出了墻體的主要破壞模式；分析了框格與內部填充砌塊、墻板與外框的共同工作的受力特點；探討了不同破壞模式情況下墻體的承載能力、剛度、變形、延性、耗能等抗震性能，並給出了豎向荷載作用下密肋復合墻體的簡化力學模型。

With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

研究結果表明：通過對rpc各組分摻量變化的研究，可以找到rpc的最優配合比；試件成型后的熱養護制度對rpc的性能影響巨大； rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況，剛纖維的摻入可以大幅改善rpc的韌性； rpc在成型后存在較大的收縮，而其中的化學收縮要遠遠大於乾燥收縮； rpc具有很強的抗氯離子滲透性能，漿體的密實度很高；通過x射線衍射實驗，可以發現rpc的膠凝體中ch晶體已經幾乎不存在，膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件，酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用，但是機理各有不同。

Consequently, the metal interconnects of vlsi have smaller sectional area and carry increasing power density, which made the electromigration become one of the main latent damage modes

作為vlsi互連線的金屬薄膜的截面積越來越小，其承受的功率密度急劇增加，使得電遷移成為電路的主要失效模式之一。

In young chickens aev induces paralysis, ataxia and muscular dystrophy, while in older chickens, infection is usually subclinical, resulting in a decline in egg production and hatchability. infectivity was shown to remain unaffected by chloroform, low ph, pepsin, trypsin and deoxyribonuclease. magnesium cations were shown to stabilise preparations of the virus against heat inactivation. the buoyant density of virions are 1. 31g / ml. the diameter of the virion was estimated to be 22 to 30nm. the aev can be adapted to grow in chicken embryo. the inability of aev to grow effeciently in most cell cultures

幼雞感染該病毒后，引起麻痹、頭頸震顫甚至共濟失調，而成雞常呈亞臨床感染或導致產蛋量和孵化率下降。病毒的感染性不受氯仿、低ph 、胃蛋白酶、胰酶和脫氧核糖核酸酶的影響，鎂離子可增強病毒對熱的穩定性，病毒的浮密度為1 . 31g ml ，直徑為22 - 30nm ，該病毒主要在雞胚中增殖，在大多數細胞培養物中不生長。

Liquefaction of saturated sands is a greatly complicated phenomenon. its generation, development and dissipation are restricted by physical property, stresscondition and boundary condition of soils. in addition, there are a lot of influencing factors such as density, structure property ， clay content, degree of saturation, gradation, hydraulic conductivity, initial stress condition and dynamic load character and so on

砂土液化是一種相當復雜的現象，它的產生、發展和消散主要由土的物理性質、受力狀態和邊界條件所制約，存在許多影響因素，例如土的密度、土的結構性、粘粒含量、飽和度、級配、透水性能以及初始應力狀態和動荷載特徵等。

Oil type 1, non - biodegraded oil, is characterized by low viscosity, low density, high content of saturated fraction, low content of resin and asphaltene and high ratio of isomerization of steranes

第一類原油粘度和密度低，族組成以飽和烴組分為主，非烴和瀝青組分含量低，甾烷異構化指標高，未遭受生物降解。

Oil type 2, also non - biodegraded, is characterized by extremely high viscosity, relatively high density, low content of saturated fraction, high content of resin and asphaltene and low ratios of isomerization of steranes

第二類原油粘度特大，密度相對較高。族組成以非烴和瀝青質組分為主，飽和烴含量低。甾烷異構化指標低，未遭受生物降解。

The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

公路沿線廣泛分佈有昔格達地層，昔格達地層能否用作高速公路路基填料，國內沒有先例，本論文就是結合導師的科研項目，在非典期間，現場長達5個月的工作，完成了從試驗、現場施工工藝到路堤分層沉降監測等工作，是面對生產實際，認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有：對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析，研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響，通過地區地震活動頻繁，差異沉降較大，對公路建設、安全運行和沿線構築物設計有較大影響；由於昔格達地層在有些路段作為地基、有些作為路基，對其基本性質進行了研究：包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明：昔格達地層為湖相沉積，主要為砂巖和泥巖，它以細粒組為主，同時粘粒的存在，使其具有一定粘性。

The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )

浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。

Namely, the electric field at the drain - side edge of the gate decreases with the increasing of negative charge density in the surface, so the breakdown voltage of gaas mesfet ' s will increase

表面受主態的增多使表面負電荷密度增大，表面聚集的負電荷可以分散漏側柵邊緣處的電力線密度，減弱了柵靠漏一側的電場強度，擊穿電壓提高。

( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test

在研究過程中本文主要做了以下工作： （ 1 ）針對巖石損傷變化較小時，運用ct均值和方差分析不方便的缺陷，本文提出運用對ct數范圍劃分區段的方法，根據各區段統計頻率的變化規律來分析損傷擴展狀況； （ 2 ）針對巖石受到外部作用的多變性，本文提出了基準損傷，正損傷，負損傷的概念，在某種程度上考慮了巖石受到外部作用時的壓密情況； （ 3 ）現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值，這實際上是很難觀測到的，因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量，由於現有的勒邁特教授應變等價原理使用上的不便，本文在其基礎上進行了推廣； （ 4 ）建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程，並用算例進行了驗證； （ 5 ）對兩種不同巖石在開放環境下受到凍融循環作用且融化過程中補水時，內部損傷隨凍融循環次數增加的擴展規律進行了探討，主要運用了常規的ct均值和ct方差的分析方法進行分析，試驗發現：對于孔隙率和含水率較高，密度和強度較低的軟弱巖石，凍融循環次數對損傷結構的擴展有明顯的影響，而對于孔隙率和含水率較低，密度和強度較高的硬巖，凍融循環次數對其損傷結構擴展初期由於含水率低的原因，影響不是太大，而後期由於水補給后，含水率較高的原因，凍融影響逐漸增大； （ 6 ）運用了本文提出的區段劃分和統計頻率的方法，深入地分析了開放環境下的線性溫度變化的凍融循環次數，凍結溫度，凍結速度不同巖石作用時，其內部損傷隨凍融循環次數，凍結速度和凍結溫度變化的擴展規律，需要指出的是除了在試驗前飽水外，凍融過程中沒有補水。

Most ones were these disorganized partly, mainly, till all, mitochondria fused by itself, circled, mitochondria membrane broke and disintegrated

處理20d后，細胞核與線粒體受損情況加重，主要表現在，細胞核膜間距加大，異染色質疑聚，常染色質電子密度降低。

At first, the interactions of hts permanent magnet and applied field are studied, that is the levitation force of ybco bulks over the ndfeb guideway and the influences of the applied field to the hts permanent magnet. secondly, the pulsed field magnetization properties of ybco bulks are studied. at last, the influence of the sample ' s thickness, shape as well as the density to the levitation force over the ndfeb guideway and the trapped flux of ybco bulk are studied

文中主要研究了高溫超導永磁體在外場下的受力狀況以及外場對其內部磁通量的影響、高溫超導ybco塊材在不同脈沖場下的俘獲磁通特性以及超導體塊材自身的厚度、形狀、密度等參數對其在外場下受到的懸浮力和俘獲磁通的影響。