change in density 中文意思是什麼
change in density
解釋
密度變化-
In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model ”
由於人類活動干擾強度加大，公路效應深度不斷擴展， 1976年為5km ， 1988年為7km ， 2003年達到11km ;受自然、社會條件的影響，不同路段的公路效應存在較大差異，甚至同一路段兩側效應也各不相同。 1976年至2003年，距公路不同距離范圍內的人口密度都在增加，且距離公路越近，人口數量密度越大、增長越快，人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明，人口密度 -
Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。 -
In many lakes in summer that is a warm low - density layer ( epilimnion ) lying above a colder denser layer ( the hypolimnion ), the zone of rapid temperature change between the two layers being celled the thermocline
夏季，多數湖中溫暖的低密度水層（湖面溫水層）在寒冷的較高密度水層（湖底凈水層）之上，中間夾有溫度改變較快的水層（變溫層） 。 -
In this research, the plant esterase of wheat and - ethanoic acid naphthalene ester were taken as materials to inspect the relation between the wheat esterase and the organic phosphorus, ten linearity equations were established which expressed the esterase vigor and the organic phosphorus density logarithm with the change of the numerical value of ultraviolet resorption, and the monotony range and the extremum of the function were confirmed
摘要本研究以小麥為植物酯酶的酶源， -乙酸萘酯為底物，考察了小麥酯酶與有機磷農藥之間作用的關系，建立了10個以吸光值變化表示的酶活性與有機磷農藥濃度對數之間的線性方程，並確定了函數的單調區間和極值。 -
Deviation in the immobilized antibody density is relatively high even with a minute change in experimental conditions, and the amount of detection antibody can be accurately controlled by transferring a metered volume ( 8 )
盡管在實驗條件下只有很小改變，固定抗體的濃度偏差也會相對較高，而檢測抗體的量就能通過移取量好的體積來精確控制。 -
The research on the properties of the copper nanoparticles / paraffin thermosensitive composite materials reveals : the thermal sensitivity and the thermal expansion are " aried by the cempress moulding in heat condition with the change in density ; the thermal sensitivity is varied by the mechanical milling with the change in particle shape and particle dimension ; the mass ration of copper and paraffin in the composite materials also affects the thermal sensitivity, the thermal expansion and the thermal stability with the change in copper nanoparticles and paraffin interface
對復合顆粒進行壓力成型后制備的復合材料進行性能測試分析表明：熱壓成型工藝通過改變復合材料的緻密度來影響材料的熱敏性和熱膨脹性。高能球磨工藝主要通過改變球磨時間使銅粒形狀和粒徑發生變化來影響復合材料的熱敏性，以及改變銅粉和石蠟的質量比使納米銅粒和石蠟的復合界面發生變化來影響材料的熱敏性、熱膨脹性和熱穩定性。 -
The results showed that yielding the strength increase with the strain rate, the energy absorption increase with increasing strain rate and was related to the density. strain has slightly effect on the strain rate sensitivity of the solid material, but the strain rate sensitivity of fs increase with increasing true strain and also increase with incremental change in strain rate at the same true strain. the properties of thermal conductivity, electrical conductivity and electromagnetic shielding were studied
實驗結果表明，泡沫鋁的屈服強度隨著應變率的增加而增加；應變對固體材料的應變率敏感度影響很小，但是泡沫鋁的應變率敏感度不是常數，而是隨著真應變的增加而增大，在同樣的應變下，隨著應變率變化幅度的增大而增大；泡沫鋁的能量吸收隨著應變率的增加而增加並且和泡沫鋁的密度有關；泡沫鋁的吸能效率隨著應變率的增加略有下降。 -
The fractional change in bold signal for a given change in blood flow can vary in different parts of the brain, depending on the local density of blood vessels and the physiological state of the particular tissues at rest
同樣的血流改變所導致的血氧濃度變化信號變化，在腦的不同部位會有不同的大小，端視局部的血管密度以及靜態下特定組織的生理狀態而定。 -
In single crook we change the density of charge in crook to adjust the velocity profile
電滲驅動下彎道引起的彎道內外徑速度差可以通過改變彎道形狀和電滲強度的方法進行改善。 -
The soil physical properties have obvious vertical distribution characteristic in the slope. the bulk density in sunlit slope is greater than it in sunless slope, and change in the follow order in the slope : top < middle < lower. while saturated soil moisture, field capacity, and wilting moisture are on the contrary
在地形上，土壤物理性質具有明顯的垂直分佈規律，陰坡除土壤容重外，飽和含水量、田間持水量和萎蔫濕度均大於陽坡；同一坡度和坡向下，容重從坡下向坡上遞增，飽和含水量、田間持水量和萎蔫濕度均從坡下向坡上遞減。 -
Fig. 6 quantitative analysis of the change in the optical density along a straight line within the dense - core of the ldcv in the nerve terminal of rat spinal cord
圖7定量分析猴脊髓后角內神經終末中大緻密芯泡泡芯內沿直線的光密度變化。 -
Fig. 7 quantitative analysis of the change in the optical density along a straight line within the dense - core of the ldcv in the nerve terminal of monkey spinal cord
圖7定量分析猴脊髓后角內神經終末中大緻密芯泡泡芯內沿直線的光密度變化。 -
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。 -
On the basis of data available, this paper analyzes the regional difference of urbanization in china from three aspects, such as the change of the level of urbanization, the change of density of cities and the change of the speed of the urbanization
本文在既有文獻的基礎上，從城市化水平變化、城市密度變化及城市化速度三個方面分析了我國城市化水平區域差異，得出改革開放以前差距縮小而改革開放以後差距擴大的結論。 -
Increased radiation from the sun and occurrence of geomagnetic storms i. e. severe distortion of geomagnetic field of the earth may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit
輻射的增加及地磁暴即地球磁場急速變形的出現，會導致地球上層大氣的擾動，例如空氣密度的上升，從而使衛星和太空船在航行時受到的阻力大增，航行速度因而減慢，甚至軌道亦會改變。 -
Increased radiation from the sun and occurrence of geomagnetic storms ( i. e. severe distortion of geomagnetic field of the earth ) may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit
輻射的增加及地磁暴（即地球磁場急速變形）的出現，會導致地球上層大氣的擾動，例如空氣密度的上升，從而使衛星和太空船在航行時受到的阻力大增，航行速度因而減慢，甚至軌道亦會改變。 -
The pseudo - dynamic test gives the model ' s earthquake response, failure characteristic and special seismic property, unveil the structure ' s failure procedure of " low density setin block ' s break - slab rib ' s break - end post ' s concrete craze - end post ' s steel bar yielding ", providing full and accurate experimental information to establish the seismic design method. the slab ' s crack discrimination condition is prescribe. the extreme shear strength bearing moment, shear and pressure synchronously shows the bearing capacity components and change in slab ' s failure process
提出了密肋復合墻體開裂的判別條件；對于墻體在彎剪壓耦合作用下的極限抗剪承載力性能，分析了其構成因素及其隨破壞過程的變化規律；在試驗研究和數值分析的基礎上，提出密肋復合墻體抗剪和抗彎承載力表達式，並對典型墻體多遇地震作用下的承載力可靠指標進行了驗算；對影響墻體抗剪能力的各種因素進行了顯著性分析。 -
3. more, the investigation of wave propagation characteristic in round waveguide filled periodically changeful plasma in density is done, by numerical calculation, to analyze the effect on the propagation characteristic when background plasma density and the amplitude of plasma density change
3 .研究了電磁波在填充密度周期變化等離子體金屬圓波導中的傳輸特性，通過數值計算分些了不同等離子體密度和背景密度情況下對波的傳播特性的影響 -
Response of ring width and ring density of platycladus orientalis to climate change in beijing
側柏年輪寬度和年輪密度對氣候變化的響應 -
The slight change in density will trigger the contraction of the cloud by its own gravity. a sphere known as
星際雲中輕微的密度變化，皆會引致星雲產生重力收縮，最後形成一個稱為
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