density ratio 中文意思是什麼

density ratio 解釋
密度比率
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The results show that the chiral symmetry is restored partially when the strange matter density increases and 2 plays a very important role in the strange matter which may approach the constituents of the neutron stars. in additions, we can find that the strange matter density where the - condensate emerges is led to the ratio of the nucleon number to baryon number. and the occurrence of - condensate is only in certain density and gradually increases for higher density, so we guess that - field may be necessary to carefully consider for studying the neutron stars

    ( 3 ) -凝聚出現時所對應的奇異物質密度值與核子在奇異物質中的比例有關。另外,雖然本文對夸克凝聚的討論是在低密度的奇異物質中進行的,但是-凝聚的出現卻需達到一定的密度值並且隨密度的增大而遞增,所以我們推測場可能對于仔細研究中子星是一必要因素。
  2. The ratio of the microwave radiation to the x-ray bremsstrahlung radiation is dependent on the density in the emitting region.

    微波輻射與X射線韌致輻射的比值與發射區的密度有關。
  3. The ratio of the microwave radiation to the x - ray bremsstrahlung radiation is dependent on the density in the emitting region

    微波輻射與x射線韌致輻射的比值與發射區的密度有關。
  4. The effects of main process factors such as feeding mode, reaction ph values, and ratio of ammonia and nickel ion, reaction time, agitation, reaction temperature and aging et al on the crystallization course and physical properties of nickel hydroxide were studied in detail. at last, we acquired the optimal preparation parameters, the spherical nickel hydroxide with high tap density and crystalloid degree, perfect flow ability were prepared

    在研究加料方式,氨水的加入量,反應時間、體系ph值、反應溫度、攪拌、陳化等主要工藝條件對ni ( oh ) _ 2結晶過程和物理性能影響的基礎上,確定了較優的工藝參數,制備出了堆積密度和結晶緻密程度較高、流動性較好的球形ni ( oh ) _ 2 。
  5. The weight of coating and current density has the direct ratio relation

    電鍍層的量隨著電流密度的增大而增大。
  6. Without considering other aspects, carbon nanotubes with the same aspect ratio have entirely uniform trend in charge density relative distribution curve

    在忽略其他條件影響下,長徑比相同的碳納米管,電荷密度相對分佈曲線趨勢完全相同。
  7. In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

    本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比,同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著,因此,以二者為自變量建立了二元線性回歸方程,通過全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻量范圍。
  8. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明:壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力;曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上,揭示縣域尺度上耕地變化的驅動機制,並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  9. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比,以及增加粉粒含量,從而降低土壤分散度,提高土壤團聚性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  10. Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation

    潮汐是塑造潮灘的主要動力因素,它必然與淤泥質潮灘上潮溝系統的發育有密切的關系,為此,本文以2000年的衛片作底圖,對潮溝系的密度、溝口寬度占低潮線長度的比值以及潮溝面積與潮盆面積的比值,分別與平均潮差建立了相關關系,結果發現,潮溝系的密度與平均潮差之間存在著高度顯著的相關性,溝口寬度占低潮線長度的比值和潮溝面積與潮盆面積的比值與平均潮差之間存在著顯著的相關性。
  11. The specific gravity of a material is the ratio of its density to that of water and is therefore a pure number.

    物質的比重指的是物質的密度與水的密度的比值,所以是純數。
  12. Abstract : based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer. especially for saturation steam , the accuracy of the temperature detection circuit shall be designed higher than the accuracy of the instrument. thus a temperature detection circuit based on ratio method with high accuracy is introduced

    文摘:在分析飽和蒸汽和過熱蒸汽密度的數學模型的基礎上指出,溫度檢測的偏差對智能流量積算儀的精度影響極大,尤其是飽和蒸汽,測溫電路的精度應設計為遠高於儀表的精度,同時引入一種基於比率法的高精度測溫電路。
  13. Only when it takes humidity ratio h / ? as independent variable instead of absolute humidity h in researching and calculating the influence degree of the humidity on the discharge voltage, the emendation coefficients of relative air density and humidity can be independence, and can reflect the influence degree of atmospheric parameters on outer insulation discharge voltage actually

    當以比濕h代替絕對濕度h為自變量研究和計算濕度對放電電壓的影響程度時,相對空氣密度校正系數和濕度校正系數才能相互獨立,才能真實地反映大氣參數對電氣設備外絕緣放電電壓的影響程度。
  14. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結果表明:葉表皮的氣孔排列方式、長度、長寬比,脊的明顯與否,葉表皮上的顆粒紋飾的多少、大小,葉表皮細胞長度、長寬比、垂周壁形狀,上部葉柵欄組織細胞層數、葉的維管束數、葉中脈導管組成數目,氣腔類型,葉的脊部遠軸面的角數,葉緣的形狀等這些特徵在種間存在差異,同時,在有些種之間又有相似性;因此,這些特徵既可以作為區分種的證據,又是研究石蒜屬植物系統演化的性狀指標,根據這些性狀指標,可以將石蒜屬植物大致分為兩個亞屬:一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜,二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜;在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關系則更近些。
  15. With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system

    然而由凝結理論和沉積理論得到的計算結果往往與實際有一定偏差,本課題希望通過實驗的方法獲得內部結露臨界線,即系統進水能力和排水能力相等的曲線,由於系統的進水能力和充放氣過程中凝結水滴密度有關,排水能力和系統容積比有關,可以通過大量實驗總結出以凝結水滴密度和容積比表示的內部結露臨界曲線,作為判別內部結露是否發生的依據。
  16. Viscosity density ratio, kinematic viscosity

    比例粘度
  17. Vapor density ratio

    蒸氣密度比
  18. At first, based on the results of in - situ load tests, the load - settle curves are acquired, and the effects of different reinforcement parameters are presented. these parameters include the linear density ratio ( ldr ) ; the location of the top layer of the geobelt measured from the bottom of the load plate ( u ) ; the different materials of geobelt ; the number of reinforcement layers ( n ) and the distance between the two layers of geobelt ( a h ). these results show that the bearing capacities of the reinforced composite foundation can be improved and the settlement can be reduced

    首先,通過現場載荷試驗,獲取了加筋墊層復合地基荷載-沉降曲線,從筋帶鋪設的密度、筋帶的首層間距、不同筋帶材料、加筋層數以及雙層筋帶的層間距等幾個方面分析了以上加筋參數對加筋復合地基承載力的影響,指出筋帶的存在提高了加筋復合地基的承載力,減小了沉降。
  19. Do not use the cloud or glass loading the device cloud the density low, the flap high, can affect the sound effect. glass density ratio cloud the is high, however not thick and solid, the flap more seriously. can use to spend the or, and it is tallest to is, density particularly, loading device than ideal, but the thickness want 3cm above

    別用雲石或玻璃承載器材雲石密度低,諧振高,會影響音響效果。玻璃密度比雲石高,卻不厚實,諧振更嚴重。可用花崗石或麻石,尤其是麻石,密度最高,承載器材較理想,但厚度要3厘米以上。
  20. By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability

    然後通過比較和分析電流密度比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點,確定了電流密度比補償型共源共柵結構作為本設計核心電路結構,運用負反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路,改善了核心電路的帶負載能力和電流驅動能力。
分享友人