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疏松地
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  “疏松地”译为未确定词的双语例句
     By means of SEM/TEM (SAD), nano- SiO2 particles in rice husk ash (RHA) was first discovered and microstructure of low temperature- rice husk ash (L- RHA) was first revealed. The research results showed that L- RHA consists of nano- SiO2 particles (~ 50 nm) sticking slackly each other.
     采用SEM/TEM(SAD)技术,首次发现了稻壳灰中的纳米SiO2粒子,并首次揭示了低温稻壳灰(L-RHA)的显微结构:稻壳灰由纳米尺度的SiO2粒子(~50nm)疏松地粘聚而成。
短句来源
     Research results show that low temperature-rice husk ash burned at 600'C (L-RHA)consists of nano SiO2 particles( -50 nm) sticking slackly each other.
     实验表明,将稻壳控制在600℃焚烧,所得的低温稻壳灰(Low temperature-rice huskash,L-RHA)由纳米尺度的SiO2粒子(≈50 nm)疏松地粘聚而成。
短句来源
     Experiments showed that low temperature rice husk ash burned at 600℃(L -RHA)consisted of nano SiO 2 particles(~50nm)sticking slackly each other.
     实验表明,将稻壳控制在600℃焚烧,所得的低温稻壳灰(LowTemperatureRiceHuskAsh,L-RHA)由纳米尺度的SiO2粒子(~50nm)疏松地粘聚而成。
短句来源
     The nano-structure of rice husk ash burned at 600℃ was investigated by using SEM and TEM. The results show that the rice husk ash contains some nano-particles of silica (SiO2) with a size of -50 nm, which stick loosely each other.
     对600℃焚烧的稻壳灰(rice husk ash,RHA)纳米尺度的显微结构进行了SEM/TEM(SAD)研究,首次发现稻壳灰由纳米尺度的SiO_2粒子(~50 nm)疏松地粘聚而成。
短句来源
     The microstructure of rice husk ash(RHA) burned under 600℃ is first revealed by using SEM/TEM. Research results show that RHA consists of nano-SiO-2 particles(~50nm) sticking slackly each other.
     采用SEM TEM(SAD)技术 ,首次揭示了稻壳灰的显微结构 :稻壳灰由纳米尺度的SiO2 凝胶粒子(~ 5 0nm)疏松地粘聚而成。
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  相似匹配句对
     Log Interpretation of Unconsolidated Gas bearing Sandstone in Chaidamu Basin
     柴达木盆疏松砂岩气层测井解释
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     DISCUSSION ON THE PROTECTIVE TECHNIQUES OF UNCONSOLIDATED SANDSTONE RESERVOIRS IN CHAIDAMU BASIN
     柴达木盆疏松砂岩气层保护技术探讨
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     The Split Ground Plane
     平面的分割
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     A Brief Analysis on Virtual Ground
     浅析虚
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     2.The loose connective tissue in the subcutaneous layer.
     2 皮下疏松结缔组织 ;
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  loose ground
The disturbing effect of the loose ground at Lund in distinction from the four first-mentioned stations is clearly demonstrated.
      
Major problems encountered have been squeezing ground and large water ingress combined with loose ground.
      
Used to reinforce layers of compacted soil, or to support loose ground between soil nails or rockbolts.
      


The study of the distribution of hydrogen in steel ingots, despite its practical importance, has not received due attention from previous workers. Available experimental results are mainly fragmentary and non-systematic, and therefore many disputable opinions exist. Desirous of investigating this problem in greater details, the authors employed several annealed ingots of high chromium steels which were considered to be particularly suitable because they evolved little gas at room temperature and consequently...

The study of the distribution of hydrogen in steel ingots, despite its practical importance, has not received due attention from previous workers. Available experimental results are mainly fragmentary and non-systematic, and therefore many disputable opinions exist. Desirous of investigating this problem in greater details, the authors employed several annealed ingots of high chromium steels which were considered to be particularly suitable because they evolved little gas at room temperature and consequently the inherent difficulty to avoid the loss of hydrogen during sampling was, to a very large extent, overcome. For this purpose also, suitable apparatus capable of determining relatively small amount of hydrogen was constructed. The results obtained show that the hydrogen distribution in the annealed ingots follows a significant and regular pattern, thus dismissing certain misgiving conclusions based on contradictory results given by previous workers. Although the average hydrogen content of the anealed ingots amounted to not more than half that of the liquid stael, yet in certain parts of their interior the local hydrogen content was found to be higher than that of the liquid steal. This affirms the existence of hydrogen segregation in steel ingots. Moreover, from maps of hydrogen contour lines drawn for the ingots it can be seen that the regions of the highest hydrogen content roughly coincide with the last solification. Indeed, the effect due to certain external irregularities encountered in the course of solification is detectable rather from the hydrogen maps than by the usual method of macro-etching.In the longitudinal or the transverse direction of the annealed ingots, the general trend of hydrogen variation based on average hydrogen content is shown to be governed by the law of hydrogen diffusion. Further examinations reveal that the ingot structure and its internal porosity exert considerable influence upon the distribution. It is likely that hydrogen diffusion may be faster in columnar crystals than in equi-axed crystal regions. The presence of porosities in ingots seems to retard the removal of hydrogen. Such implications have not been sufficiently realized in the past.Based on the discussion of the experimental results, certain immunizing treatment suitable for preventing hairline cracks in certain types of steel is explained.

氢在鋼锭中的分佈是一个具有重要实际意义的问题,但在过去未得到研究工作者足够的重视.本文利用高铬型合金鋼在常温下不损失氢的特点,并建立了適宜的半微量定氢装置,对退火后的鋼锭中各个部位进行了定氢试验。结果证明,氢在鋼锭中的分佈是具有规律性的,指出了前人根据不全面的实验结果所提出的错误结论. 经过退火处理后的鋼锭,其平均含氢量虽然只及原来钢液含氢量的一半,伹在某些局部其含氢量反而高於钢液.这说明钢锭中确有氢的偏析现象存在.根据等氢曲线的分布情况来看,钢锭中氢偏析严重之处大致与最后凝固的部分相符.凝固过程中钢锭一面受到中注管散热的影响,也能从等氢曲线的分佈情况反映出来,而这种影响从低倍检验结果来看是没有能够觉察到的. 从氢含量变化的平均趋势来看,退火钢锭中的氢分佈不管是沿横方向抑是沿縱方向都服从於扩散规律,伹必须考虑到结晶构造和内部缺陷的影响.譬如,沿柱状晶轴方向的氢扩散似乎比等轴晶区域内的氢扩散速度大,而钢锭中心疏松对於去氢则起阻碍作用,过去对於这些方面的了解是不够的. 根据上述结果的分析讨论,本文还为某种防止钢中白点的热处理方法提供了理论上的解释.

After soil survey of the whole region,it is found that the soils of the North China Great Plain consist of four great soil groups including drab soil,light meadow soil,glei swamp soil and saline soil.The term“calcareous alluvial soils” formerly used hardly interprets any mean of soil formation and productive cha- racteristics. The drab soils formerly named as“Shangtung brown soils”are generally located on the alluvial fan and the foot of mountains.Owing to the higher relief,excess drainage and deeper ground...

After soil survey of the whole region,it is found that the soils of the North China Great Plain consist of four great soil groups including drab soil,light meadow soil,glei swamp soil and saline soil.The term“calcareous alluvial soils” formerly used hardly interprets any mean of soil formation and productive cha- racteristics. The drab soils formerly named as“Shangtung brown soils”are generally located on the alluvial fan and the foot of mountains.Owing to the higher relief,excess drainage and deeper ground water(below 4—6 meters),saliniza- tion is not found.The drab soil is neutral to slightly alkaline in reaction. The chemical data show no evidence of chemical decomposition of clay,but the disintegration of soil particles-clay formation is quite obvious.Along the foot of Taihang range,the drab soils are covered with new calcareous material and bring out the process of recalcification shown by the presence of pseudo- mycelins in the Soil profiles. Light meadow soils are generally distributed in the alluvial plain with higher ground water table laying at 2—3 meters.Owing to the frequency of the fluc- tuation of the ground water in the soil profile,oxidation and reduction are alternately carried out and lots of rusts and mottlings are found in the soil profile of these soils.Under intensive cultivation,the surface soil of light meadow soil is usually loose and mellow and contains lower content of organic matter. The glei swamp soils are formed by the lakeside and in the depressed lowlands where ground water table is quite shallow and sometimes close up to the sur- face.In the depressed lands contacted with mountain foot,longer duration of water-lodging produces strongly gleyed swamp soil with higher content of humus. In the depressed portion of alluvial plain,the temporary water-lodging gives weakly gleyed swamp soil with low content of humus,whilst the strongly gleyed soils are found in the depressed land along seacoast. Salinization of soils is influenced by the ground water and relief.Saline soils are usually distributed in the lowland with higher ground water table and higher mineral content of the water.Irrigation without drainage system will rise ground water table and causes the process of secondary salinization. Saline soils of North China plain may be divided into two subtypes:(1) Saline soil of alluvial plain and(2)Saline soils along the seacoast.The former belongs to the chloride-sulfate saline soils in which the ground water table is about 1.5—2.0 meters and the mineral content of the ground water is about 1—3 grams/liter.In the coastal region,the chloride saline soils are usually found with high ground water table at 1.0—1.5 meter and also high mineral content more than 10 grams/liter.The transitional belt between these two soils above-mentioned is sulfate-chloride saline soils where the ground water table is around 1.5 meter and the mineral content of ground water is 5—10 grams/liter. These four genetic soil types are closely related each other and also alternate between themselves.It is very interesting to study the transitional types among these four soil groups. Between drab soils and light meadow soils,the transitional soil types as meadow drab soils and drab meadow soils are formed under different transitional circumstances.The meadow drab soil is distributed at the bottom of alluvial fan with higher ground water table(1.5—3 meters),while the drab meadow soil is formed on the old riverbed in the alluvial plain with comparatively uplifting relief where the ground water table becomes deeper(3—3.5 meters). Many transitional soil types are also developed between the light meadow soils and glei swamp soils.The worse water lodging condition enforces the meadow soil transfering to glei swamp soil,whilst promotion of water condi- tion by diking drainage cannel or local silting up of lowlands causes the trans- formation of glei swamp soil in to light meadow soil or even to the drab soil. Salinization of soil is always accompanied with the formation of light meadow soil.Rising the ground water table and increasing the mineral content of ground water will induce or enforce the process of sainization of soils.On the other side,desalinization of soils can be carried out when the ground water table becomes lower.When the seatide is shut by dikes and the drainage condition is improved,the saline soil in the coastal region will be transfered to the light meadow soils.

经过一年多的大规模调查,证实了华北平原的土壤都具有不同的类型和不等程度的发育,其中包括很多土类、亚类和变种,过去简称华北平原土壤为“石灰性冲积土”,是很难反映情况和说明问题的。华北平原的主要成土过程有褐土过程、浅色草甸土过程、沼泽过程和盐土过程。褐土多发育于山麓及冲积扇形地上,地势较高,排水良好,地下水埋藏较深,约在4—6米以下。在降水淋洗之下,可溶盐类皆被淋失,不发生盐演化现象,土壤只及于粘化作用,pH 值多属中性至微碱性。太行山麓的褐土因受石灰性沉积物的覆盖,发生次生碳酸盐化作用,土壤剖面中有假菌丝体存在。浅色草甸土多分布于冲积平原,其形成过程受地下水的影响极显著。地下水埋藏深度约2—3米,也可达4—5米。由于地下水升降频繁,氧化还原作用交替进行,土壤中呈现显明的锈纹斑,但无假菌丝体。土壤疏松多孔而有结构性,因土壤中有机质较少、土色浅淡而多受人为耕作的影响,故称耕种浅色草甸土。洼地及湖淀附近,地下水埋藏较浅或地表积水,土壤发生沼泽化过程。山麓交接洼地,积水时期长久,潜育作用及腐殖质积累均较显著。平原中洼地比较平坦,积水时间亦较短,腐殖质积累和潜育作用都较轻微。海滨洼地中,潜育作用较为剧烈,但有机质的积累则...

经过一年多的大规模调查,证实了华北平原的土壤都具有不同的类型和不等程度的发育,其中包括很多土类、亚类和变种,过去简称华北平原土壤为“石灰性冲积土”,是很难反映情况和说明问题的。华北平原的主要成土过程有褐土过程、浅色草甸土过程、沼泽过程和盐土过程。褐土多发育于山麓及冲积扇形地上,地势较高,排水良好,地下水埋藏较深,约在4—6米以下。在降水淋洗之下,可溶盐类皆被淋失,不发生盐演化现象,土壤只及于粘化作用,pH 值多属中性至微碱性。太行山麓的褐土因受石灰性沉积物的覆盖,发生次生碳酸盐化作用,土壤剖面中有假菌丝体存在。浅色草甸土多分布于冲积平原,其形成过程受地下水的影响极显著。地下水埋藏深度约2—3米,也可达4—5米。由于地下水升降频繁,氧化还原作用交替进行,土壤中呈现显明的锈纹斑,但无假菌丝体。土壤疏松多孔而有结构性,因土壤中有机质较少、土色浅淡而多受人为耕作的影响,故称耕种浅色草甸土。洼地及湖淀附近,地下水埋藏较浅或地表积水,土壤发生沼泽化过程。山麓交接洼地,积水时期长久,潜育作用及腐殖质积累均较显著。平原中洼地比较平坦,积水时间亦较短,腐殖质积累和潜育作用都较轻微。海滨洼地中,潜育作用较为剧烈,但有机质的积累则不一致,水浅处的有机质积累较多。因地形及地下水的情况不同,土壤盐渍程度各地不一。盐渍土多发生于山前交接洼地、碟形洼地边缘,以及槽状洼地和地上河流的两侧。有些灌区由于缺乏合理的灌排系统和灌溉制度,土壤发生了次生盐演化现象。华北平原盐渍土可分为内陆及海滨两种:内陆盐渍土多属氯化物硫酸盐土,地下水埋藏深度约1.5—2.0米,地下水矿化度约1—3克/升;海滨盐土区多属氧化物盐土,地下水埋藏深度约1.0—1.5米,地下水矿化度大于10克/升;过渡地带(即海滨盐土与内陆盐土的过渡地带)的盐渍土多属硫酸盐氯化物盐土,地下水埋藏深度约1.5米左右,地下水矿化度5—10克/升。华北平原中的四个主要成土过程是互相联系,而且有过渡阶段的。褐土和浅色草甸土的形成条件,主要在于排水情况和地下水位的不同。所以这两种土壤分布毗鄰而有互相过渡的发展情况。扇形地中下部,地面排水尚好而地下水埋藏较浅(1.5—3米),褐土区中可发育浅色草甸褐土。在泛盐平原中地势相对高起的黄河故道或靠近冲积扇地区,地下水埋藏较深(3.5—5米),可发育褐土化浅色草甸土。泛溘平原中的洼地积水愈久,沼浑化过程愈强,可由沼泽化浅色草甸土过渡至浅色草甸沼泽土或沼泽土。但经人工挖沟排水或洼地淤平以后,土壤可由沼泽土转向浅色草甸过程或褐土过程发展。浅色草甸土中如地下水埋藏浅而矿化度高,则土壤可向盐土方向发展。海滨盐土如不再受海潮影响和改善排水情况,则土壤也可由盐土向浅色草甸土发展。

A very rare case of an 8-9 month old human foetus with congenital absence of external genitalia, persistent primitive cloaca, and bilateral renal agenesis was observed from the anatomical and embryological angles. The perineum is represented by an eminence resembling an apricot seed. Macro-and microscopic observations show it to be a genital tubercle. As the ovaries and oviducts are developed normally, the foetus is a female, yet the uterus, vagina, and broad ligaments are absent. Naked-eye examination of...

A very rare case of an 8-9 month old human foetus with congenital absence of external genitalia, persistent primitive cloaca, and bilateral renal agenesis was observed from the anatomical and embryological angles. The perineum is represented by an eminence resembling an apricot seed. Macro-and microscopic observations show it to be a genital tubercle. As the ovaries and oviducts are developed normally, the foetus is a female, yet the uterus, vagina, and broad ligaments are absent. Naked-eye examination of the abdominal and pelvic viscera and serial sec- tions of the latter have revealed that, the cloaca retains its primitive condition, with an abnormal development of the urorectal septum. No kidneys, ureters, renal vessels and nerves are identifiable, after microscopic examination of the sections of the retroperitoneal loose connective tissues taken from every 5 mm. along the posterior abdominal wall from the diaphragm down to the pelvic floor. This indicates an aplasia of the uretic bud and the metanephrogenic tissue. All the blood vessels supplying those organs represent wide deviations from the normal. A possible causes of the anomalies are briefly discussed. A developmental arrest is suggested.

从解剖学与胚胎学观点,观察一例先天性无外阴、原始泄殖腔保留与双侧肾未发育的8—9月胎儿。会阴部只显一杏仁状隆起,经肉眼与显微镜观察此隆起与内生殖器,证明此杏仁状隆起为生殖结构,卵巢与输卵管发育正常,表明为女性胎儿,但子宫、阴道与阔韧带缺如。检视腹腔与盆腔脏器,并把骨盆内脏器作连续切片,发现尿直肠隔发育反常,使泄殖腔保留原始状态。双侧肾、输尿管、肾血管与神经均未找到。循腹后壁由膈至骨盆底每隔5毫米取腹膜后疏松结缔组织,未发现残留的后肾组织,表明输尿管芽与生后肾组织均未发育。所有供给异常器官的血管发现很大变异。产生畸形的原因略加论述,从发育受阻碍或抑制的假说似能作较合理的解释。

 
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