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rough     
相关语句
  粗糙
     Study of Electromagnetic Scattering from Rough Sea Surfaces
     粗糙海面的电磁散射研究
短句来源
     Research on Rough Set Data Analysis Based Intelligent Decision Support Systems
     基于粗糙集数据分析的智能决策支持系统研究
短句来源
     Research on Rough Set Based Methods for Data Mining and Decision Support
     基于粗糙集的数据挖掘与决策支持方法研究
短句来源
     Research of the Generalized Rough Set Model and Its Application in Data Mining
     粗糙集扩展模型及其在数据挖掘中的应用研究
短句来源
     Study of Rotating Machinery Fault Diagnosis Based on Rough Sets Theory
     粗糙集理论在旋转机械故障诊断技术上应用的研究
短句来源
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     Some Technologies and Application Research of Rough Set Theory
     集理论的若干技术及其应用研究
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     Rough Set Information Analysis in the Application of Fault Diagnosis and Self-Repairing Flight Control System Effectiveness Evaluation
     集信息分析在故障诊断中的应用及自修复飞行控制系统效能评估
短句来源
     Study on Rough Set-based Data Mining Techniques and Its Applications
     基于集的数据挖掘技术及其应用研究
短句来源
     The Study on KDD Technologies Based on Rough Set Theory
     基于集理论的KDD技术研究
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     Study of Job Shop Dynamic Scheduling Based on Rough Sets Theory
     基于集的车间动态调度研究
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  粗糙的
     The disks etched with HNO_3 had a smooth surface,while those etched with hot H_2SO_4/H_2O_2 or hot H_2SO_4/HCl had rough surfaces,and the surface etched with hot H_2SO_4/HCl had larger micropores.
     而H2SO4/HC l、H2SO4/H2O2处理方法可获得粗糙的表面,其中H2SO4/HC l处理后的表面孔隙更大。
短句来源
     while for γ<12, it is rough.
     当γ<12时界面是粗糙的
短句来源
     This can be ascribed to the interstices at the Al_2O_3-Ni interface due to the projected deposition of Ni atoms on the Al_2O_3 rough surface.
     这可归因为在粗糙的Al2O3表面投射式的沉积Ni原子时,在Al2O3 Ni界面留下了空隙.
短句来源
     Conclusions: Under most circumstance, wettability of saliva on pure titanium is better than that on PMMA,and this wettability could be improved by polishing or forming a rather rough surface(Ra≥1.0,Rz≥1.5).
     结论:唾液对纯钛的润湿效果,可以通过高度磨光或形成较为粗糙的表面(Ra≥1.0,Rz≥1.5)得到提高,多数情况下这种润湿效果好于PMMA。
短句来源
     4. The ceramic with rough surface didn't produce The tissue inflammation reaction until it contacted with the muscle tissue in 147 days, but did form the thick fiber capsule wrapping with 50-130um, which protected soft tissuc from mechanical irratation of the implant when the muselg acted.
     (4)生物活性玻璃陶瓷与肌组织接触147天也不会由于粗糙的表面产生组织的炎症反应,而形成50μ—130μ厚致密的纤维囊包裹,保护肌肉活动时不受种植体机械的刺激。
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  粗制品
     When the rough surfactant concentrations of B1 and B2 were 0.03, 0.04 and 0.05 g/L, the inhibitory rates of B1 and B2 surfactants against Rhizoctonia solnia Kuhn were 19.29%, 28.71%, 45.65% and 20.14%, 30.82%, 57.18% respectively.
     当B1、B2表面活性剂粗制品浓度为0.03、0.04和0.05g/L时,B1对立枯丝核菌(RhizoctoniasolniaKuhn)抑制率分别为19.29%、28.71%和45.65%,B2分别为20.14%、30.82%、57.18%。
短句来源
     By using IR and TLC analysis methods, the rough biosurfactant extracted from fermented solution of B1 and B2 were identified as lipopeptide.
     B1、B2发酵液经提取纯化所得的表面活性剂粗制品,通过TLC和IR方法鉴定,初步确定为脂肽类物质。
短句来源
     The Mss-7 imagery(rough) of the landsat is enhanced by computer to extract distribution graph of the tidal-zone in Laizhou Bay.
     利用计算机增强陆地卫星Mss—7波段图象(粗制品),获得了莱州湾地区潮问带分布图。
短句来源
     wheat Bipolaris Sorokinian toxine is made into light -brown sticky, deuse rough produce by decrease bressure and condenes, with equal quantity of mixture Acetone and n-Butyl alcohol with chloroform.
     小麦根腐病(Bipolaris sorokinian)毒素用减压浓缩,丙酮和正丁醇与氯仿等量混合液萃取的方法,制成棕色粘稠状的粗制品
短句来源
     Effect of rough recombinant human rhIGF? 1 on stomach,small intestine growth and immunological functions in neonatal rats was investigated.
     研究了重组人胰岛素样生长因子 (rhIGF 1)粗制品对仔鼠胃、小肠生长及免疫功能的影响。
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      rough
    We show that global well-posedness occurs even when the initial data is rough.
          
    Weighted estimates for rough oscillatory singular integrals
          
    Weighted Lp estimates (1>amp;lt;p>amp;lt;∞) are shown for oscillatory singular integral operators with polynomial phase and a rough kernel of the form eiP(x,y)Ω(x-y)h(|x-y|)|x-y|-n.
          
    The use of time-frequency methods (phase space methods) allows the use of rough symbols of ultra-rapid growth in place of smooth symbols in the standard classes.
          
    Weak bounds for rough square and maximal operators
          
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    A method for the paper chromatography of aureomycin is here described. Out of 43 kinds of developing solvents studied, four have been proved satisfactory. They are: (1) n-butanol saturated with M/10 citrate buffer of pH 3.9, (2) 1% aqueous solution of boric acid, (3) M/10 citrate buffer of pH 3.9 saturated with n-butanol, and (4) n-butanol-acetic acid-water (5∶1∶4). The upward R_F values for the above four solvent systems are 0.40 ± 0.02, 0.83 ± 0.02, 0 and 1 respectively when Whatman No. 1 filter paper is...

    A method for the paper chromatography of aureomycin is here described. Out of 43 kinds of developing solvents studied, four have been proved satisfactory. They are: (1) n-butanol saturated with M/10 citrate buffer of pH 3.9, (2) 1% aqueous solution of boric acid, (3) M/10 citrate buffer of pH 3.9 saturated with n-butanol, and (4) n-butanol-acetic acid-water (5∶1∶4). The upward R_F values for the above four solvent systems are 0.40 ± 0.02, 0.83 ± 0.02, 0 and 1 respectively when Whatman No. 1 filter paper is used. For general purpose the first solvent is preferred. With this solvent, the R_F values for terramycin hydrochloride, streptomycin hydrochloride-calcium chloride complex and chloromycetin are 0.32±0.03, 0 and 1 respectively. Chromatograms containing aureomycin may be easily recognized with naked eyes if the amount of the antibiotic present is not less than 5 μg/cm~2, or by fuming with HC1- vapour to give an orange stain of anhydroaureomycin hydrochloride if not less than 1.6 μg/cm~2, or by agar-plate method if not less than 0.3 μg/cm~2, or by fluorescence method if not less than 0.09 μg/cm~2. Under an UV-lamp, aureomycin hydrochloride shows a bright lemon-yellow fluorescence; terramycin, dirty yellow; and anhydroaureomycin hydro- chloride-boric acid complex, dull brown. The fluorescing chromatograms can be photo- graphed. The present method can be directly employed for qualitative as well as rough quantitative determination of the aureomycin in the beer of Streptomyces aureofaciens. It may serve as a useful aid in antibiotic screening. By means of mixing chromatography, aureomycin may be detected in the human urine collected after oral administrations. Using 1% boric acid as the developing solvent, anhydroaureomycin hydrochloride can be successfully separated from aureomycin hydrochloride by chromatography. In fact, the existence of a trace of the anhydro-compound has been detected in some crude aureomycin preparations.

    本報告提供了一個金黴素的紙上層析方法。在28°用Whatman 1號濾紙研究了43種紙上層析用的顯層溶劑。用其中的四種顯層溶劑,M/10檸檬酸鹽pH 3.9緩衝液飽和的丁醇(I),1%硼酸水溶液(II),丁醇飽和的M/10檸檬酸鹽pH3.9緩衝液(III),和丁醇-醋酸-水(5∶1∶4)(IV)顯層,都可以得到較滿意的色層。它們的比移分別是0.40±0.02,0.83±0.02,0.87±0.01和0.88。這四種中尤以顯層溶劑(I)的結果最佳。用顯層溶劑(I),在同一條件下的鹽酸地黴素、鹽酸鏈黴素氯化鈣複鹽和氯黴素的比移,分別是0.32±0.03,0和1。色層辨認的方法,在超過5微克/厘米~2以上可用肉眼;1.6微克/厘米~2以上可用氯化氫氣體顯色;在0.3微克/厘米~2以上可用瓊脂平板培養基制菌法;在0.09微克/厘米~2以上可用螢光法。色層螢光可以直接攝照。 應用本法可以直接鑑定金黴菌發酵液中的金黴素,並可以初步估計含量。用混合層析法也可以鑑定尿中的金黴素。 應用1%硼酸水溶液作顯層溶劑,可以鑑別鹽酸金黴素和鹽酸脫水金黴素,用本法曾鑑定了幾批鹽酸金黴素粗製品中有微量脫水化合物的存在。

    The present paper treats the compression of a rectangular block between two parallel rough plates as a problem in the theory of plane strain for perfectly plastic-rigid materials.At first, the plastic-rigid theory of plane strain was outlined, then, the solution to the present problem is briefly surveyed. In section 4, the case that is left out in the present literature, viz. when the width-height ratio lies between 1 and 3.64 for partially rough plates is solved. In this treatment, the coefficient...

    The present paper treats the compression of a rectangular block between two parallel rough plates as a problem in the theory of plane strain for perfectly plastic-rigid materials.At first, the plastic-rigid theory of plane strain was outlined, then, the solution to the present problem is briefly surveyed. In section 4, the case that is left out in the present literature, viz. when the width-height ratio lies between 1 and 3.64 for partially rough plates is solved. In this treatment, the coefficient of friction ν is considered as constant along the contact surfaces. For eachμ, a critical value of the ratio w0/h is given. When w/hrough.When w0/hrough meshes. The comparison shows that the graphical construction used is accurate for all practical purposes. From these expressions we obtain the analytic expression for wo/h in terms of the frictional angle connected with μ(Eq. 11).Finally, a short discussion on the graphical construction used for the case of constant μ is given in Appendix Ⅱ.

    本文将平行刚性压板间的塑性流动问题作为理想刚塑性的平面应变问题处理;先简单的复习理想刚塑性的平面应变问题,然后对本问题已做的部分作简短的介绍,再处理了现在还未解决的情形,那就是:当1

    Sweet-potato wilt,a dangerous disease of sweet potatoes,has made itsappearance for more than 10 years in several districts of the south-easternKwangsi and south-western Kwangtung.During recent years it has been found tocause a heavy loss of sweet potato crop in these two provinces. Sweet-potato wilt is a kind of wilt disease which infects the fibrovascular ??bundles of the plant.It begins to infect the vine cuttings and those parts thatare in close contact with the sick-soil.The infected parts first show the...

    Sweet-potato wilt,a dangerous disease of sweet potatoes,has made itsappearance for more than 10 years in several districts of the south-easternKwangsi and south-western Kwangtung.During recent years it has been found tocause a heavy loss of sweet potato crop in these two provinces. Sweet-potato wilt is a kind of wilt disease which infects the fibrovascular ??bundles of the plant.It begins to infect the vine cuttings and those parts thatare in close contact with the sick-soil.The infected parts first show the water-soaked appearance and then extend upwardly,and eventually become blackenedand rotted.As a rule,ths leaves of the infected plants show an abnormal coloror pale yellow,and drooping appearance.In the meantime,the root tips of theadventitious roots of the vines lose their cortex and begin to lot.Wilting followsquite rapidly and finally the entire plant dies.If the disease infects the plantafter the potatoes beginning to form,it may extend throughout the vine and in-to the roots,causing the enlarged roots to show brown streaks and finally blackenedand rotted with pungent odor. The cause of the disease may appropriately be considered as due to bacteriaand Fusarium spp.Four types of bacteria,i.e.white smooth type,yellow smoothtype,white rough type and yellow rough type,are able to cause the disease.Atleast four kinds of Fusarium,i.e.white aerial mycelium type,white mycelium withred of a purple tint substratum type,pink mycelium with red of a purple tint sub-stratum type and without aerial mycelium type are responsible for the disease.Which is the main cause of the disease? Either bacteria or Fusarium alone or theboth in combination is able to cause the disease,further tests should be madebefore a definite conclusion may be drawn. The dissemination of the wilt organisms may appropriately be considered inthree ways,namely,(1) by infested roots and vines,(2) by sick-soil,and (3) byinsects,as the sweet-potato weevil (Gycas formicarius Fabr.).The former twoways of dissemination are more definite than the latter,however,further testsand observations should be made. According to the results of 2-years field experiments in Tsen-shi and Peh-liustations,it shows that different varieties of sweet-potato possess different resis-tance to the disease.Among several varieties tested,it is found that Tai-nung No.3being a promising one,because it yields very high and is highly resistant to thedisease and to the drought.Although it is occasionally found to be susceptibleto the disease in the experiment field of Tsen-shi and is more commonly foundin the experiment field of Lin-kwei.The second variety is Tai-nung No.46 dueto its high degree of disease resistance. The results of preliminary tests indicate that the method of reproduction byold vines would decrease both in disease resistance and in yield within the samevariety. From tests conducted in two different fields,i.e.one at dry land and the ??other in the rice field,it shows that the discrepancies were found in the occur-rence of the disease and also in the relation of the method of manuring to thepercent of infection. Dipping cuttings in different disinfectants did not show any significant results.There are discrepancies in both plowed and sunned field test and two methodsof setting the vines test.These may be due to methods of treatment,landand varieties used for experiment being different. According to the results of date of planting tests in Peh-liu,it indicates thatthe occurrence and the development of the disease are closely related to the highhumidity and the high temperature.These climatic factors affect the health ofthe early growth of the plant which in turn would increase the disease resistance.It is suggested that the most suitable date for planting sweet-potato in Peh-liu isin the first decade of August. In comparing the weather records of the three districts—Lin-kwei,Peh-liu andTsen-shi—in relation to the date of early and last occurrences of the disease,itshows that an average air temperature of 23.4-28.4℃ is most suitable for the oc-currence of the disease,and an average relative humidity of 80 per cent is alsoneeded for the infection of the disease.Based on these facts,we may say thatsweet-potatoes in Lin-kwei are capable to be easily infected by the wilt organisms.except the last date of the infection would be preceded 10-20 clays.Any otherregions with similar climatic factors,it is also very possible to be infected. According to the results of 2-years experiments and facts from surveys,sug-gestive control measures are proposed: (1) excluding the disease by regulationthrough the use of quarantines enforced by an inspection station empowered torestrict or eradicate diseased roots and vines to prevent them from becomingsources of infection in disease-free districts; (2) selection of disease resistant varie-ties in combination with cultural practices such as the use of more ash,suitableamount of lime and manure,and suitable date of planting to enable plants toescape or resist the disease.For the present time,we suggest that the use of Tai-nung No.3 in Tsen-shi and Peh-liu may meet the requirement,and promotingthe method of root reproduction in place of an old method of reproduction byrepeating vine cuttings from old vines can prevent the degeneration of the plantand decrease the infection of the disease.

    甘薯瘟是一种具有十余年历史的病害,不仅严重地威胁着广西东南部几县的甘薯生产,同时也严重影响了广东西南部和广西毗鄰的几个县的甘薯生产。甘薯瘟是一种枯萎类型的病害,是侵染維管束的脉管病害,首先侵染插条与土壤接触部位,先呈水漬狀,继而变黑腐爛并向上發展,叶色不正常或呈黄色而萎垂。此时薯藤的不定根根尖脫皮并开始腐爛,最后全株枯死。如在結薯块后才受病,除薯藤显现枯萎現象外,可向薯塊發展而呈褐色条斑,最后变黑腐烂,發出刺鼻臭辣气味。瘟薯的病原初步認为是由细菌和镰刀菌所致。细菌中可分为白色粘滑型,黄色粘滑型,白色干绉型和黄色干绉型;鐮刀菌中包括白色气生菌丝型,白色菌丝基層稍呈紫紅色型,粉紅色菌丝基層呈紫紅色型,无气生菌丝型等。但究以哪类为主导,抑系并發性呢?仍須进一步研究。薯瘟病原的傳播,初步認为有三种方式:带病薯块和薯苗,病土,及昆虫(如小象鼻虫等),其中以前二种較为肯定,后一种則仅属可能,仍有待+于进一步試驗观察。甘薯各品种間确具有不同的抗病性能,如台农三号的抗病性較强而产量最高,又能抗旱,台农46号的抗病性最高,但产量則較低,因而台农三号是最有希望的品种,但在岑溪試驗地,会略有發現蔓割病(可能是薯瘟病原之一),临桂試...

    甘薯瘟是一种具有十余年历史的病害,不仅严重地威胁着广西东南部几县的甘薯生产,同时也严重影响了广东西南部和广西毗鄰的几个县的甘薯生产。甘薯瘟是一种枯萎类型的病害,是侵染維管束的脉管病害,首先侵染插条与土壤接触部位,先呈水漬狀,继而变黑腐爛并向上發展,叶色不正常或呈黄色而萎垂。此时薯藤的不定根根尖脫皮并开始腐爛,最后全株枯死。如在結薯块后才受病,除薯藤显现枯萎現象外,可向薯塊發展而呈褐色条斑,最后变黑腐烂,發出刺鼻臭辣气味。瘟薯的病原初步認为是由细菌和镰刀菌所致。细菌中可分为白色粘滑型,黄色粘滑型,白色干绉型和黄色干绉型;鐮刀菌中包括白色气生菌丝型,白色菌丝基層稍呈紫紅色型,粉紅色菌丝基層呈紫紅色型,无气生菌丝型等。但究以哪类为主导,抑系并發性呢?仍須进一步研究。薯瘟病原的傳播,初步認为有三种方式:带病薯块和薯苗,病土,及昆虫(如小象鼻虫等),其中以前二种較为肯定,后一种則仅属可能,仍有待+于进一步試驗观察。甘薯各品种間确具有不同的抗病性能,如台农三号的抗病性較强而产量最高,又能抗旱,台农46号的抗病性最高,但产量則較低,因而台农三号是最有希望的品种,但在岑溪試驗地,会略有發現蔓割病(可能是薯瘟病原之一),临桂試驗田也会發生过多次。老藤繁殖会降低同一品种的抗病性和产量,值得我們注意。在旱地和水田不同試驗地上所得結果,可初步说明發病情况很不一致,追肥与不追肥处理的發病率也不一致。藥剂处理种苗效应不显著,翻晒土壤及二种种植法試驗结果不一致,想与試驗方法、試驗地不同和供試品种不同有密切关系。薯瘟的發生与發展和高温潮湿有密切关系,而这些气候因素对于植株的早期生??長壮健及增强抗病性也有关系。初步建議,在北流地区以立秋(8月上旬)种植較为适当。从临桂雁山、北流和岑溪三处的气候記录,和薯瘟开始發生与最后發生日期的記录看来,可以初步說平均气温23.4—28.4℃最适于薯瘟的發生。相对湿度平均在80%以上亦适于本病的發生。由此可見,在临桂雁山地区,薯瘟可能是容易發生的,不过停止發病日期会提早10—20天。其他地区如有相似气温与湿度情况,那也是会發生薯瘟的。根据二年試驗結果和調查所得情况,初步提出防治薯瘟的办法如次:(1)应采取种薯和种苗的檢疫措施,禁止病区的种薯运往無病地区,以防蔓延;(2)选育抗病品种为主,結合先进的栽培管理法;多施草木灰,适当施用石灰,根外追肥,适期种植等,以增强植株的抗病性,避免病害的侵染,保証丰产。目前在岑溪及北流地区,可先推广种植“台农三号”品种,并提倡以薯塊育苗,切勿采用老藤繁殖,以避免植株的衰退,减少薯瘟的發生。

     
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