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grade
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  2000级
     Methods Among students of the three-year nursing program of grade 1999 and the undergraduate students of grade 2000, different modes and methods were used to teach basic nursing skills.
     方法对1999级护理专科班学生及2000级护理本科班学生在护理学基础课程技能教学中,采取不同的教学模式与方法。 重点对护理本科班学生的技能教学进行了实践教学模式及临床教学方法的改革。
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     Investigation and analysis about the condition of students' basic qualities of Grade 2000
     2000级学生基本素质状况调查与分析
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     Analysis on Achievement of Examination of Surgical Nursing of Grade 2000 College Nursing Students
     2000级护理大专外科护理学考试成绩分析
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     Investigation on Mental Health of Students of Grade 2000 in Medical College
     医学院校2000级新生心理健康调查
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     Methods 50 undergraduate students in grade 2000 were regarded as control group and received conventional teaching method.
     方法2000级护理本科生(简称护本生)50名为对照组,采用传统教学方法;
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  “grade 2000”译为未确定词的双语例句
     Through investigation of students' ability of gathering sports information in different departments of Grade 1999 and Grade 2000,the author analyzes problems reflected by the students' quality of awareness of information and morality in gathering information and puts forward measures of improve the students' related abilities.
     通过抽样问卷对北京体育大学 1999~ 2 0 0 2级各院系学生的体育信息素质状况进行了调查 ,就学生的信息意识素质、信息能力素质、信息道德素质反映的问题进行了分析 ,提出了进行体育信息素质教育 ,提高学生信息素质的措施。
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     Through 8 class hours' swimming teaching on 96 female students of total 4 classes, 2 classes of grade 2000 and 2 classes of grade 2001, at Fishery College of Zhanjiang Ocean University and then, testing, analyzing and studying their swimming level, it can be proved that it can efficiently improve female students' teaching quality of swimming and get an obvious effect to attach importance to breathing teaching.
     通过对湛江海洋大学水产学院 2 0 0 0届 2个班、2 0 0 1届 2个班 ,共四个班 96名女学生 8个学时游泳课教学 ,对游泳水平进行测试、分析、研究。 实践证明 ,注重呼吸教学能有效地提高女生游泳的教学质量 ,取得显著效果
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     Trend Analysis on the Proportion of Myopia of the Han Nationality Male Students of City in Fujian Province Between Grade 2000and Grade 1995
     1995-2000年福建省汉族城市男生近视率的走势分析
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     Comparative analysis of the physical quality of the Han Nationality girl studends in Fujian Province between Grade 2000 and Grade 1995
     1995年和2000年福建省汉族女大学生体能素质的对比分析
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     Results Except for technical skills in assessing vital signs, the Grade 2000 students performed better than Grade 1007 students in other technical skills, and differences were significant.
     结果实验组学生,除生命体征测定的操作成绩与对照组学生比较,无统计学意义外,其余4项技能操作成绩和未经强化的技能考核成绩都高于对照组学生。
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  相似匹配句对
     In 2000, R.
     2000 年,R.
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     2000.
     预计至公元2000年,贾汪镇供水紧张状况可望彻底解决。
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     grade.
     级;
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     A surrey of the physical edacation of grade 2000
     2000级学生体育状况的调查
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     Survey on mental health of medical students in grade 2000
     2000级医学生心理健康状况探析
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  grade
Effect of CaO, MgO, and SiO2 impurities on some properties of grade 2000NM1 ferrite
      


Die Bestimmungsmethode für Magnesium mittels Titangelbs wird untersucht.Daraus ergibt sich folgendes:Obwohl durch Zusatz von Kalziumionen die Farbe des MagnesiumTitangelbs vertieft wird,gehorcht die Eichkurve dem Beerschen Gesetz zueinem geringeren Grade als diejenige ohne Kalziumzusatz.In Konzentrationen von weniger als 250 mg pro Liter,geben Bariumionenallein mit Titangelb keine Farbe,whrend in hheren Konzentrationen siedas Titangelb ausflocken.Für Magnesiumbestimmung kann 100-150 mg vonBarium pro...

Die Bestimmungsmethode für Magnesium mittels Titangelbs wird untersucht.Daraus ergibt sich folgendes:Obwohl durch Zusatz von Kalziumionen die Farbe des MagnesiumTitangelbs vertieft wird,gehorcht die Eichkurve dem Beerschen Gesetz zueinem geringeren Grade als diejenige ohne Kalziumzusatz.In Konzentrationen von weniger als 250 mg pro Liter,geben Bariumionenallein mit Titangelb keine Farbe,whrend in hheren Konzentrationen siedas Titangelb ausflocken.Für Magnesiumbestimmung kann 100-150 mg vonBarium pro Liter den Kalziumzusatz ersetzen,doch ergibt sich hieraus keinVorteil.Für den Einfluss von Barium-und Molybdationen(mit Zusatz vonKalziumsalz)wird es gefunden,dass Barium bis zu 600 mg pro Liter undMolybdat bis zu 1300 mg pro Liter die Methode kaum beeinlussen.Ingrsseren Konzentrationen wird die Farbe des Magnesium-Titangelbs durchBariumionen verstrkt,whrend sie durch Molybdationen geschwcht wird.Die Sohwchung der Farbe des Magnesium-Titangelbs durch Molybdationenkann man dadurch erklren,dass Molydationen die Kalziumionen dem Systementziehen,weil Kalziummolybdat schwer lslich ist.

1.本文比较了有钙或无钙存在时地丹黄定镁的不同之点。2.关于钡离子影响镁和地丹黄沉淀色料之颜色的深浅程度,本文作一定量的探讨。3.本文并报告钡离子及钼酸根离子对地丹黄定镁法(含钙溶液)的影响。

Fineness modulus (F. M.) has served as an index of fineness of aggregates since it was first introduced by Prof. Duff A. Abrams in 1918. In the concrete mix design, the F. M. of sand governs the sand content and hence the proportions of other ingredients. But there are undesirable features in F. M.: it does not represent the grading of sand and manifests no significant physical concept.Prof. suggested an "average diameter" (d_(cp)) in 1943 as a measure of fineness of sand. In 1944, d_(cp) was adopted in...

Fineness modulus (F. M.) has served as an index of fineness of aggregates since it was first introduced by Prof. Duff A. Abrams in 1918. In the concrete mix design, the F. M. of sand governs the sand content and hence the proportions of other ingredients. But there are undesirable features in F. M.: it does not represent the grading of sand and manifests no significant physical concept.Prof. suggested an "average diameter" (d_(cp)) in 1943 as a measure of fineness of sand. In 1944, d_(cp) was adopted in 2781-44 as national standard to specify the fine aggregate for concrete in USSR. It was introduced to China in 1952 and soon becomes popular in all technical literatures concerning concrete aggregates and materials of construction.After careful and thorough investigation from ordinary and special gradings of sand, the equation of d_(cp) appears to be not so sound in principle and the value of d_(cp) computed from this equation is not applicable to engineering practice. The assumption that the initial average diameter (ν) of sand grains between consecutive seives is the arithmetical mean of the openings is not in best logic. The value of an average diameter computed from the total number of grains irrespective of their sizes will depend solely on the fines, because the fines are much more in number than the coarses. Grains in the two coarser grades (larger than 1.2 mm or retained on No. 16 seive) comprising about 2/5 of the whole lot are not duly represented and become null and void in d_(cp) equation. This is why the initiator neglected the last two terms of the equation in his own computation. Furthermore, the value of d_(cp) varies irregularly and even inversely while the sands are progressing from fine to coarse (see Fig. 4).As F. M. is still the only practical and yet the simplest index in controlling fineness of sand, this paper attempts to interpret it with a sound physical concept. By analyzing the F. M. equation (2a) in the form of Table 9, it is discovered that the coefficients (1, 2…6) of the separate fractions (the percentages retained between consecutive seives, a1, a2…a6) are not "size factors" as called by Prof. H. T. Gilkey (see p. 93, reference 4), but are "coarseness coefficients" which indicate the number of seives that each separate fraction can retain on them. The more seives the fraction can retain, the coarser is the fraction. So, it is logical to call it a "coarseness coefficient". The product of separate fraction by its corresponding coarseness coefficient will be the "separate coarseness modulus". The sum of all the separate coarseness moduli is the total "coarseness modulus" (M_c).Similarly, if we compute the total modulus from the coefficients based on number of seives that any fraction can pass instead of retain, we shall arrive at the true "fineness modulus" (M_f).By assuming the initial mean diameter (ν') of sand grains between consecutive seives to be the geometrical mean of the openings instead of the arithmetical mean, a "modular diameter" (d_m), measured in mm (or in micron) is derived as a function of M_c (or F. M.) and can be expressed by a rational formula in a very generalized form (see equation 12). This equation is very instructive and can be stated as a definition of mqdular diameter as following:"The modular diameter (d_m) is the product of the geometrical mean ((d_0×d_(-1))~(1/2) next below the finest seive of the series and the seive ratio (R_s) in power of modulus (M_c)." If we convert the exponential equation into a logarithmic equation with inch as unit, we get equation (11) which coincides with the equation for F. M. suggested by Prof. Abrams in 1918.Modular diameter can be solved graphically in the following way: (1) Draw an "equivalent modular curve" of two grades based on M_c (or F. M.) (see Fig. 6). (2) Along the ordinate between the two grades, find its intersecting point with the modular curve. (3) Read the log scale on the ordinate, thus get the value of the required d_m corresponding to M_c (see Fig. 5).As the modular diameter has a linear dimension with a defin

細度模數用為砂的粗細程度的指標,已有三十餘年的歷史;尤其是在混凝土的配合上,砂的細度模數如有變化,含砂率和加水量也要加以相應的調整,才能維持混凝土的稠度(以陷度代表)不變。但是細度模數有兩大缺點,一個是模數的物理意義不明,另一個是模數不能表示出砂的級配來。蘇聯斯克拉姆塔耶夫教授於1943年提出砂的平均粒徑(d_(cp))來,以為砂的細度指標;雖然平均粒徑仍不包含級配的意義,但是有了比較明確的物理意義,並且可以用毫米來度量,這是一種新的發展。不過砂的細度問題還不能由平均粒徑而得到解决,且平均粒徑計算式中的五項,僅首三項有效,1.2和2.5毫米以上的兩級粗砂在計算式中不生作用,以致影響了它的實用效果。本文對於平均粒徑計算式的創立方法加以追尋和推演,發現其基本假設及物理意義,又設例演算,以考察其變化的規律性;認為細度模數還有其一定的實用價值,不能為平均粒徑所代替。至於補救細度模數缺點的方法,本文試由模數本身中去尋找;將模數的計算式加以理論上的補充後,不但能分析出模數的物理意義,並且還發現模數有細度和粗度之別。根據累計篩餘計算出來的F.M.應稱為“粗度模數”,根據通過量計算出來的才是“細度模數”。假定兩隣篩间的顆粒是...

細度模數用為砂的粗細程度的指標,已有三十餘年的歷史;尤其是在混凝土的配合上,砂的細度模數如有變化,含砂率和加水量也要加以相應的調整,才能維持混凝土的稠度(以陷度代表)不變。但是細度模數有兩大缺點,一個是模數的物理意義不明,另一個是模數不能表示出砂的級配來。蘇聯斯克拉姆塔耶夫教授於1943年提出砂的平均粒徑(d_(cp))來,以為砂的細度指標;雖然平均粒徑仍不包含級配的意義,但是有了比較明確的物理意義,並且可以用毫米來度量,這是一種新的發展。不過砂的細度問題還不能由平均粒徑而得到解决,且平均粒徑計算式中的五項,僅首三項有效,1.2和2.5毫米以上的兩級粗砂在計算式中不生作用,以致影響了它的實用效果。本文對於平均粒徑計算式的創立方法加以追尋和推演,發現其基本假設及物理意義,又設例演算,以考察其變化的規律性;認為細度模數還有其一定的實用價值,不能為平均粒徑所代替。至於補救細度模數缺點的方法,本文試由模數本身中去尋找;將模數的計算式加以理論上的補充後,不但能分析出模數的物理意義,並且還發現模數有細度和粗度之別。根據累計篩餘計算出來的F.M.應稱為“粗度模數”,根據通過量計算出來的才是“細度模數”。假定兩隣篩间的顆粒是兩篩篩孔的幾何平均值,以代替數學平均值(即斯氏平均?

(1) White mice were exposed to 40 cercariae of Schistosoma japonicum on the abdomen for 3, 5, 10, 15 and 20 minutes. Five weeks later, mice were killed and searched for worms. The percentage of worms recovered in the 5-minute group was found to be low (33%), whereas the differences between those in the 10-minute (45%), 15-minute (51%) and 20-minute (54%) groups were non-significant. (2) Infected mice were treated with tartar emetic given by mouth for 2 weeks. After a holding period of 1, 2, 3 or 4 weeks, mice...

(1) White mice were exposed to 40 cercariae of Schistosoma japonicum on the abdomen for 3, 5, 10, 15 and 20 minutes. Five weeks later, mice were killed and searched for worms. The percentage of worms recovered in the 5-minute group was found to be low (33%), whereas the differences between those in the 10-minute (45%), 15-minute (51%) and 20-minute (54%) groups were non-significant. (2) Infected mice were treated with tartar emetic given by mouth for 2 weeks. After a holding period of 1, 2, 3 or 4 weeks, mice were sacrificed. The differences between the number of worms remained in the 4 groups of mice were non-significant. Therefore, one week may be adopted as the holding period in the screening test for antimonials. (3) In the control group and in the treated group with tartar emetic 270 mg/kg/day, there was no significant difference between the number of worms remained in male and in female mice. But in the treated group with tartar emetic 170 mg/kg/day, the number of worms remained in female mice was less than that in male mice. Hence it is advisable to use equal number of both sexes of mice in experimental therapy. (4) After the treatment with tartar emetic, mice were divided into 2 grades according to the body weights. The number of worms remained in mice of the 2 grades revealed a significent difference only in the group with holding period of 3 weeks, but not in other groups.

(一)小白鼠腹部皮肤感染40条日本血吸虫尾蚴,感染时间自3至20分钟不等,5周後解剖,检查成虫数,发现感染尾蚴5分钟的成虫发育率较低(33%),而感染10分钟(45%),15分钟(51%)及20分钟(54%)之差别不显著。 (二)病员经口服吐酒石治疗2周後停药1,2,3或4周解剖,发现余存虫数之差别并不显著。所以可用1周作为比较锑剂疗效试验的停药时间。 (三)对照组及吐酒石270毫克/千克/天剂量组内,雌雄鼠体内余存虫数相差不显著,但在吐酒石1700毫克/千克/天治疗组内,雌鼠体内的余存虫数少於雄鼠体内的虫数。所以实验治疗所用的小白鼠最好是雌雄各半。 (四)吐酒石治疗後大小两级体重鼠体内余存虫数,仅在停药3周组内有显著的差别:其他组内则未见显著差别。

 
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