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稳性
相关语句
  stability
     It demonstrates the stability requirements of MARPOL 25A and unified interpretation UI11A and its deficiency.
     阐述了MARPOL条款25A和统一解释UI11A对油船稳性的要求,并指出其中存在的不妥之处。
短句来源
     Based on the previous works [1]、 [2]、 this paper has extended the φ to be used in the metal complexes and defined φ′_L=Z/R_L, We think it is that the φ′_L is the main factor influencing the stability constants of metal complexes.
     本文在文献[1]、[2]工作的基础上,将φ′标准推广到配合物,定义φ′_L,=Z/R_L,认为φ′_L的大小是决定配合物稳性的主要因素. 从理论上分析,配合物的稳定常致logk_l与φ′_L之间应存在某种线性关系.
短句来源
     The Final Calculation of Stability for a 700TEU Container ship
     700TEU集装箱船的完工稳性计算
短句来源
     Analysis on Stability of Double Hull Oil Tanker
     双壳油船稳性分析
短句来源
     Application of Excel to Ship's Stability Calculation of Grain in Bulk
     Excel在散粮船稳性衡准计算中的应用
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  ship stability
     Application of Nonlinear Programming to Calculation of Ship Stability Curve
     非线性规划法计算船舶稳性
短句来源
     Establishing the Knowledge Base of Ship Stability Based on Neural-Network
     基于神经网络技术建立船舶稳性知识库
短句来源
     Theoretics calculation method on ship stability change in big amplitude rolling of ship in waves
     波浪中船舶大幅度横摇运动稳性变化的理论计算方法
短句来源
     The cabin subdivision and the generating of cabin data are prerequisite for the calculation of ship stability.
     船舶分舱及舱室数据的生成是船舶稳性计算的前提.
短句来源
     A theoretical model is set up to evaluate ship stability by using the height of gravity center, and a new concept of equivalent height of gravity center, which is obtained with effective righting moment at heel angle θ=30°, is put forward in the paper
     提出用细化的重心高度来评价稳性的理论假设,并提出用θ=30°时的有效恢复力矩来求出相当重心高度的概念,对评价稳性作了一些探讨。
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  “稳性”译为未确定词的双语例句
     Applying stepwise regression (the fiducial degree is 0.05), the equation of soil moisture content (y) can be expressed: y= 486. 709+ 2. 061X4 + 1.786X9 - 4.451X10 (R =0.830,X4 :content of waterstable granule, X9:rain fall before 15d, X10: evaporation from water surface).
     运用逐步回归(a=0.05)方法,建立土壤含水量(y)及其影响因子(X_4为水稳性团粒含量,X_9为测土壤水前15d的降水量,X_(10)为水面蒸发量)线性方程为y=486.709+2.061X_4+1.786X_9-4.451X_(10),R=0.830。
短句来源
     Correlative analysis indicated content of soil water-stable aggregates(>0.25 mm) is in high correlation with content of organic matter of soil and yield of corns,and their correlative coefficients are 0.860 and 0.703 respectively.
     相关分析表明,大于0.25 mm的水稳性团聚体含量与土壤有机质含量及作物产量呈显著相关,相关系数分别为0.860和0.703。
短句来源
     Soil nitrogen and phosphorus content (%) have exponential relationship with >0.25mm water stable aggregate content (%).
     土壤有机质含量与>0.25mm土壤水稳性团聚体含量关系更密切一些,可以用土壤有机质含量和土壤团聚体平均重量粒径(MWD)来表示土壤团聚体的水稳定性的大小。
短句来源
     changes of Ca2-P,Ca8-P,Al-P,Fe-P,O-P,labile organic P,moderately labile organic P,moderately stable P,highly stable P and microbiomass P in soil;
     Ca2 P、Ca8 P、Al P、Fe P、闭蓄态磷 ,活性有机磷、中度活性有机磷、中稳性有机磷、高稳性有机磷及微生物体磷在土壤磷库中的动态变化 ;
短句来源
     MSI analysis of microsatellite locia BAT-26 at 45 esophageal cancer
     45例食管癌患者BAT-26位点微卫星不稳性分析
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  stability
Stability theorems for Fourier frames and wavelet Riesz bases
      
In this paper we present two applications of a Stability Theorem of Hilbert frames to nonharmonic Fourier series and wavelet Riesz basis.
      
As an application we prove new theorems concerning stability offrames (and frame-like decompositions) under perturbation in both Hilbert spaces and Banach spaces.
      
Stability and independence of the shifts of finitely many refinable functions
      
Typical constructions of wavelets depend on the stability of the shifts of an underlying refinable function.
      
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  ship stability
A systematic method for assessing intact ship stability with a free-running model in a seakeeping and maneuvering basin is proposed in this paper.
      
This report is a survey of methods of stochastic and nonlinear dynamics in ship stability.
      
The efficiency of the suggested encoding is demonstrated through an extensive set of simulation runs and its flexibility is demonstrated by successful incorporation of ship stability constraints.
      
Finally, we check the global ship stability of the overall stowage plan and look for its feasibility by using an exchange algorithm which is based on local search techniques.
      
Practical skills to solve onboard ship stability problems are developed.
      


Annual rotation of a winter crop with the summer rice is a common agricultural practice in Chekiang province. The rotation system is in variant with regard to the winter crops. In order to evaluate the effect of different winter crops on the state of soil aggregation, the present study was undertaken. Four green-manuring crops including Astragalus sinicus, Medicago denticulata, Vicia faba and Pisum sativam, two winter grain crops including wheat and barley, and one oil-bearing crop, rape, were chosen for rotation...

Annual rotation of a winter crop with the summer rice is a common agricultural practice in Chekiang province. The rotation system is in variant with regard to the winter crops. In order to evaluate the effect of different winter crops on the state of soil aggregation, the present study was undertaken. Four green-manuring crops including Astragalus sinicus, Medicago denticulata, Vicia faba and Pisum sativam, two winter grain crops including wheat and barley, and one oil-bearing crop, rape, were chosen for rotation with the summer rice in the field. The soil under experimentation has been developed under cultivation from an alluvial parent material of fine sandy loam. The field had a water-table lying at a depth of about one meter from the top of the soil throughout the year except during rice growing season. As a check for comparison, winter fallow following rice was also included among the field treatments. Experiments are continued through five consecutive crop seasons, including two in rice and three in winter crops. Among the results, the following may have practical significance in evaluating the various systems of annual rotation for rice field: 1. Among the rotating winter crops tested, Astragalus sinicus is most effective in promoting the formation of soil aggregates having 1-5 mm. in diameter which are believed to be beneficial for rice cultivation. Other leguminous crops also show their constructive effect on soil aggregates, but are by far inferior to the Astragalus. To the contrary, soils under winter grains and the rape tend to deteriorate in their aggregation. 2. Close parallel relationship is found between the soil organic matter content and the percentage content of soil aggregates having 1-5 mm. in diameter. 3. The structural units with diameters larger than 5 mm. seem to be different in nature from those aggregates having 1-5 mm. in diameter. For rice soils, such large structural units are believed to be of little practical importance in so far as their fertility status is concerned, since they are to be disintegrated during the cultivation of rice.

四、摘要本試驗的一年轮作制,包括單季水稻与下列冬作的轮栽:紫云英,苜蓿,蚕豆,豌豆,油菜,小麦及大麦。另以冬季休閑作为对照。經过三次冬作,二次水稻(夏作)的轮栽,結果显示: 1.冬季种植一年生荳科綠肥,能够增加土埌中有机質含量。其中以紫云英最佳;苜蓿,蚕豆,豌豆等次之。 2.在水稻与紫云英轮作的土埌中,直徑为1—5毫米的团粒含量有显著的增加。水田中的其他荳科綠肥,如苜蓿,蚕豆,豌豆等,也能維护土埌中的团粒構造,但其效果較差。水田中禾谷类冬作轮栽或油料作物轮栽,对于土埌中直徑为1—5毫米的团粒含量,均有破坏的影响。 3.各輪作区,凡土埌有机質含量較高的,其直徑为1—5毫米的水稳性团粒也比較多;而其他大小的構造單位,和有机質的多少无关。

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在应用符拉索夫教授和巴甫林柯教授近似公式計算稳性曲线时,必須先按照綫型图求出船体水密体积的有关参数z_(90),y_(90)和Ч_(90)。本文是介紹草图設計时,即当线型图未制成时,而只知道船体的主要尺度及其無因次特性,同时也知道零水线面积,纵剖面面积及此面积对纵向軸线的慣性力矩,設計水线慣性力矩,及船体形状的其他特性时求以上各种参数的近似方法。

~~

本文主要内容是研究选择适合于我国长江与北洋沿海各港间货物运输合理的运行组织与船型。最合理的运行组织及船型选择是以方案比较法进行的。经过航线营运经济条件的分析研究,确定四个运行组织方案:1、江海通用直达货轮;2、海轮与江驳在南京港中转;3、江海直达拖驳长江口换拖;4、海上货轮拖驳长江口换拖,每个运输组织方案又都依据营运经济条件确定几个吨位和速度(拖轮为马力)方案,第一次近似计算均选用内燃机为动力装置方案。上述各方案进行了技术经济计算,得出各方案第一次近似计算的诸技术参数主要营运经济指标,其中包括运输能力、成本、投资效果等,每个运输组织方案先选出合理船型,以后进行运输方案间之比较,逐步将显著不好的拖驳两个方案淘汰。在第二次计算中典型航线取为:大连-汉口及大连-青岛-安庆-大连,机型为:蒸汽机中低速内燃机。通过类似的技术经济计算,并经过详细的分析与比较,选出最合理的运行组织及船型为:江海通用直达总载重量为4500吨,营运速度为13节的低速内燃机,双甲板船。最后作者提出了供技术设计参考的尺度要求,使之适合于长江浅水航行又能保证海上的稳性和强度。

 
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