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neighborhood
相关语句
  邻域
     On T_(2(3/4))-Separated Form Neighborhood Space
     关于T_(2(3/4))-分离型邻域空间
短句来源
     (4) A topological spaces X is minimal CH if and only if for each x∈X and each open CH-filterbase μ,if {x}=∩U∈μU=∩U∈μclU, then μ is a neighborhood base of x.
     (4)拓扑空间 X是极小 CH空间 ,当且仅当对任意的 x∈X和任意开 CH滤基 μ,若 { x} =∩U∈μU=∩U∈μcl U,则 μ是 x的一个邻域基。
短句来源
     Secondly, we introduce the neighborhood semantics, give the frame conditions of the character axioms and rules of EK1 - EK3, prove the frame soundness of EK1 - EK3 with respect to the frame conditions, respectively.
     其次,我们引入邻域语义,给出EK1-EK3的特征公理和规则的框架条件,证明EK1-EK3相对这些框架条件分别是框架可靠的。
短句来源
     THE NEIGHBORHOOD HOMOLOGY CLASSIFICATION OF THE C4-FREE GRAPHS
     无C_4图的邻域同调分类
短句来源
     Neighborhood Intersections of Essential Set and the Traceable Properties of K_(1,r)-Free Graphs
     基本集的邻域交与无K_(1,r)-图的可迹性
短句来源
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  邻里
     7 neighborhood characteristic variables.
     邻里特征变量7个。
短句来源
     Urban Neighborhood Relations and the Design of Residential Groups
     城市邻里关系与住宅组团设计
短句来源
     NEIGHBORHOOD/MODERN
     邻里·现代
短句来源
     Neighborhood is of vital importance in geo-relationship.
     邻里关系是一种相当重要的地缘关系。
短句来源
     Community Attachment, Community Development and Neighborhood Conservation
     社区感情、社区发展与邻里保护
短句来源
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  “neighborhood”译为未确定词的双语例句
     THE EFFECT OF PAIR CORRELATION ON α DECAY IN THE NEIGHBORHOOD OF Pb~(208) (Ⅱ)-----THE ALPHA REDUCED WIDTH OF Po ODD A ISOTOPES
     对关联对Pb~(208)附近α衰变的影响(Ⅱ)——Po奇A同位素的α约化宽度
短句来源
     A Class of L-Fuzzy Topological Spaces Ⅰ. Neighborhood Structure of a L-Fuzzy Point
     一类L-Fuzzy拓扑空间——1.L-Fuzzy点的邻近构造
短句来源
     MODERN TECTONIC STRESS FIELD AND ITS RELATION WITH SEISMICITIES IN NINGXIA AND ITS NEIGHBORHOOD
     宁夏地区现代构造应力场及其与地震活动的关系
短句来源
     Closure Effect on the Neighborhood of Threshold K-Value of long Craeks in 35C_rM_o Steel
     35C_rM_0钢的长裂纹在门槛值附近的闭合效应
短句来源
     IMPENDING-EARTHQUAKE MODULATION EFFECTS ON M_L≥4.0 EVENTS OCCURRED IN YUNNAN AREA AND ITS NEIGHBORHOOD BY THE VIBRATION OF THE ATMOSPHERIC FIELD IN SOUTHWEST CHINA
     我国西南地区气压场振动对云南及邻区M_L≥4.0级地震的临震调制
短句来源
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  neighborhood
Like the truncations of the Taylor expansion, the truncations of a chromatic expansion at t = t0 of an analytic function f(t) approximate f(t) locally, in a neighborhood of t0.
      
It is available for the case that the sign of f(x) changes frequently or the derivative f'(x) does not exist in the neighborhood of the root, while the Newton method is hard to work.
      
One allows the appearance of eight limit cycles in the neighborhood of infinity, which is the first example that a polynomial differential system bifurcates eight limit cycles at infinity.
      
Neighborhood union of independent sets and hamiltonicity of claw-free graphs
      
Let G be a graph, for any u∈V(G), let N(u) denote the neighborhood of u and d(u)=|N(u)| be the degree of u.
      
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In this article it is pointed out that the semi-empirical van der Waals' equation of state for gases is particularly unsatisfactory in the neighborhood of the critical point, as indicated by the fact that the experimental values of the critical ratio (?) seldom agree with the theoretical constant value 8/3. It is also noted that this τ value may serve as a satisfactory measure (at least to a first approximation) of the deviation of the law of corresponding states when applied to gases at high densities....

In this article it is pointed out that the semi-empirical van der Waals' equation of state for gases is particularly unsatisfactory in the neighborhood of the critical point, as indicated by the fact that the experimental values of the critical ratio (?) seldom agree with the theoretical constant value 8/3. It is also noted that this τ value may serve as a satisfactory measure (at least to a first approximation) of the deviation of the law of corresponding states when applied to gases at high densities. We have therefore proposed in this communication a rather straightforward modification of the van der Waals' equation which leads to an empirical three-constant equation of state for gases involving this τ value as an adjustable parameter and thus requiring only critical data for the determination of the three constants. This equation is made to fit the p-V-T data at the critical point, but reduces itself to the simpler forms of the van der Waals' equation and the ideal gas equation for lower values of gas densities. Numerical calculations made for gases of widely different τ values show that this rather simple equation of state is fairly satisfactory even at high densities. The plausibility of using the τ value as an adjustable parameter both for the equation of state and for the law of corresponding states is also briefly discussed.

本文指出任何僅含兩個常數的氣態方程,在臨界點附近的缺點是特別顯著的。同時也指出,對應態定律應用到高密度氣體的偏差,可以相當滿意地用臨界係數(?)來衡量。因此我們建議將van der Waals方程,修改爲三常數的經驗方程,它的優點是這三個常數可以直接從氣體的臨界點數據計算出來;而且實例計算(包括極性很強和τ值很大的甲醇)說明它在相當大的温度和密度範圍內可以適用。將這個經驗式,寫成對比方程顯然含有臨界係數τ,就離開臨界點不太遠的氣體來說,這個函數關係可以相當满意地用本文方程總結出來。

By heat treatment study, extraction experiments and powder photography, the differential thermal effects occuring below 250°of three amorphous sulfides of antimony are inter- preted in this paper. At about 220°, all the three amorphous sulfides produce crystalline Sb_2S_3. In the neighborhood of 160°, the pentasulfide and tetrasulfide segregate into easily extractable sulfur and amorphous Sb_2S_3. The latter change has been identifid in the main with the following reaction: 1/xS_x→1/8S_8+~3 kcal. On...

By heat treatment study, extraction experiments and powder photography, the differential thermal effects occuring below 250°of three amorphous sulfides of antimony are inter- preted in this paper. At about 220°, all the three amorphous sulfides produce crystalline Sb_2S_3. In the neighborhood of 160°, the pentasulfide and tetrasulfide segregate into easily extractable sulfur and amorphous Sb_2S_3. The latter change has been identifid in the main with the following reaction: 1/xS_x→1/8S_8+~3 kcal. On the basis of the above identification, the pentasulfide and tetrasulfide prepared from Na_3SbS_4·9H_2O are probably complex systems of [Sb_2S_3+S_μ+S_λ] and of [Sb_2S_3+S_μ] respectively. The fact that a synthetic sample containing 91% amorphous Sb_2S_3 and 9% Sμ gives essentially the same differential thermal diagram as the pentasulfide and tetrasulfide strongly supports the proposed model. According to Currie, Bunsen's pentasulfide contains no easily extractable sulfur. However, Bunsen's pentasulfide may not be a chemical individual either, inasmuch as it produces easily extractable sulfur at about 160°. In the light of the proposed theory, Bunsen's pentasulfide is probably a complex system of [Sb_2S_3+2S_μ]. The differential thermal diagram of the pentasulfide is probably a pertinent reference to its quality.

銻的三種無定形硫化物在250°以內的差熱效應,曾於熱處理實驗、硫的提取實驗與粉末法的結果的配合下取得了鑑定與解釋。五硫化二銻與四硫化二銻在160°附近進行一放熱的、析出容易脫去的硫的析硫作用,並在220°附近進行無定形Sb_2S_3的晶化作用。析硫作用主要是下列變化: 1/xS_x→1/8S_8+~3千卡而從硫代銻酸鈉製得的、含有~8%容易脫去的硫的五硫化二銻樣品基本上是下列複雜的無定形體系 [Sb_2S_3+S_μ+S_λ]Currie按照Bunsen方法製得的、不含容易脫去的硫的五硫化二銻樣品可能是下列複雜的無定形體系 [Sb_2S_3+2S_μ] 合成樣品[Sb_2S_3+S_μ]的差熱曲線與所謂五硫化二銻和四硫化二銻者並無二致。文中最後還曾指出了從差熱曲線來檢驗五硫化二銻質量的可能性等。

We have made three pyrex floats of the bulb-rod stream-line type, modified from that used in the Trail laboratories. These floats possess cach a thick-walled bulb 6.5 mm in diameter, with an upper rod 3.5 mm long and a lower rod 8 mm long, each rod being 2.5 mm in diameter and forming an angle of 60° at the end. With baths having temperature fluctuations within ±0.0005°, the velocity-temperature relationship has been determiued in the neighborhood of their flotation temperatures. It is found that the temperature...

We have made three pyrex floats of the bulb-rod stream-line type, modified from that used in the Trail laboratories. These floats possess cach a thick-walled bulb 6.5 mm in diameter, with an upper rod 3.5 mm long and a lower rod 8 mm long, each rod being 2.5 mm in diameter and forming an angle of 60° at the end. With baths having temperature fluctuations within ±0.0005°, the velocity-temperature relationship has been determiued in the neighborhood of their flotation temperatures. It is found that the temperature iuterval in which such a relationship is linear is much more extensive when the flotation temperature of the float is lower. Correspondingly, the velocity interval is only slightly larger. The results are as follows:Float Flotation Temperature Velocity intervalNo. temperature, ℃ interval, ℃ mm/sec1 28.86 ±0.08 ±0.192 24.17 ±0.12 ±0.203 17.79 ±0.26 ±0.22So it is advcntageous to use floats with lower flotation temperatures. With Aoat No. 2 we have determined the deuterium contents of two samples of heavy water.Besides, we have measured the effect of pressure on the flotation temperatures of these floats. Float No. 1 has been studied in more detail with the result that the relationship between the flotation temperature and the pressure is linear in the investigated pressure range of 48 cm Hg in the neighborhood of one atmosphere.

我們对於三只“球柱流線型”Pyrex玻璃浮沉子测定了升降速度与温度间的关系, 求得在室温左右,當浮定温度愈低時,並直線性關係的温度範圍愈大,相應的速度範圍也略大。在28.86°時,直線性關係的温度範圍為±0.08°,直線性關係的速度範圍為±0.19毫米/秒。在17.79°時,相應的數據是±0.26°和±0.22毫米/秒。因此,用浮定温度较低的浮沉子,可在約半度的温度範圍內選测两点,來求得重水的濃度。其次,我們在1大氣壓附近,測定了一只厚壁浮沉子在48厘米汞柱的壓力變動範圍内,浮定温度与压力变动呈直線性關係。

 
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