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ratios     
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     The Light Curves and the Spectral Harness Ratios of Gamma-Ray Bursts
     Gamma射线暴的光变曲线和谱硬度
短句来源
     Accurate Measurements of the Wavelength Ratios in Vacuum Between Methane and Iodine Stabilized He-Ne Lasers
     甲烷和碘稳定的氦-氖激光真空波长的精密测量
短句来源
     Optimum Hapten-Carrier Molecular Ratios in Artificial Antigens
     半抗原与载体的最佳分子结合
短句来源
     MEASUREMENTS OF CHROMOSOME LENGTHS AND ARM RATIOS AT MITOSIS IN COMMON WHEAT (T.AESTIVUM) WITH LEISHMAN ACETOCAMINE C-BANDING
     利用Leishman醋酸洋红C分带方法测定普通小麦(T.aestivum)有丝分裂中染色体长度和臂
短句来源
     A Crucible-Thermionic Method for Precise Isotopic Ratios Determination of Li
     用于微量锂同位素丰度测定的坩埚—热电离方法
短句来源
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  比值
     G γ/A γ Ratio of Fetal Hemoglobin of Newborns in Xinjiang Province and Gene Mapping of Two Cases with Abnormal Ratios
     新疆新生儿血红蛋白F中Gγ与Aγ比值测定及二例异常者的γ基因图谱分析
短句来源
     OSTRACOD/FORAMINIFER RATIOS AS INDICATORS OF SEDIMENTARY ENVIRONMENTS
     介形虫/有孔虫比值作为沉积环境的标志
短句来源
     K/Rb RATIOS IN ARCHAEAN GRANULITES IN THE EASTERN PART OF HEBEI PROVINCE
     冀东太古代麻粒岩相变质岩中的K/Rb比值
短句来源
     Co/Ni AND Ba/Sr RATIOS CHARACTERISTIC OF THE MUGUI MANGANESE DEPOSIT AND THEIR IN DICATIVE SIGNIFICANCE
     木圭锰矿Co/Ni、Ba/Sr比值特征及其指示意义
短句来源
     PRELIMINARY STUDY OF He/Ar AND N_2/Ar RATIOS FOR GROUNDWATER AND ITS GEOCHEMICAL CHARACTERISTICS
     地下水中He/Ar比值和N_2/Ar比值及某些地球化学特征的初步研究
短句来源
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     Estimation of Reactivity Ratios of Methylmethacrylate with N-Arylmethacrylanaide Copolymers by ~(1)H-NMR Method
     用~1H-NMR方法测定甲基丙烯酸甲酯同N-芳基取代甲基丙烯酰胺的竞聚(英文)
短句来源
     Precipitation Terpolymerization of AN-MA-SMAS in Aqueous Medium Ⅱ.Monomer Reactivity Ratios and Polymerizatioil Rates
     AN-MA-SMAS水相沉淀聚合动力学 Ⅲ.竞聚与共聚速
短句来源
     Studies on Perfluoroalkyl Vinyl Ethers with Functional Groups 4. Determination of Reactivity Ratios of Tetrafluoroethylene and Perfluoro-3,6-dioxa-4-methyl-(?)7 -octyl Sulfonyl Fluoride in Solution Copolymerization
     带功能基的全氟烷基乙烯基醚的研究——4.四氟乙烯与全氟-3,6-二氧杂-4-甲基-△~7-辛基磺酰氟溶液共聚反应单体竞聚的测定
短句来源
     STUDY OF THE MONOMER REACTIVITY RATIOS AND THE SEQUENCE DISTRIBUTION IN BUTADIENE-ISOPRENE COPOLYMERS BY 13C-NMR SPECTROMETRY
     ~(13)C-NMR研究丁二烯-异戊二烯共聚合的竞聚和共聚物的序列分布
短句来源
     APPARENT REACTIVITY RATIOS AND AZEOTROPIC COMPOSITION OF ST/AN EMULSION COPOLYMERIZATION
     St/AN乳液共聚合的表观竞聚和恒比组成
短句来源
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  比例
     An Acute Experimental Study on the Combinations of Aluminum and Fluorine in Various Ratios
     不同比例铝氟混合物联合作用的急性实验研究
短句来源
     Effects of Ratios of NO_3, NH_4 and Urea on Tomato Growth in Substrate
     NO_3、NH_4和尿素的不同比例对基质培番茄生长的影响(英文)
短句来源
     This paper studied the feed conversion rate(feed/gain ratios) of four mixed rations with different grading index(GI) values of mixed forages and different forages/concentrate ratios. The treatments were combinations of high(H) or low(L) GI mixed forages with concentrates in different ratios(9∶1,8∶2,7∶3 and 9∶1 individually).
     探讨了高(H)、低(L)粗饲料分级指数(G I)混合粗饲料与不同比例精料(9∶1、8∶2、7∶3与9∶1)组成的日粮对绵羊饲料转化效率的影响。
短句来源
     Method 300 Wistar rats were put together in cages for 12 h in which the femela/male ratios were 2∶1.At the same time two methods were used to examine the pregnant situation of rats.
     方法Wistar大鼠300只,以雌雄比例2∶1合笼12 h,两种方法同时检测大鼠受孕情况,至确认大鼠受孕,计算两种方法的阳性率并加以比较。
短句来源
     ②pACCMV-EGFP and pACTERT-EGFP were transferred into SACC-83 by means of lipofectamine media methods. There were 6 groups for each plasmid according to various ratios of plasmid to lipofectamine, group 1: 1 g/4 L;
     ②以脂质体介导法转染pACCMV-EGFP和pACTERT-EGFP进入SACC-83细胞,根据质粒和脂质体比例不同分别转染6组,1组:1g/4L;
短句来源
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  ratios
99mTc-MGGQ and 99mTc-MVGQ had high kidney uptake, quick blood clearance and high activity ratios of kidney to blood, thus showing potential application as renal imaging agents.
      
For both variants the better ratios can be obtained if the problem satisfies proportional assumption.
      
The swelling ratios of the hydrogels at different temperatures were measured.
      
The effects of various factors on the reaction, such as the dosages of xylene and catalyst, molar ratios of raw materials, and reaction times were investigated.
      
It was found that lower residue ratios can be obtained under defined reaction conditions: phenol/wood ratio is 4, a 10% catalyst based on the weight of phenol, a temperature of 150°C for 2 h and phosphoric or sulfuric acid.
      
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With γ-rays of various wave-lengths the number of counts produced in a Geiger-Muller counter of Pb-wall was determined in equal time intervals. The same experiment was carried out with a counter of Al-wall. Let Npb and NA1 represent the number of counts produced in the Pb-counter and Al-counter respectively by a beam of γ-rays of even wave-length in a given time interval. The ratio Nph/NA1 observed decreases at first with the wavelength of the incident beam due to the diminishing photo-electric of lead....

With γ-rays of various wave-lengths the number of counts produced in a Geiger-Muller counter of Pb-wall was determined in equal time intervals. The same experiment was carried out with a counter of Al-wall. Let Npb and NA1 represent the number of counts produced in the Pb-counter and Al-counter respectively by a beam of γ-rays of even wave-length in a given time interval. The ratio Nph/NA1 observed decreases at first with the wavelength of the incident beam due to the diminishing photo-electric of lead. It is, however, found to increase by 16% when the wavelength of the incident radiation is decreased from a value 6.6 x. u. 4.7 x. u. This rising is due to particles produced by the interaction of hard γ-rays with the Pb-nuclei.

能力极大的丙种镭辐射,可以影响原子核,这是新近发见的事实。为进一步的研究,我们把极硬的丙种镭辐射,照在铅的数电子管(Electron Counter)上结果:除了射出的光电子和反跳子(Compton RecoilElectron)外,还观察到一种电子(有阴阳二种),约占总数的百分之十七。这种电子的来源,现在有两种解释:1从原子核里射出。(2)直接由丙种镭辐射变成。

The circumferential vibration of a hollow quartz cylinder has been thoroughly studied. The empirical relation connecting the dimensions of the cylinder and the frequency of vibration has been formulated, and the temperature coefficients of the frequency determined. The temperature coefficient is practically zero for a wide range of temperature, when the ratio of the internal radius to the external radius of the cylinder approaches a value which is very close to 0.5.

以纯粹水晶割成空心圆柱,令圆柱之轴平行於晶体之光轴。于其里外二面,敷以铜质管状电极、置诸最简单之Pierce式振荡线路中,即能自生振动其振动之方式繁多,俱经吾人详细阐求,已在另文发表,茲不复赘。 各种振动方式中,以绕周振动发生最易。设圆柱内径与外径之比小于一去0.5极近之数,则绕周分三段而振动;设大于此数,则分六段而振动, 绕周振动之温度系数,亦经测定其法置圆柱於一特制之电炉中,连其二电极於振荡电路,令生振动。以所生高周率电流与一周率甚近之水晶片所生之高周率电流相干涉,由 是而生之低周率音差,复与一低周率振荡器相比较,若是则加热后圆柱振动周率之变化,可在该低周率振荡器上直接读之。 若是所得之结果绕周振动之温度系数,随其内外径之比而异。圆柱之绕周分三段而振动者,其温度系数常为正;内外径之比率增加,则温度系数减少。圆柱之线周分六段而振动者,其温度系数常为负;内外径之比率愈高,则温度系数愈大。惟适当三段振动告终六段振动肇端之时,则亘十馀度其周率几不以温度而变合二十馀度而平均计之其温度系数约为0.5×10~(-6)/C,小於寻常水晶片者五十馀倍。割制此种圆柱,并无繁难,且电极简单,装置便利以之控制振荡,校准周率,对无...

以纯粹水晶割成空心圆柱,令圆柱之轴平行於晶体之光轴。于其里外二面,敷以铜质管状电极、置诸最简单之Pierce式振荡线路中,即能自生振动其振动之方式繁多,俱经吾人详细阐求,已在另文发表,茲不复赘。 各种振动方式中,以绕周振动发生最易。设圆柱内径与外径之比小于一去0.5极近之数,则绕周分三段而振动;设大于此数,则分六段而振动, 绕周振动之温度系数,亦经测定其法置圆柱於一特制之电炉中,连其二电极於振荡电路,令生振动。以所生高周率电流与一周率甚近之水晶片所生之高周率电流相干涉,由 是而生之低周率音差,复与一低周率振荡器相比较,若是则加热后圆柱振动周率之变化,可在该低周率振荡器上直接读之。 若是所得之结果绕周振动之温度系数,随其内外径之比而异。圆柱之绕周分三段而振动者,其温度系数常为正;内外径之比率增加,则温度系数减少。圆柱之线周分六段而振动者,其温度系数常为负;内外径之比率愈高,则温度系数愈大。惟适当三段振动告终六段振动肇端之时,则亘十馀度其周率几不以温度而变合二十馀度而平均计之其温度系数约为0.5×10~(-6)/C,小於寻常水晶片者五十馀倍。割制此种圆柱,并无繁难,且电极简单,装置便利以之控制振荡,校准周率,对无线电通讯,裨益实多也。

The current and the potential drop under steady state in any branch of a linear, invariable network with any impressed electromotive forces and currents, are usually expressed as the ratio of two determinants. In this paper, short-cut methods for writing down directly the expansion of these determinants in thsir simplest forms are outlined, illustrated and proved. Comparison with similar methods are given. As a check of the result obtained, a method for finding out the total number of terms in the denominator...

The current and the potential drop under steady state in any branch of a linear, invariable network with any impressed electromotive forces and currents, are usually expressed as the ratio of two determinants. In this paper, short-cut methods for writing down directly the expansion of these determinants in thsir simplest forms are outlined, illustrated and proved. Comparison with similar methods are given. As a check of the result obtained, a method for finding out the total number of terms in the denominator determinant in its simplest form is developed.

稳定时电纲络中之电流或电位差通常皆用一分数表之。本文乃叙述及证明一简单方法,以写出此分数之分子与分母。此外并附以此法与其他类似方法之比较及求分母中所含项数之方法。

 
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