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值是
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  value is
     (2) g ∈ G+ , if g is special and its unique value is an atom, then g⊥∈ Tm(G) ;
     (2)g∈G+,如果g是特殊的,且g的唯一值是原子,则g⊥∈Tm(G);
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     When high-Cr white cast iron contains 18%~28% Cr and Cr/C value is 8~9, the microstructure is tempered martensite + little retained austenite (<5%) + M7C3 carbide, and high impact toughness, high fracture toughness K1C, and high impact resistance and low spalling rate of grinding balls can be obtained.
     当高铬白口铸铁含铬量为18%~28%,Cr/C值是8 ̄9,铸铁的显微组织是回火马氏体+少量残余奥氏体(<5%)+M7C3碳化物,则磨球具有高的冲击韧性和断裂韧性K1C,具有高的冲击抗力,表现出低的冲击剥落量。
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     the highest strength value is obtained as welding velocity is at 60 mm/min,and it is 82% of that of base metals.
     其中焊速60mm/min时可得到强度最高的接头,其强度值是母材强度的82%。
短句来源
     The optimal pH value is 9.0;
     光催化降解的最佳pH值是9.0;
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     The results show that pH value is the main factor controlling the exchanging absorption of silt and Pb~(2+) and the concentration of silt is the main factor controlling the migration and transformation of heavy metals in the interaction between the silt and Pb~(2+);
     结果表明,长江水中泥沙与Pb2+进行阳离子交换反应,河水pH值是控制Pb2+与泥沙交换吸附的主要因素,泥沙浓度是控制江水中重金属迁移转化的主要因素;
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  “值是”译为未确定词的双语例句
     LT50 values of flowers of Prunus sibirica for 2h,4h,6h and 8h were-5.9804,-5.8772,-5.8860 and-5.7978℃ respectively calculated by programs of Logistic equation,which was conformed to brown stain ratios of morphological indices,and indicated that it was precise and available to calculate LT50 values of plants by means of the programs.
     利用Logistic方程编程求解2h、4h、6h、8h山杏花的LT50值分别为-5.9804℃、-5.8772℃、-5.8860℃和-5.7978℃,与形态指标褐变率相吻合,表明利用此程序求解植物的LT50值是准确可行的。
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     (2)The ratio of chlorophyll a and b(a/b)was an accurate and direct parameter to evaluate the plant shade-tolerance in the area of plateau;
     (2)叶绿素a/b值是高原地区界定和评价植物耐荫性强弱的最为可靠和准确的直接指标;
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     The higher the content of glucose in culture medium,the lower the pH value:the lowest pH was obtained with 20 g/L glucose alone and the highest antibacterial activity 36.4 AU/mL was obtained with 15 g/L sodium lactate and 5 g/L glucose.
     pH值是有机酸产生和消耗相平衡的结果,培养基中葡萄糖含量越高,培养液的pH值越低; 乳酸钠和葡萄糖对代谢物的抑菌活性有显著影响,在含15 g/L乳酸钠+5 g/L葡萄糖的复合碳源培养基中,代谢物抑菌活性最高,达到36.4 AU/mL。
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     Results The absorbance of NSCs from P0 and P2 is 1.1899±0.0485(n=13)and 0.3526±0.1053(n=11)(P=0.000).
     结果P0神经干细胞的OD值是:1.1899±0.0485(n=13),P2为0.3526±0.1053(n=11,P=0.000);
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     The most appropriate temperature is 27 ℃ and The most appropriate pH is 6.0.
     最适温度是27℃; 最适pH值是6.0。
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     The influence of structure of the chiral aminoalcohol on the enantioselectivity was studied.
     的影响;
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     Results:There were significant difference in S?
     D和UtA的S?
短句来源
     The convergent rate for the G.
     本文单边问题G.
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  value is
This value is a good stability bound of Fourier frames because it covers Kadec's 1/4-theorem and is better than (see Duffin and Schaefer [3]).
      
Different from rational quadratic Bézier curves, the value is generally related with the location of the ray, and the necessary and sufficient condition of the ratio being independent of the ray's location is showed.
      
One type is the threshold concentration that can promote algae growth, and its value is between 10 and 1 nmol level, or even lower.
      
Results show that in the studied pH value range, the lower the pH value is, the higher is the UV-vis absorbance and the larger is the thickness of the multilayer films.
      
The image is realized by modulating the voltage of under-gate, whose value is less than the cathode voltage, to stop the cathode producing field emission electrons.
      
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The dielectrie constants of toluene, carbon bisulphide, normal pentane, normal hexane, ethyl ether and iso-amyl alcohol were measured by a capacity bridge using a specially constructed liquid condenser at both 30° and 75℃ (22.4℃ only for the last liquid), for frequencies of 600,1000 and 2000 cycles per sec. and under pressures from 1 up to 12,000 kg/cm2. For the first four liquids, the dielectric constant is practically independent of the frequencies

作者用一电容桥及一特制之液体蓄电器以量甲苯,二硫化碳,正戊烷,正己烷,乙醚,及异戊醇之比电容。所用温度为摄氏三十及七十五度(异戊醇之温度仅为二十二度四),频率为每秒六百,一千及二千周,压力自一气压高至一万二千气压。前四液之比电容几与所用频率无关。(ε-1)/(ε+2)·1/d,(ε-1)/d及(ε~(1/2))-1/d三式中以第一式最近一常数,然压力渐增第一式之值恒随之而渐减,至一万二千气压时(在甲苯为九千五百气压),其减少约数在甲苯及二硫化碳为百分之三,在乙醚为百分之八,在异戊醇为百分之十九,显随电矩之增加而增加,至其原因篇中亦略加说明。 篇中图表惠蒙同事朱福炘先生代为抄绘,附誌谢忱。

Self-recording system is devised and used to measure potential gradient at Yenching. In fine weather the results show two maxima and two minima for a whole day. During raining potential gradient is constant at zero value, except when lightening and thunderstorm occur in which case the potential gradient changes rapidly both in magnitude and direction.

本篇所述,为在北平燕京大学用静电计及一连续记录器测量大气电位梯度之方法及结果测量方法,乃用一种均位器(eqalizer)将离地面约3至6米高之电位显示于静电计上再用照相纸将此电位制成连续记录。测量所得结果如下:晴天之电位梯度。一日之中,有二最高值及二最低值雨时梯度即降至零,且此值非至雨止不变。当闪电及雷飓时,梯度之方向与值,变易极速。且较晴天时为大。

The beta-ray spectrum of RaE was investigated by the cloud chamber experiments. About 600 tracks with H σ above 2000 were obtained. The spectrum was found to have an end point at 7500 Hσ. The average energy per disintegration was estimated to be 4.01×105 electron-volts.

戊种镭原质(Ra E)所放出之β线穿过威尔圣成云箱之径迹(tracks),用照相机照下。因成云箱在磁场中,而磁力之方向又与β线所取之途径垂直,故由照片上所量出径迹之半径,ρ,可定β线之能力,盖磁场之强度,H,亦已知也。通常以Hρ代表能力大小之相当值。用戊种镭原质所摄之照片上量出10Oβ线径迹,其Hρ值皆在2000高斯-厘米(Gauss-cm.)以上。以各种Hρ值及在该值范围内所有径迹之数目作一曲线。将该曲线延长至与Hρ轴相交,其交点7500高斯——厘米,即为β线具有最大能力者之Hρ值。由β线能力大小之分配,用绘图方法得计算该线之平均能力,其值为4.01×10~5电子——伏特(electron—volts)。

 
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