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    Dairy cow were inseminated with routine semen and sexing semen separated by flow cytometry in this experiment and the results showed that the pregnant rates of the treatment group (sexing semen) and the control group (routine semen) were 54.81%(74/135) and 60.61% (40/66) respectively,and there was no significant difference between them (P>0.05).
    本试验用经流式细胞分离仪分离的富含X精子的性控精液及常规精液对奶牛进行人工授精。 结果表明:试验组(性控精液)与对照组(常规精液)情期受胎率分别为54.81%(74/135)和60.61%(40/66),两者之间差异不显著(P>0.05)。
    The results showed that the mean values of F1 ranged between high value parent and low value parent in most traits.
    结果表明,F1在多数性状上其均值介于高亲值与低亲值之间。
    The results showed that panicle quantity types,which was 80% of the plan,main used the 0、0-2、0-3、0-4、0-3-1 tillers. When it was 100% of the plan,it main used 0、0-2、0-3、0-4、0-5、0-2-1 tillers.
    结果表明:穗数型品种达计划穗数80%时控蘖主要利用的是0、0-2、0-3、0-4、0-3-1蘖位的分蘖,达100%时控蘖主要利用的是0、0-2、0-3、0-4、0-5、0-2-1蘖位的分蘖;
    The results showed that: the 22.5 cm ridge distance,370 000 plants per hm2,the 45 cm ridge distance,400 000 plants per hm2 were the best cultivation patterns for Fengshou No. 24.
    试验结果表明:22.5 cm平作37万株/hm2和45 cm垄距40万株/hm2两个处理组合为本试验中丰收24的最佳栽培方式。
    The results showed that isohumulone had strong inhibitory action to both SGC-7901 and HepG-2 by inducing the apoptosis of tumour cells.
    结果表明,异葎草酮对肿瘤细胞SGC-7901及HepG-2均有较强抑制作用,这一作用是通过诱导肿瘤细胞凋亡实现的.
    The results demonstrate that oil and suspended solid in treated water by UF is less than 1.5 mg/L respectively(95% of removal efficiency),turbidity is as low as 1.0 ntu(over 90% of removal efficiency),the reliable operation of ED could be ensured.
    结果表明,超滤膜滤出水的含油量和悬浮物均小于1.5 mg/L,去除率可达到94%,浊度低于1.0 ntu,去除率达到90%以上,达到了电渗析的进水要求.
    The experimental results demonstrate that the optimal HRT of SBR was 6 h,and the optimal reaction time of SBR was 4 h of hydrolysis acidification-SBR system at the CODcr of influent was 1 250~1 830 mg/L and eduction ratio of SBR was 1∶2,the effluent water was conform to the second grade of the national standard for wastewater discharge(GB 8978—1996).
    试验结果表明,当进水CODcr质量浓度为1 250-1 830 mg/L,水解酸化池的最佳水力停留时间为6 h,SBR在排出比为1∶2,最佳的反应时间为4 h,出水可以达到国家污水综合排放标准(GB 8978—1996)二级排放标准.
    The results show that the light steel-framed with web perforation can decrease the heat transfer coefficient of the composite wall The parameters of this steel structure is as follows: 4~6 rows of slots are recommended,the length of slots is 70~80 mm,the width of slots 2~3 mm,the distance between them in the transverse direction 6~9 mm and in the longitudinal direction is 20~30 mm.
    结果表明,腹板开孔后能有效降低墙体传热系数和热桥效应,合适的开孔参数为:开孔排数4-6排、孔长70-80mm、孔宽2-3mm、孔的横向间距6-9mm、纵向间距20-30mm.
    The numerical examples showed that the algorithms are valid to both curves and surfaces.
    数值实验表明,求值算法和节点插入算法对样条曲线和样条曲面均准确、有效.
    The polymorphic fragments amplified by both primers were cloned and sequenced. The sequencing results showed that there was transition(T-C) at 645 site and(G-A)at 641 site,one transition(T-C)at 3 264 site of EX-FABP gene in chicken, respectively.
    引物1和引物2的多态性片段测序分析表明,EX-FABP基因第641位点和645位点分别发生了单碱基的转换(G-A和T-C),第3264位点发生了转换(T-C)。
    The results showed that,two specific bands,about 490 bp and 686 bp individually,were amplified by multiplex RT-PCR of H5 and H9 subtype of avian influenza virus with the two sets of specific primers.
    结果表明:这2对引物能特异性地扩增出H5、H9亚型禽流感病毒HA基因片段,大小分别为490bp和686bp;
    The results show that the optimal usage of cement is 467kg/m3,and the 90-day's compressive strength is 88% of concrete,which cast in air. The dimension of steel tube has prominent influence on experimental result.
    结果表明,水泥最佳用量为467kg/m3,90d龄期抗压强度为空气中浇筑混凝土强度的88%,钢管尺寸对结果的影响明显。
    Test results show that gradation 1 and gradation 4,gradation 2 and gradation 3 have the similar performance of frost resistance; the frost resistance coefficient of the former is about 40% when the cycle of freezing and thawing is 50 and the coefficient of the latter is still larger than 70% when the cycle is 100.Besides,the former is much smaller than the latter and the frost resistance coefficient decreases with the increase of cycle of freezing and thawing.
    结果表明,级配1与级配4,级配2与级配3具有类似的抗冻性,前者冻融循环50次后抗冻系数约为40%,后者冻融循环100次后抗冻系数仍大于70%,前者明显低于后者,且抗冻系数分别随着冻融循环次数的增加而降低。
    Results show that GCL1-D has good foaming performance and the bubbles with a maximum diameter of 1.0mm are fine and stable.
    结果表明,GCL1-D具有优良起泡性能,溶液最大泡径仅1.0mm。
    The results of test demostrate both estimation and accuracy of solving model achieved satisfactory degree,so that the ballistic trajectory problem can be solved without the firing table.
    测试结果表明,弹道综合系数的估计比较准确,而解算模型在精度与实时性上均达到满意的程度,具有高度通用化的特点,并且使弹道问题的解算可以完全脱离射表进行。
    The results showed that the favorable temperature of α-monobromination of 2,4-dichloroacetophenone was 5℃,and the favorable reaction medium was carbon tetrachloride. At these conditions,the yields of monobromide reached 93%.
    结果表明,第一步2,4-二氯苯乙酮的α单溴代反应较适宜的反应温度为5℃,较适宜的反应介质为四氯化碳,在此反应条件下,单溴代产物α-溴-2,4-二氯苯乙酮的收率为93%。
    The reaction rate under microwave heating was 3~12 times higher than that under conventional heating, and the yield and selectivity increased as well.
    结果表明,微波加热条件下反应速率是常规加热的3~12倍,收率和选择性也都有提高。
    Methyl-furoate is synthesized from furfural by Cannizzaro reaction,acyl chloride reaction and esterification. It showed that the time of esterification is only 2.5 hours and the yield can reach 85.0%.
    以糠醛为起始原料,通过康尼查罗反应、酰氯化和酯化反应合成了糠酸甲酯,实验结果表明:酯化反应时间2.5h,糠酸甲酯收率可达85.0%。
    The main influencing factors on the CCMP conversion ratio are examined. The experimental results show that under 700 r/min stirring rate,reflux temperature 92 ℃,V(OH-)/V(CCMP)=5∶1,10%(wt) of alkali solution concentration,DMF 15%~ 30%(wt) against to CCMP,20%~25%(wt) better,the reaction time 6 h,the conversion ratio of CCMP can reach over 95%.
    考察了影响CCMP转化率的主要因素,结果表明,在搅拌速度700r/min,碱液浓度10%(质量分数),温度92℃,m(DMF)/m(CCMP)=0.15~0.30,最好0.20~0.25,V(OH-)/V(CCMP)=5∶1,反应时间6h条件下,CCMP转化率可达95%以上。
    Equal dimension GM(1,1)? polynomial fitting are all applied for the prediction for the total amount of coal in this paper. The results show that equal dimension GM(1,1) is applicable and its precision is better than the traditional method of polynomial fitting and ordinary GM(1,1).
    基于灰色数学理论,通过常规全数据GM(1,1)模型及等维新陈代谢GM(1,1)模型分别对煤炭海运总量进行建模并预测,并与传统的最小二乘曲线拟合所得结果进行比较,结果表明,运用灰色理论所建立的等维GM(1,1)进行预测是可行的,而且精度较传统方法高。
 

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