| 1. | The structure of the extract was determined by ir , and the spectrogram is accordant to standard product
考察了提取剂的含水量、浸泡时间、原料性质和原料预处理方法等因素对提取的影响,获得了最佳提取条件。 |
| 2. | The results showed the mass abrasion resistance of the wpc was not affected by the immersion time and the saltness of the artificial simulated seawater obviously
研究结果表明：海水的浸泡时间和海水盐度对塑木复合材料的质量磨损量均无明显影响。 |
| 3. | Results show that potassium ion concentration has a gradual higher with the extension of bamboo stick immersion times in a certain time and that statistical differences among serum potassium ion concentration at difference times is significant ( p < 0 . 01 )
结果表明：在一定时间范围内，钾离子浓度随竹签浸泡时间的延长而呈逐渐增高趋势，其差异具有统计学意义( p < 0 . 01 ) 。 |
| 4. | Electrochemical impedance spectroscopy ( eis ) was used to study zinc yellow epoxy ester primer for aluminumalloy structural members . equivalent circuit was proposed to demonstrate the characteristics of eis
摘要利用电化学阻抗( eis )技术对铝合金结构件上的锌黄环氧酯底漆进行了研究，提出了相关有效电路。结果表明，浸泡中期，随着浸泡时间的延长，涂膜电阻有一定程度的增加。 |
| 5. | The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1 . 5 % naoh for bone char . studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water . fluoride concentration below 1 . 0mg / l can be acquired easily with them and meets the requirement of drinking water standards
对两种除氟剂进行的再生液与吸附剂体积比为1 : 1的再生实验表明：用硫酸铝溶液对活性氧化铝再生，再生浓度为1 2 ，再生时间为30 50h ，冲洗浸泡时间为5h效果较好；对骨炭再生，氢氧化钠再生液浓度为1 1 . 5 ，再生时间为20 30h效果较好。 |
| 6. | To explore the effect of bamboo stick contacting time with serum sample on serum potassium ion concentration , we have systematically measured serum potassium ion concentration of bamboo stick contacting with serum sample at different times using ion selective electrode method and analyzed their potassium ion concentrations using matching t test
摘要为探讨竹签接触血清样品时间对钾离子浓度影响的程度，采用离子选择电极法分别对竹签在血清中浸泡不同时间的样品钾离子浓度进行测定，并以配对t检验对不同浸泡时间的血清钾离子浓度进行对比。 |
