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1.For com position of TiN 75%(vol), Mo 25%(vol)and appropriate amount of flux aids, the excellent metallization film with bond strength up to 40MPa can be achieved under suitable conditions,i. e, at sintering temperature of 1800~1850℃ and in the atmosphere of nitrogen 90%(vol)and hydrogen 10%(vol).
体积配比为75%TiN,25%Mo及适量烧结助剂,烧结温度为1800~1850℃,气氛为氮气(90%)和氢气(10%)的适宜条件下,获得了结合强度达40MPa的良好金属化结合层。收藏指正
2.vol% of SiC Whisker was added to B4C- 20% Al2O3 and B4C- 30% Al2O3 composites respectively, and sintered at vacuum atmosphere at 1850℃、 35MPa for 40 min.
B4C- 20vol% Al2O3和 B4C- 30vol% Al2O3两种材料分别掺加了 15vol% (体积比 )的 SiC晶须 (SiCw)在 1850℃、 35MPa下热压烧结 40min。收藏指正
3.The suspension?s zirconia of 0.34Pa·s at a shear rate of 50s-1 was achieved with a high solid loading(35vol%),along with stability an d low viscosity,by using a polyelectrolyte disp ersant H 4 PAA of 0.1wt%(dispersant/powder).
分散剂用量为1.0%(对于粉体,按质量)时,悬浮体稳定性较好,该纳米粉体浆料的流变特性得到明显的改善。收藏指正
4.These changes have not been detected at the population level, but e-coli bacteria bugs adapted in lab experiments showed resistance when exposed to as much as 0.1 percent wt/vol triclosan soap.
目前,这种改变(产生耐药性)还没有在细菌的群体水平得到证实,但是,当将实验室常用的大肠杆菌暴露在质量体积比为0.1%的三氯森香皂环境时,大肠杆菌产生了耐药性。收藏指正
5.Through the orthogonal design experiments of the key technical operation and the flavor regulation,the optimum technical conditions were summed up as follows: addition of 260 g syrup in 1 L 60 % base liquor for 40 h steeping at 40 ℃,and the best blending parameters: sugar degree as 270,pH as 4.5,and 20 %Vol alcohol content.
通过对关键工艺操作和风味调整进行正交实验,确定最适工艺条件为:1L60%的基酒加入260g果浆在40℃条件下浸泡40h; 最佳调配参数为:糖度270,pH值4.5,酒度20%Vol。收藏指正
6.The results suggested that the best technical conditions were as follows: 40 min saccharification, 0.05 % (w/w)inoculation quantity, fermentation temperature at 34 ℃, 60 h fermentation, the use rate of starch in Dioscorea Zingiberensis as 97 %, alcohol yield as 53.5 %, and the final alcohol content as 7.8 %Vol.
结果表明,发酵最优条件为糖化时间40min,接种量0.05%(w/w),发酵温度34℃,发酵时间60h,盾叶薯蓣的淀粉利用率为97%,淀粉出酒精率为53.5%,最终酒精度为7.8%Vol。收藏指正
7.Table 3 shows the change in the chemical composition of the process solution after 10 vol.% of hydrazine is added at the end of the fourth cycle.
表3显示在第四个周期的最后,加入容积百分之10的氮化物,则其过程溶液的化学成份会改变。收藏指正
8.In order to improve the mechanical properties of tungsten, tungsten matrix composites containing 0, 10%, 20%, 30% and 40%(vol) ZrC particles (ZrC/W composite), respectively, were prepared by vacuum hot pressing at 2000℃, 20MPa for 1h.
在 2 0 0 0℃、2 0MPa压力下 ,真空热压烧结 1h制备了ZrC颗粒含量分别为 0、10 %、2 0 %、30 %和 40 % (vol)的五种钨基复合材料 (ZrC/W)。收藏指正
9.the results show that with increasing SiCw content (from 0 to 30vol% in composites, the flexural strength (σf), fracture toughness (K(Ic)) of AS composites and the K(Ic) of AZS composites are continuely increased, but the σf of AZS composites is increased only up to 20vol% SiCw, increasing SiCw content further (up to 30vol%), it is decreased.It is found that that the mechanical properties of AS composites are improved further by incorporating 20vol% ZrO2-2mol% Y2O3. Particles. the σf, K(Ic) of AZS composites are higher than those of AS composites at the same SiCw content. The effects of SiC whisker toughening and ZrO2 Phase transformation toughening on the K(Ic) of Al2O3 ceramics are substantially synergic, but the strengthening effect of SiCw on the Al2O3 ceramics is greater than that of Al2O3+20vol% ZrO2-2mol% Y2O3 ceranics.
结果表明:复合材料的抗弯强度和断裂韧度均随SICW含量的增加(从0~30vol%)而提高,但在AZS复合材料,当SICW含量大于20vol%时,反而导致抗弯强度下降。 加入20vol%ZrO_2-2mol%Y_2O_3颗粒可使AS复合材料力学性能进一步改善,AZS复合材料的抗弯强度和断裂韧度均高于相同晶须含量的AS复合材料,SICW增韧和ZrO_2相变增韧的作用对Al_2O_3陶瓷断裂韧度的贡献具有良好的叠加性,但SICW对Al_2O_3陶瓷的强化效果大于对Al_2O_3+20vol%ZrO_2-2mol%Y_2O_3陶瓷。收藏指正
10.When electrolyte was 1 mol/L LiN(SO_2CF_3)_2/DOL+DME(50∶50,vol),the initial discharge specific capacity of sulfur electrode was 1 050 mAh/g at room temperature and discharge current density of 0.4 mA/cm~2.Its discharge specific capacity was above 600 mAh/g at the 50th cycle.
当电解液为1 mol/L LiN(SO2CF3)2/1,3-二氧戊环(DOL)+乙二醇二甲醚(DME)(50∶50,体积比)时,在室温、0.4 mA/cm2的电流密度放电时,硫电极的首次放电比容量达1 050 mAh/g,第50次循环,放电比容量仍维持在600 mAh/g以上。收藏指正
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