Therefore, its use is essential to maintaining a healthy rate of conversion. 因此,其使用对于维持健康的转化率是必不可少的。
The rate of conversion was counted using relative absorption area method. Quantum yields for photoinitiation and photodecomposition are also low with Mn. 采用Mn时,光引发和光分解的量子产率也很低。
The results showed that the induction period of the initiator was prolonged and the rate of monomer conversion was slowed in the presence of epoxy resin. 结果表明,环氧树脂的存在,延长了引发剂的引发诱导期,单体的转化速率减慢。
Low-power switching power has characteristic of Low Power Loss, high rate of conversion, small size and light weight. 针对体积小,可靠性高,待机功耗低的小功率开关电源。分析了国内外开关电源的发展和现状。
While, the existing production technology has a lot of faultinesses. So the rate of conversion is too low ( the percent of BaO in the clinker aggregate is about 40%), and it has some faultinesses like low efficiency, big cost and high labor hardness. 然而,现有的工艺技术存在很多缺陷,转化率很低(熟料中BaO含量仅40%左右),另外,还存在生产效率低下、成本高及劳动强度大等弊端。
Methods: NOS activity was determined by the rate of conversion of 3H arginine to 3H citrulline in damaged spinal cord tissue from 0 to 60 min after spinal cord compression, and immunohistochemistry was applied to study NOS derivation. 方法:检测伤段脊髓组织中3H标记的精氨酸转化生成3H-瓜氨酸的量,了解脊髓压迫伤后0~60min伤段脊髓组织NOS的活性变化;并应用免疫组织化学方法研究其细胞定位。
Analyzes the effect of steam and carbon ratio to the conversion rate of urea conversion system and improve method. 分析水碳比对尿素合成系统转化率的影响以及改进的方法。
But, in abnormal glow discharge condition, the temperature of reaction system reaches approximately 700~ 1 000 K, rate of methane conversion is high and C_2 hydrocarbon is the main reaction product. 但在大气压反常辉光放电的条件下,反应体系温度约为700~1000K,甲烷转化率较高,且反应中的产物主要为C2烃。
It uses Cobb-Douglas production function to estimate the contribution rate of land conversion in economic growth and use enviroment Kuznets curve to explain the affection of land conversion induced by the upgrade of industry structure. 用柯布·道格拉斯函数计算了农地非农化对经济增长的贡献率,用环境库兹涅茨曲线解释了产业结构升级对农地非农化的影响,评价了农地非农化对基础设施改善和人民生活水平提高的作用。
Objective To evaluate the significance of ultrasound before laparoscopic cholecystectomy ( LC), provide the reason to choose LC and decrease the complications and rate of conversion to open cholecystectomy during LC. 目的评价超声在腹腔镜胆囊切除术(LC)前的诊断价值,为LC提供全面选择依据,减少避免了LC的困难及并发症及中转开腹率。
From the test of diesel smoke intensity; the converter that be improved on the air-input structure is better than the 40 ° expansion tube of velocity distribution of airflow; it can improve the rate of conversion in converter. 通过柴油机烟度特性试验,表明改进入口管结构的催化转换器气体流速分布优于40°扩张管结构,其能够提高催化转换器的转换效率。
Only one patient was converted to open surgery, the rate of conversion was 8.3%. 中转开腹率为8.3%。
Exchange rate pricing model and empirical study on exchange rate of conversion from RMB to US dollars 汇率定价模型及人民币兑美元汇率研究
On the other hand the rate of feed conversion for indigenous enzyme in low protein group and high fiber was equal to the standard control, decreased 21.44% and 16.26% compared with the import enzyme treatment. 而低蛋白和高纤维型日粮条件下,国产酶组与标准营养条件下的对照组接近,比进口酶组分别降低2144%和1626%。
By applying the method to Pinyin-to-Character conversion system, the experiment shows that the method improves the performance of language model significantly and reduces the error rate of pinyin-to-character conversion system effectively. 实验表明,这项技术使语言模型的性能获得了较大的提高,并有效地降低了音字转换系统的错误率。
The catalysis of the activated carbon fiber ( ACF) during the course of flue gas desulphuration was studied by XPS atlas analysis, determination of the rate of conversion of SO_2 into H_2SO_4 and a verification of long period test. 采用XPS图谱分析SO2转化为H2SO4的速率测定以及长周期的实验验证对活性炭纤维在烟气脱硫过程中的催化作用进行了研究。
The rate of conversion to open surgery was 12% in cases with LC; LC组中转OC率为12%,并发症为4%;
It was found that formic acid can be used to culture hydrogen-producing bacteria and control pH value of the system. Even at continuous fermentation the hydrogen yield can reach 273ml/ g, the rate of energy conversion could be 63.80%. 相关实验研究证实,可以利用甲酸连续培养和驯化产氢菌种以及调节发酵体系的pH值,在连续发酵中,甲酸的产氢能力在标准状态下高达273ml/g,能源转化率为63.80%。
Methods: The operative time, postoperative hospital-ization, the rate of conversion laparotomy and complication between the simple group and the complicated group were compared. Result; 方法:对比分析单纯性胆囊结石组和复杂性胆囊结石组的手术时间、术后住院时间、中转开腹手术率及并发症发生率。
Conventionally, sulfuric acid is often used as catalyst in the esterification of acetic acid. Although the rate of conversion is high in the process, many problems exists, such as too much secondary reaction, serious corrosion, complicated final treatment and pollution. 醋酸酯化传统上一般使用浓硫酸作催化剂,虽然转化率高,但存在着副反应多,腐蚀严重,后处理复杂和污染等问题。
The results indicate that high temperature is in favor of gasification. And it is conducive to improving the rate of carbon conversion and cold gas efficiency. 结果表明,高温有利于生物质气化,促进碳转化率和冷煤气效率的提高。
Furthermore, the effects of initiator concentration and polymerization temperature on the reaction rate of monomer conversion were also studied. 同时研究了引发剂浓度和聚合温度对反应体系单体转化率的影响。
The conversion proceeds at a faster rate in the presence of an external magnetic field than that without an external magnetic field. The rate of conversion depends on the intensity of a magnetic field applied, which increases with increase of the intensity of an applied magnetic field. 实验结果表明0.2&0.4T的外加磁场提高了转化速率,转化速率提高的程度依赖于所加磁场的磁场强度,随磁场强度的增加而增加。
The alkali catalytic transesterification can increase the rate of triglyceride conversion. 而后进行的微波辅助碱催化酯交换,可以使酸化油中的脂肪酸甘油酯转化率有很大提高。
At present, the clinical treatments of osteoporosis mainly focus on inhibiting bone absorption and reducing the rate of bone conversion to improve bone mineral density. But there are still no effective treatment methods to improve the quality of bones. 目前临床上对OP的治疗,主要是通过抑制骨吸收和降低骨转换率来提高骨密度,而对骨质量的改善尚缺乏有效的治疗方法。
Most of the researches were concentrated on the investigation of the effect of the initiation temperature, pH value, concentration of the monomer, initiator, EDTA-2Na, and urea on the rate of conversion and intrinsic viscosity. 研究中重点考察了聚合条件,如聚合温度、引发剂浓度、pH值、尿素和EDTA-2Na用量、单体浓度及配比等因素对聚丙烯酰胺转化率和特性黏数的影响。
Optimization of process parameters, the entire tobacco silk has increased the rate of conversion rate, intra-tar cigarettes fluctuations in value and the batch fluctuations in the value of the amount of nicotine in cigarettes has decreased cigarette quality and stability, uniformity is good. 3. 工艺参数优化后,烟丝整丝率转化率有所提高,批内卷烟焦油量波动值和批内卷烟烟碱量波动值有所降低,卷烟品质稳定,均匀性好。