Probed the effect of the content of guanylurea phosphate and the soaking time on flame retardation, at the same time the treated insulated paper was studied by thermal analysis. 考察了阻燃剂磷酸脒基脲浓度、浸渍处理时间对阻燃效果的影响,并研究了绝缘纸经阻燃处理后热降解参数、剩炭率、击穿电压的变化情况。
The fire retardation of high temperature vulcanized silicone rubbers could be determined by measuring the combustion time and combustion rate of silicone rubber samples. 通过测定硅橡胶试片的离火熄灭时间及燃烧速率来判定热硫化硅橡胶的阻燃性。
Finally, author deals with the response relationship between water yield in the mine and precipitation in past 31 years used frequency analysis of time series and reach a conclusion that the retardation time between water yield and precipitaion is 6 days. 最后应用时间序列分析频谱方法研究了31年来矿井涌水量对降雨量的响应关系,即全矿涌水量滞后于降雨6d。
For the organic contaminant ( phenol), the retardation efficiency is 99 percent in the earlier stage of the test, but it is decreased with the increase of time and less than 6 percent at the end of the test. 对有机污染物(苯酚)的阻滞效率在试验前期可达99%,而随着时间延长,阻滞效率逐渐下降,到试验终了时不足6%;
The performances of composite paint film adding 1.0% modified nanometer barite were improved largely, the T-bending was improved from 4T to 2T, and the corrosion resistance increased 20% with its retardation time from 720~ 1096h before showing blisters. 纳米重晶石添加量为1.0%时,涂层性能有较大的提高,T弯从4T改善到2T;耐盐雾时间也由720h增加到1096h,提高了20%以上。
Besides, the authors put forwards the index of the retardation time for the surface subsidence firstly, which can be used as numerical indicator for mining subsidence areas. 提出地表下沉推迟时间tr的概念,可作为划分开采沉陷剧烈程度的量化指标。
Among them, azone was the best one and the skin penetration amount of FA was increased by 10 times. But the retardation time of azone was the longest, about 9 hours. 月桂氮酮作用效果最强,可以将阿魏酸透皮扩散性能提高10倍左右,但滞后时间长,约9个小时;
The retardation time of fuse in one kind of anti-air missile is given according to different brackets in different groups, however the specific retardation time of fuse is designed according to typical target. 某型防空导弹引信采用分组分档延时控制方式,延时参数根据典型目标设置。
It was concluded that strengthening perinatal care, improving prenatal diagnosis techniques, finding and treating intrauterine growth retardation in time, preventing premature delivery and intensifying systematic care management for high danger risking pregnancy were important ways for reducing the incidence of LBWI. 从而认为,加强围产期保健、提高产前诊断技术、及时诊断胎儿宫内发育迟缓并积极治疗、预防早产及加强高危妊娠的系统化管理,对降低LBWI的发生率有重要意义。
Parent goldfishes were exposed to 1,000 rontgen of X-ray irradiation. The following results were obtained for the embryonic development: 1. decreased rate of fertilization and hatching; 2. retardation of hatching time; 成熟金鱼受1000伦琴X射线照射后,所产的卵降低了受精率及孵化率,延长了孵化时间。
Retardation of deformation time; 变形时间的滞后性;
CO2 emission amount tended to change similarly with the temperature, but had a retardation time. 土壤CO2释放量的变化与温度的变化趋势基本一致,但时间上有一定的滞后,释放量白昼低于夜间。
Effects of flour type and dough retardation time on the sensory characteristics of pizza crust 面粉类型及面团延时对比萨饼外皮感官特性的影响
The depression of finance in the Kham Area was closely related to the retardation of development of the then national economy, resulted from the general domestic and international socio-political situation at the time. 康区的金融财政萧条与当时全国国民经济发展迟缓有密切的关系,为国际、国内大的社会政治环境所决定。
Pigs grow very slowly, and even growth retardation, serious impact on the economic benefits of pig farming, so the diagnosis of the disease in time help to reduce economic losses. 病猪生长十分缓慢,甚至停滞生长,严重影响养猪业的经济效益,因此对该病及时作出诊断有利于降低经济损失。
In the end, the author also calculates the thermal retardation time of the concrete slab cooling system and capillary cooling system when the supply water temperature in the step change condition. 得出了供水阶跃变化条件下,标准结构的楼板式冷天花和毛细管式冷天花的热滞后时间。