The eyes adapt quickly when going to the light emerging from a tunnel into the sun, say but going to the dark 'requires the regeneration of photo pigments, and that takes some time to reach full dark-adaptation,' says Dr. Sheedy. 希迪博士说,从暗处到亮处时眼睛适应起来非常快,比如从隧道里出来重见天日时,但从亮处到暗处时需要新生成光色素,因此需要一些时间来完全适应黑暗。
During regeneration, the operators should pay attention to the regeneration condition at any time to avoid changes of acid and alkali concentration, which or else can cause acid lost or alkali lost or other unsafe factors. 再生过程中,操作人员应随时注意再生情况,以免酸碱浓度改变,造成跑酸跑碱或其他不安全因素。
The results show that the nonuniformity of gas velocity distribution at DPF inlet prolongs the regeneration time, delays and raises the temperature peak; 结果表明:进口处气体流速不均匀分布会延长再生时间、推迟和提高温度峰值;
Based on method of exhaust back-pressure to judge DPF regeneration time, working principle of regeneration control system was introduced. 基于排气背压法判断DPF再生时机,阐述其再生控制原理。
The operating surface of the filter fabric is cleaned one-time automatically and the regeneration time of the filter fabric is short; 滤布工作面一次性自动完成洗涤,滤布再生时间短;
The principle of EDI'S regeneration, auto-regeneration and manual regeneration, the two kinds of EDI's regeneration were introduced. At the same time the parameters and the end-point of manual regeneration were researched. 介绍电去离子(EDI)装置的再生原理,电去离子(EDI)装置的两种不同再生形式:自动再生、手动再生,研究了手动再生的条件,以及再生终点的控制。
It demonstrated that EDTA had good effects on protoplast formation, but affected protoplast regeneration when its action time beyond 30 min. EDTA对原生质体的形成稍有促进作用,但作用超过30min会影响原生质体的再生;
It was proved that electro-thermal regeneration of ACF was a relatively ideal method characterized by short regeneration time, high regeneration efficiency, little loss of adsorbent and easy operation. 且ACF损耗很小。本方法再生时间短,效率高,吸附剂损失少,操作简便,是一种较为理想的再生方法。
If temperature and regeneration times increased, breakthrough absorption time, breakthrough absorption amount and saturation absorption amount all decreased, It demonstrated that the absorption of NO 2 onto ACF was mainly physical absorption, but existed a little chemical absorption. 温度升高、ACF再生次数增加,穿透时间缩短,穿透吸附量及饱和吸附量均降低。证明ACF对NO2的吸附以物理吸附为主,但存在一定程度的化学吸附。
The results show that the secondary air can obviously increase regeneration efficiency and shorten regeneration time, but too great secondary airflow rate will make the filter flux and rift. 试验结果表明,二次空气能够明显提高再生效率、缩短再生时间,但其流量过大会导致过滤体烧熔和炸裂。
Smaller wall thickness increases the regeneration time of front-end, but decreases the regeneration time of rear-end. 较小的过滤体壁面厚度会增加过滤体前端的再生时间,缩短后端的再生时间;
Model regeneration in time domain by using time series method, based on the road statistical digital feature PSD in frequency domain or on road test data sequence is featured with efficiency and universality. 基于道路频域统计数字特征或基于道路测量数据序列,用时间序列方法建立道路时域模型是一种有效且普适的时域道路建模方法。
Comparing the regeneration of sciatic nerve defects repaired after different predegeneration time in rats 大鼠坐骨神经缺损后不同时间修复的效果比较
The maximum temperature and the regeneration time are affected notably by infrared electric power and the exhaust flow rate, and infrared regenerating technique is controllable. 红外功率及再生气流对蜂窝陶瓷的最高温度及再生时间有显著影响,红外再生的可控性好。
It reverts to normal size on regeneration of the extirpated lobe with time. 之后随切除叶的不断再生,对侧叶恢复到正常大小。
The results show that, the particle activated charcoal has advantages such as large decoloration capacity, high decoloration efficiency, short regeneration time and strong anti-abrasion ability. 结果表明,颗粒活性炭具有脱色容量大、脱色效率高、再生速度快、抗磨损能力强等特点。
It is found that, by observation and experiment, when the stability of the ecology is not disintegrated by the ways and intensity of the engineering activities, the desert vegetation has a capability of natural regeneration, the natural regeneration, however, needs a long time. 通过观察试验发现,当工程行为方式及强度对生态环境的干扰未使生态稳定性瓦解时,则沙漠植被具有自然恢复能力,但恢复过程需要较长的时间才能完成。
It is proved that the desulfurized liquid generated through the RPB can improve the efficiency of desulfurization and shorten the regeneration time. The concentration of hydrogen sulfide after desulfuration is lower than 20 mg/ m~ 3, which can meet the requirement for long distance transportation. 经超重力旋转填充床再生的脱硫液可提高脱硫效率、减少脱硫液的再生时间,且脱硫后出口净化气的硫化氢质量浓度均低于20mg/m~3,满足了天然气运输的要求。
All-optical signal regeneration is a key technique needed for the ultrahigh speed and large capacity all-optical networks, and all-optical recovery is the critical technique in all-optical regeneration. The best project of time recovery is based on the self-pulsation in multi-section DFB laser. 全光信号再生技术是超高速大容量全光网络中的核心技术,其中全光时钟提取是全光再生技术的关键,基于多区DFB激光器件自脉动进行时钟提取是最佳选择方案。
At certain test conditions, the effect of adsorption temperature, volume fraction of aromatics, flow capacity, regeneration time of molecular sit and adsorption period were inspected respectively. 分别考察了在一定的实验条件下,吸附温度、溶剂油中芳烃的体积分数、流量、分子筛再生时间及吸附周期等因素对透过曲线的影响;
The effect of hormone, subculture media, desiccation treatment and supplements on regeneration of mature embryo-derived callus subcultured for a long time in rice were studied. 以长时间继代的水稻成熟胚愈伤组织为试验材料,研究激素配比、继代方式、干燥处理和添加物对分化的影响。
With the increase of vapor temperature and regeneration time, the effect of semi-coke regeneration is improved. 对于半焦水蒸气再生进行了初步的研究。随着通入蒸汽温度的升高和时间的增长,再生后半焦的处理能力增强。
The new method of regeneration on activated carbon had more incomparable advantages than the traditional methods because of its advantages such as low energy consumption, short regeneration time, high regeneration efficiency, and simple equipments, etc.. 因其能耗少、再生时间短、处理效果高且设备简单,使得该再生技术有着传统活性炭再生方法不可比拟的优点。
Repairment and regeneration of injuried peripheral nerve involves in very complex pathophysiological process. How to accelerate nerve regeneration is always a hot spot for a long time. 如何加快周围神经损伤后的修复,长期以来一直是研究的热点。
Starch/ PVA membrane which combined the advantages of natural polymer and synthetic polymer was prepared in this study. Starch and PVA composites are studied in many fields, but starch/ PVA membrane was studied in guiding tissue regeneration for the first time. 本实验结合了天然高分子材料和合成高分子材料的优点制备了淀粉/PVA膜,并首次将其用于引导组织再生技术。
In radiation treatment on callus culture in vitro regeneration, increase the sugar content 1 time is better able to maintain cell growth, improve survival. 在对辐射处理后的愈伤组织进行离体再生培养中,提高含糖量1倍能够更好的维持细胞生长,提高存活率。
The use of PRF-HA in sinus lift of dogs can promote bone regeneration, shorten the healing time and provides experimental basis for the clinical application. 将PRF-HA联合运用于犬上颌窦提升中,可以促进骨组织再生,缩短愈合时间,为临床应用提供了实验依据。