For many years, the borate luminescence materials have been paid much attention owing to their properties of low preparation temperature and high luminescent efficiency.
硼酸盐体系绿色荧光粉具有发光效率高、光色纯、烧结温度低、合成简便、粒径适中等优点,广泛用于等离子彩色电视机。
The test results show that the precipitator maintains good performances, but the trap efficiency under high temperature conditions is lower than that under low temperature conditions.
试验结果表明,该静电旋风捕集器能在较高温度下保持良好的性能,但高温下静电旋风捕集器的捕集效率要低于低温下的效率。
The temperature has more significant effect on the precipitation efficiency in low temperature zone than that in high temperature condition.
与高温情况相比,在低温区,温度对除尘效率的影响更加显著。
Low, green waterproof, high temperature, cold new LED lights, the lights of electricity users to reduce costs and create a user greater efficiency.
量少、环保防水、耐高温、耐寒的新型LED灯,该灯减轻用户用电成本,营造用户更大效益。
Compared with other maize hybrids, they are characterized by poor low temperature resistance, good high temperature tolerance, fast growth, high photosynthetic efficiency of leaves and high yield etc.
这些品种与其它品种比较具有耐寒性差、耐高温性好、生长速度快、叶片光合效能强和产量突出等生理特性。
Fe-based nanocrystalline core transformer inverter which has a high saturation magnetic flux density, high efficiency, small excitation power, low loss, good temperature stability.
铁基纳米晶逆变变压器磁芯其具有高饱和磁感应强度,效率高,激磁功率小,损耗低,良好的温度稳定性。
But there are some shortage of ordinary single-stage heat pump in low-temperature environment, such as high compression ratio, devoid heating power and low efficiency.
但普通单级空气源热泵热水器在低温环境下运行中存在压缩比过大、制热量不足和制热效率太低等问题。
In circulating fluidized beds, but with existing problems of high ignition temperature, large content of carbon in the fly ash and relatively low efficiency of combustion.
试验结果发现循环流化床能够有效燃烧无烟煤,但存在着火温度高,飞灰含碳量大,燃烧效率较低等问题。
The substrate has wide selection range and low cost, the photoelectric conversion efficiency is high, the deposition temperature is low and the technique is simple.
本发明衬底选择范围广、成本低,光电转换效率高、沉积温度低,工艺简单。
The result showed that the advantages offered by the catalytic combustor is that catalytic combustion can be carried out over a wide air: fuel ratio and at low temperature with high heat efficiency.
结果表明:燃气能在较宽的空燃比下催化燃烧,具有高的热效率,同时污染物排放量远远低于传统燃烧器。
The low efficiency is caused by the rejection temperature exceeding the design value and the high air coefficient (oxygen content).
热效率和火用效率达不到设计值的原因,一是排烟温度超过设计值,二是空气系数偏高。
Since TEC has the disadvantage of limited power and low efficiency, the cooling effect is not as effective as expected when used to control the temperature of high-power laser diodes.
TEC存在功率有限、制冷效率低的问题,在用于大功率半导体激光器的温度控制时,常常无法达到所需的制冷效果。
The invention can adjust horsepower of electric iron and has the advantages of high heating efficiency, low hull temperature and long durability.
藉由上述结构主要解决现有电烙铁功率无法调节的技术问 题,具有热效率高、烙铁头子不会烧死、外壳温度低、寿命特长等优 点。
No light pollution, high illuminant efficiency, low temperature design, avoiding equipment aging avoid brightness reduce, life loss, mass maintenance task and other problems.
无光污染、无高温、发光效率高,从而避免由于高温而导致设备老化、亮度降低、寿命缩短、维护量大等问题。
For developing high efficiency and secure coagulants, Potassium ferrate prepared by hypochlorite oxidation method was used in the treatment of raw water with low temperature and low turbidity.
为了研制高效和安全的混凝剂,采用次氯酸盐氧化法制备高铁酸钾,对高铁酸钾处理低温低浊水源水进行研究。
And has high efficiency, low noise, stable performance, small vibration, long life, temperature range of large, advanced structure, easy maintenance and so on.
并具有高效、节能、噪音低、性能稳、震动小、寿命长、温升幅度大、结构先进、使用维修方便等优点。
Single-electron devices get more and more attention due to their high efficiency, good performance, high speed, low wastage(working in room temperature), high integration, reliability and so on.
单电子器件以其高效、高功能、高速、低耗(可在常温下工作)、高集成化及经济可靠等优点受到了人们的广泛重视。
The high temperature superconductors (HTS) bearing low surface resistance can be used to raise the efficiency of antenna.
高温超导(HTS)体由于具有较低的表面电阻,在天线应用中,它可以提高天线的效率。
The selection and field test of low temperature and high efficiency demulsifiers were conducted, according to property of emulsion and characteristics of process flow of the field.
针对该气田浮化液特性和生产工艺流程的特点,进行了低温高效破乳剂的筛选与现场试验。
The method provided by the invention is characterized by low-temperature and normal-pressure operation, low dosage, low energy consumption, high production efficiency, simple process and low cost.
本 发明所提出的方法是在低温常压下操作,药剂使用量少,具有能耗低、生产效率高、工艺简单和成本低廉的特点。
The high efficiency and low pollution characteristics of high temperature air combustion were analyzed too.
分析了高温空气燃烧技术的高效低污染特性。
Heat transfer in narrow channel has lots of advantages such as compact structure, low heat transfer temperature difference and high efficiency and so on.
窄缝通道具有结构紧凑、换热温差低等优点,因此该无源强化传热技术被广泛应用在微电子、低温制冷、化工及其航空航天等领域。
Have efficiency is high, operation is simple and convenient, life-span is long, combination damps the vibration, the smooth running, low noise, accurate temperature control.
具有效率高、操作简便、寿命长、分离效果好、特殊组合减震、运行平稳、噪音小、离心控温精度准确等特点。
Antenna have high gain, low noise temperature characteristic under test in experimentation, and it can precision tracking at S-band, high efficiency receive at S/X-band.
经过外场测试,天线在S/X双频段具有高增益、低噪声温度的优良性能,天馈系统在S波段能进行精密跟踪及S/X双频高效率接收。
The results show that the column is characterized with low column pressure, low column temperature, rapid and high efficiency. The column was applied to the separation of divers alcohol withs...
结果表明,该柱具有操作柱压和柱温低、出峰速度快、分离效果好等特点,在分离多元醇样品时获得满意效果。
The invention adopts the technology combining low-temperature heating and ultrasonic processing, and has the advantages of good sterilization effect, high efficiency and the like.
本发明采用低温加热与超声结合技术,具有杀菌效果好、效率高等优点。
The conversion efficiency obtained in the test sequence of high to low temperature was higher than that of low to high temperature sequence. The …
以高温→低温的试验顺序可获得较高的催化剂净化率;
The conversion efficiency obtained in the test sequence of high to low temperature was higher than that of low to high temperature sequence. The …
以高温→低温的试验顺序可获得较高的催化剂净化率;
应用推荐