查询词典 low-grade

Low profile design is the new trend, television cabinet is low, the coffee table is low, Melania libertina on the sofa when the eyes of the only films that Keren and the sun was bright.

低姿态是设计的新趋势，电视柜是低的，茶几也是低的，蜷在沙发上的时候，眼前只有那可人的影片和明媚的阳光。

During preparation, mercapto ethanol isooctanoate, alkyl or ester tin chloride and organic solvent are first heated and refluxed while adding catalyst; organic layer is then obtained through separating liquid and decompression distilled; and through further steps, the compound is obtained. The synthesis process of the present invention is simple, and has conversion rate higher than 95 %, normal pressure and low reaction temperature, low power consumption and less pollution, and the prepared compound has high reaction activity and low toxicity.

制备时，将异辛酸巯基乙醇酯、烷基或酯基氯化锡和有机溶剂加热回流，同时加入催化剂，然后通过分液，保留有机层，再对有机层进行减压蒸等步骤制得所述化合物；本发明合成工艺简单，转化率大于95％，反应在常压条件下，反应温度低，从而降低了能耗，减少了污染，所制备的化合物具有反应活性高和毒性小的特点，使用安全。

The low rate of the electron transfering through the multicrystalline network of a nano-crystalline thin film, and the low efficicency of the dye absorbing the low energy photons are two limiting factors that influence the photoelectric conversion efficiency of the cells.

电子通过纳米晶薄膜多晶网络的低速率和染料分子对低能量光子的低吸收率是影响染料敏化太阳电池提高光电转换效率的两个主要原因。

Based on the national tenth five magnitude project — Suzhou City Water Environment Improvement and Synthesize Demonstration item, we carried out the static simulation test and the dynamic simulation test under the condition of heavy pollution loading rate and low transparency and dissolved oxygen in polluted river of suzhou ancient city district. These investigations were on the base of the formers' work. We analyzed the purification effects and rules of plant floating-bed technology on polluted river water, and also applied the technology to purify the polluted river water in Miaojia River. Conclusions were summed up in the following:The dominance plant option test was carried out among Oenanthe javanica, Lolium mutliflorum and Allium sativum under low temperature condition. The results showed that the Oenanthe javanica was the dominance floating-bed plant under low temperature condition. Its net removal rate of TN、 NH_3-N、 TP、 COD_ were 51.3%、 65.2%、 55.6%、 57.6%, respectively, and inhibition rate of algae reached 92.3%.

本论文以国家863重大科技专项——&苏州市城市水环境质量改善与综合示范&项目为依托，在前人研究的基础上，根据苏州古城区污染河道污染负荷重、透明度及溶解氧低的实际情况，通过静态、动态模拟试验，研究了植物浮床技术对污染河水的净化效果及规律，同时在苏州古城区内的苗家河开展了植物浮床技术净化污染河水的示范应用，得出了以下结论：(1)低温条件下对水芹菜、多花黑麦草、大蒜三种浮床植物筛选的试验表明：水芹菜是低温条件下浮床植物的优势种，其对TN、NH_3-N、TP、COD_的净去除率分别为51.3%、65.2%、55.6%、57.6%，对藻类的抑制率达92.3%。

The ophitic and subophitic textures, elongated apatite crystals, low Al(superscript Ⅵ)/Al(superscript Ⅳ) ratios (0.00-0.28, 0.12 on average) in clinopyroxene, and low Cao content in olivine (0.04%~0.24%, average 0.12%) indicate that the gabbrowas crystallized at a low pressure.

辉长岩所具有的辉绿辉长结构、大量细长针状磷灰石、单斜辉石中较低的Al/Al值（0.00~0.28，平均为0.12）及橄榄石中较低的CaO含量（0.04%~0.24%，平均为0.12%），均体现出浅成侵入岩的特点。

The ophitic and subophitic textures, elongated apatite crystals, low AlⅥ/AlⅣ ratios (0.00 ～0.28, 0.12 on average) in clinopyroxene, and low CaO content in olivine (0.04%～0.24%, average 0.12%) indicate that the gabbro was crystallized at a low pressure.

辉长岩所具有的辉绿辉长结构、大量细长针状磷灰石、单斜辉石中较低的AlⅥ/AlⅣ（0.00 ～0.28，平均为0.12）及橄榄石中较低的CaO含量（0.04%～0.24%，平均为0.12%），均体现出浅成侵入岩的特点。

The calls of non-passerine are some kinds of monotonous dull vocalizations with the characteristics of low and deep frequency, single syllable, low basic frequency and with no ability of modulation in frequency and amplitude. Most of the calls are monotonous and low quality mainly based on the basic song. Compare the vocal of sub-oscine passerine with non-passerine, they have some similar aspects, but the former possesses of stronger capability of vocal control.

非鸣禽的叫声低沉而单调，音节种类单一，基本音频率低，缺乏频率调制以及幅度调制的能力，叫声的品质因数很低，不悦耳，大多为以基本音为主的单音调低音品叫声，亚鸣禽的叫声与非鸣禽近似，但在控声能力方面又有所提高。

In this thesis we used two types of low-carbon ductile as the basal of low-carbon ductile cast—infiltration, one is as-cast high-toughness pearlitic low-carbon ductile, the other is as-...

用我们自己配制的合金粉末进行低碳球铁表面铸渗合金化后，得到的表面渗层的硬度最高可以达到HRC58，远远高于母体的硬度。

A relative low lake level between 8660～6010 cal.yr BPwas reflected by the clayey silt sediment with the median size less than 25μam and the sandcontent less than 4%,and the Pediastrum concentration was normally low.Between 6010 and2250 cal.yr BP,the median size and sand content increased greatly,and the Pediastrumconcentration raised sharply,suggesting a relative low lake level.After 2250 cal.yr BP,boththe median size and the Pediastrum abundance abruptly declined,suggesting the lake returnedto high level and the climate changed to humid.

UG04孔硅藻记录重建的湖泊水位变化基本上支持孢粉重建的古植被和古气候：8660～7230 cal.yr BP硅藻组合以浮游类主导，浮游／底栖比达40以上，指示水位较高，气候略湿润；7230～2330 cal.yr BP浮游类硅藻丰度和浮游／底栖比降低，湖泊处于低水位，气候干旱；2330～930 cal.yr BP浮游类硅藻丰度和浮游／底栖比增加，湖泊水位升高，气候湿润。

It is possible to produce low-titanium aluminum alloy directly. Three months of periods of industrial test for production low-titanium aluminum alloy was conducted using the 80kA prebake electrolysis cells. The test results showed that the electrolysis cell can work stably, and the effect of TiO2 added into electrolyte on electrolytic process parameters, current efficiency, consumes of materials and energyare trifling. The titanium content in alloys is stable and the absorbility of Ti is high. The microstructure of electrolytic low-titanium aluminum alloy is homogeneous. The grain refinement effect is excellent comparing with that of alloys added titanium by melting Al-Ti master alloys and both alloys have the same grain refinement trend.

在80KA中型预焙电解槽上进行了为期三个月的低钛铝合金的工业试验，结果表明，电解槽工作状态稳定，TiO_2的加入对电解槽的主要工艺参数、电流效率、物料和能源消耗影响不大，合金的钛含量稳定，钛的吸收率高；所生产的电解低钛铝基合金的微观组织均匀，晶粒细化效果好，与熔配加钛的细化规律相同。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。