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Its characteristic is: Have good bibulous performance and ventilated property, actual hea
其特征是:有良好滴吸水质量和透风质量,事实换热辐面靠近表辐面的100倍;材质壮实、耐水浸泡而非改变现状;耐侵蚀,正常应用寿运可达到五年,能够达到和实现低于外面4℃-10℃的降冷作用,同时对空气air中的微尘具备良好滴筛选质量,可自行诘淨,因此完成诘白与降冷的作用。
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As one of the first manufacturers of bearing steel ring in China, the company is mainly engaged in such products as bearing steel ring for cotton spinning, nut, retaining ring, cotter pin, closing ring and flat pad etc.
经试验证明,"衰退钢领"内跑道的几何形态无显著变化,表面具备足够硬度,精抛光后(钢领可达到▽10-▽11级),上车使用效果非常好,可连续抛光使用能达到钢领使用寿命3-5年以上。
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Field experiments demonstrated that efficacy of 30% dichlorvos and omethoate for Caloptilia dentata was over 80%, for Drosicha corpulenta was 95.9% and Psylla willieti 96.4%. For Parathrene tabanifomis, Anoplophora glabripennis, Apriona swainsoni and Panonychus ulmi also gained perfected efficiency, and injection dosage of 2.0ml/cm φ for Myzus persicae obtained 100%result, for Eriococcus lagerostioemiae which damage Punica gianatum the result was 92.96%. In all, the efficiency of 30% diohlorvos · omethoate control of most pests was better than bisultap, decis, acephate, nicotine and avermectin, etc.
田间防效结果表明30%敌畏·氧乐对元宝枫细蛾的防治效果可以达到80%以上,对草履蚧和槐木虱防效分别大于95.9%和96.4%,对白杨透翅蛾幼虫、危害新疆杨和合作杨的光肩星天牛幼虫、危害国槐的锈色粒肩天牛幼虫、危害苹果的榆全爪螨等可达到理想防效,当施药剂量为2.0 ml/cmφ时对桃蚜的防效达100%,对危害石榴的紫薇绒蚧防效可达92.96%以上。30%敌畏·氧乐对大多数害虫的控制作用优于杀虫双、敌杀死、乙酰甲胺磷、烟碱和阿维菌素等。
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The results show that the amorphous PLGA fiber with porous structure (0.1-1.0 μm) is obtained by diluted solvent spinning method and the mechanical properties is affected by pressure and temperature. Bending strength and shearing strength of the samples increase firstly and then decrease with the increase of molding temperature and pressure. While the molding temperature is 160℃and the pressure is 105MPa, the PLGA materials possess optimal mechanical properties, bending strength, shearing strength and bending modulus 187.3 MPa, 100.0 MPa and 2.5 GPa, respectively. The mild temperature molding PLGA materials are desired to play a grate role in non-bearing internal fixation devices.
研究结果表明:非晶多孔结构的PLGA纤维可通过溶液沉析纺丝的方法获得,其孔径为0.1~1.0μm;压制压力和压制温度对材料的力学性能影响较大,材料的抗弯强度、剪切强度和抗弯模量均随着温度和压力的增大而先增大后降低;在压制压力为105MPa,压制温度为160℃时,试样的力学性能比较理想,此时,其抗弯强度可达到187.3MPa,剪切强度达到100.1MPa,抗弯模量达到2.5GPa,可望作为非承重部位骨折愈合内固定材料。
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The adsorptive effect of chitosan on acidic dye follows a sigmoidal trend. The chitosan-woven fabric after 98% de-acetylation achieved 98% and 95% dye adsorption in reactive dyes; and achieved 93% and 92% dye adsorption in reactive dyes in eight days. The higher the degree of de-acetylation, the better the dye adsorption.
使用去乙醯化98%的几丁聚醣含浸织物吸附材,在经过8天的饱和吸附后,对於种反应性染之吸附效果可达到98%和95%;且对於种酸性染之吸附效果也可达到93%和92%,由此可知去乙醯化程越高,对染的吸附效果越好。
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It's predicted that mobile phone users in China will reach 0.35 billion at the end of 2005, laptop users will hit 11 million, and users of all types of cameras have grown to 4.5 million from today's 2.8 million. By 2005, laptop users will reach 80 million, and 50 million for cameral users.
预计到2005年底,中国移动用户量可达到3.5亿个,手提电脑用户可达1100万个,各类摄像机用户要从今天的280万发展到450万。2005年全球手提电脑用户将达8000万个,摄像机用户将达到5000万个。
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The UV and IR spectroscopic studies of the monomer films showed that the photoreaction ratio of monomer (about 50%) was higher than the corresponding photosensitive polymer (about 10%, PVCi). The polarized IR spectra proved that obvious anisotropic absorption was displayed in the irradiated photosensitive film. With polarizing microscopy method, we found that these kinds of photoalignment films exhibited good alignment ability, and the stability of the photoalignment film could reach about 100℃. 2 A photosensitive self-assembled monolayer was fabricated that contained photo-cycloadditable groups, such as, coumarin and cinnamate. The reaction process were detected by contact angle method because the IR absorption of monolayer was very weak. The photosensitive self-assembled monolayer promote uniform alignment of nematic liquid crystals by LPUV, and it thermal stability could reach about 130℃. 3 A cationic bolaform amphiphiles was synthesized that had two photosensitive double bonds, and can be polymerized by ultraviolet. A layer-by-layer self-assembled deposition film was prepared in aqueous solution by using this material and poly (sodium 4-styrenesulfonate). The UV-Vis. spectra proved that the multilayers film was uniform and layer-by-layer. When LPUV irradiated the film, the photopolymerizable double bond underwent [2+2] cycloaddition, and the production of the reaction distributed along the polarized direction of incident LPUV. Polarized UV-Vis. spectra indicated that the irradiated self-assembled multiplayer film was anisotropic, and the dichromic ration is about 0.09, it is higher than the spin-coating method of photosensitive polymer or monomer. We used this anisotropic film as alignment layer of nematic liquid crystals, and obtained a uniform and stability alignment result, the static contrast ratio is about 100, which is very close to application of liquid crystal device. This thesis is an instance that the photochemical material was used in the physics region of liquid crystals, the route that was from photosensitive monomer, self-assembled monolayer film to self-assembled multiplayer film was undergone, by this logical research method photoailgnment of liquid crystal was extended and consummated.
围绕上述思路开展了如下工作:1合成了三种可进行光二聚反应的光敏小分子单体,LPUV 辐照制作了光控取向膜;用紫外-可见光谱法和红外光谱法分析了薄膜中的光化学反应,发现小分子的光反应程度可达到50%以上,至少比光敏高分子高出5倍;薄膜的偏振红外光谱证实,经过LPUV 辐照后薄膜出现了明显的各向异性;将小分子光控取向膜制成液晶器件,在偏光显微镜下观察看到均匀一致的液晶取向;并且热稳定性达到100℃左右,接近实用化要求。2制备了含肉桂酸、香豆素基团的自组装单层膜;采用接触角的方法监测自组装反应的动力学过程;紫外-可见光谱证实了自组装单层膜在石英基板表面形成;自组装单层膜经LPUV 辐照后能诱导液晶均匀取向,而且热稳定性可达130℃,热稳定性进一步提高。3合成了含有光敏双键的双季铵盐,在水溶液状态下将它和聚乙烯基苯磺酸钠沉积生成layer-by-layer 自组装多层膜,紫外-可见光谱证实这是一个逐层均匀的沉积;在LPUV 照射下,自组装膜中的光敏双键按照偏振方向发生[2+2]环加成反应,形成取向膜,用二向色性值评价的分子取向度高于高分子及小分子光控取向膜的水平;实验证明用自组装多层膜制成的液晶器件亮暗态均匀,静态对比度约为100,达到实用化器件的水平。
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The results show that the maximum growth quantity of Nocardia can be achieved after culturing 120 h and obvious selective adsorption of Nocardia on the surface of pyrite and sphalerite can be detected. The maximum adsorption rate on the surface of pyrite is 96.99%, whereas it is less than 20% in the case of sphalerite. Adsorption equilibrium can be attained within 20 min on the surfaces of the two minerals. pH value is the key factor influencing upon selective adsorption, and the difference of adsorption quantity on the surfaces of two minerals is apparent when pH is between 4 and 10. Slurry concentration over 6 g/L is favorable to selective adsorption. Nocardia cell concentration, stirring speed and temperature have no obviously effect on selective adsorption.
结果表明:培养120 h后诺卡氏菌达到最大生长量;诺卡氏菌在黄铁矿和闪锌矿表面发生明显的选择性吸附,在黄铁矿表面的最大吸附率可达到96.99%,而在闪锌矿表面的吸附率大都在20%以下;诺卡氏菌在两种矿物表面于20 min内即可达到吸附平衡; pH值是影响诺卡氏菌在两种矿物表面发生选择性吸附的关键因素, pH在4~10之间时,选择性吸附现象明显;矿浆浓度超过6 g/L时有利于发生选择性吸附;细胞悬浊液浓度、搅拌速度和温度对吸附效果影响不大,均可产生选择性吸附。
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The manganese sulfate in the raffinate was recovered by alkaline oxidation process. Using ferrous sulfate as the catalyst, the conversion ratio of manganese dioxide was 84%, the content of manganese dioxide was 90%, which could reach the requirement of circle utilization.
萃余液中的硫酸锰采用碱式氧化法回收利用,以硫酸亚铁为催化剂,MnO_2的转化率可达84%,产品含量达到90%,可达到循环利用的要求。
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As hollow fiber membranes thickness are different, yet urea clearance rate in simulation solution is relatively high, which can reach more than 64% and little difference among them; the BSA have a relatively high rejection, which can be achieved over 98%. There is a certain difference in the Lysozyme clearance rate, the smaller thickness, the higher the rate of removal, and the removal rate of 10μm thickness of the membrane is 29%. The clearance rates of urea were very high using different fiber diameter dialyzers, at around 80%. Urea clearance ratecan reach to the highest 88.6% using 0.26mm fiber diameter dialyzer. The clearance rates of Lysozyme vary greatly, the smaller the diameter, the higher clearance rate, and the highest removal rate of lysozyme is 62.79% using 0.26mm fiber diameter dialyzer. However, there is little impact on the rejection of BSA, which can reach 98%.
不同壁厚中空纤维膜透析器对模拟液中尿素的清除率均可达到64%以上,且差异不大,对牛血清白蛋白的截留率均可达到98%以上,对溶菌酶的清除率有一定的差异,壁厚越小清除率越高,壁厚为10μm的膜对溶菌酶的清除率为29%;不同纤维内径透析器对尿素的清除率均在80%左右,纤维内径为0.26mm的透析器对尿素的清除率最高,达到88.6%,对溶菌酶的清除率差别很大,内径越小,清除率越高,内径为0.26mm的透析器对溶菌酶的清除率达到62.8%,对牛血清白蛋白的截留影响很小,截留率都能达到98%以上。
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attainability:可达到
attain 达到 | attainability 可达到 | attainable 可到达的
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attainability:可达到, 所及
attain | 达到, 获得 达到 | attainability | 可达到, 所及 | attainable precision | 可达到的精密度
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attainable:可达到的
目标法则 目标刺激我们奋勇向上 制定目标的SMART原则 具体的(Specific) 可衡量的(Measurable) 可达到的(Attainable) 相关的(Relevant) 基于时间的(Time-based) 目标法则 哈佛大学的研究 终未状态(25年后) 初始状态(25年前) 数量比例 生活在社会的最底层,
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attainable:可获得的,可获取的,可达到的
available 可获得的,可用的,可会见的 | attainable 可获得的,可获取的,可达到的 | retain 保存,维持,保留
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attainable standard:可达到的标准
attainable high standard 可达到的高标准 | attainable standard 可达到的标准 | attainable standard cost 可达到标准成本,实现标准成本
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attainable cost:可达到的成本
attainable consumption set 可达消费集 | attainable cost 可达到的成本 | attainable high standard 可达到的高标准
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within reach:可达到
with the help of在...的帮助下 | within reach 可达到 | without delay 毫不迟疑,毫不推迟
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attainableness:可达到/所及
attainable /可达到的/ | attainableness /可达到/所及/ | attainder /剥夺公民权/
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Ower:只要自重、自觉、自制,人生就可达到至高无上的境地
ower. 只要自重、自觉、自制,人生就可达到至高无上的境地. | Self-trust is the first secret of success. 自信是成功的首要秘诀. | Selt-trust is the essence of heroism. 自信是英雄的本色.
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Self-reverence self-knowledge self-control these three alone lead life to sovereign power:只要自重、自觉、自制,人生就可达到至高无上的境地
Self-praise is no recommend... | Self-reverence self-knowledge self-control these three alone lead life to sovereign power. 只要自重、自觉、自制,人生就可达到至高无上的境地. | Selt-trust is the essence o...