查询词典 polyethylene

Extracted DNA by CTAB, in proportion to the additions of PVP and β-mercap toethanol to the extraction buffer were capable of preventing browning from taking place in the extraction, Tris-Phenol (Stabilized with 0.1M Tris, pH 8.0)/Chloroform/isoamyl alcohol were used to remove protein and impurity in the second extraction, during crude DNA used to Isopropanol DNA and deterged by DNA detergent, without using RNase remove RNA, we detected the quality and concentration of DNA respectively for normal leaves and drought stress leaves by Agarose gel electrophoresis of genomic DNA and ultraviolet spectrometry photo.

用20%聚乙二醇(polyethylene glycol，PEG6000)模拟干旱，采取CTAB提取缓冲液，按一定比例加入PVP和β-巯基乙醇，用Tris平衡酚－氯仿－异戊醇除去蛋白质及杂质，在粗提时用异丙醇沉淀DNA，并用DNA洗液（10mmol/L醋酸铵，75%乙醇）洗涤DNA，在纯化时用乙醇沉淀DNA，且没有加入RNase去除RNA的方法，分别提取2个品种正常和干旱胁迫的苹果属叶片总DNA，并对提取的DNA进行琼脂糖凝胶电泳和紫外分光光度计检测。

The optimal recovery of protein was obtained when egg yolks were diluted 1:8 with water; precooled 95% ethanol was added to a final concentration of 60%; SephadexG-15 gel filtration or dialyzed against distilled water and Polyethylene glycol were used for condensation.

鸡卵黄液的最佳稀释倍数为V：V=1：8；冷冻乙醇的添加量为溶液总体积的60％；离心条件分别为：1900×g 10℃ 10min和22000×g 4℃ 20min；NaCl溶液的浓度为25mM；纯化浓缩的方法采用SephadexG—15凝胶过滤或透析和聚乙二醇浓缩。

Although most studies dealing with the modification of semi-crystalline polymers with inorganic particles reported embrittling effects by comparing ultimate elongation and impact strength of composites materials with those unfilled resins, some researchers showed that the enhancement of toughness in rigid particle filled polypropylene and polyethylene, in which high filler content is generally required (the volume fraction is about 20%).

然而，由于纳米粒子极易聚集的特性和聚合物熔融状态下呈现的高粘度性质，使采用常规的熔融共混技术制备均匀分散的纳米复合材料变得极其困难。

Each variety was sown into three blocks.They were harvested at 79～83d(MS1), 86～89d(MS2),93～96d(MS3) and 98～100d(MS4) after seeding and ensiled with four different ensiling treatments(R group:adding lactobacillus,3×10~9cfu/t,E group: adding cellulase 2×10~4u/kgDM,xylanase 6×10~5 thousand u/kgDM andβ-glucanase 5×10~5 u/kgDM,R+E group:adding lactobacillus 3×10~9cfu/t and enzyme preparation as E group together,group:adding no additives but carrier).The whole crop rice were pestled by mallet and then chopped into 3cm～5cm after they were harvested and then ensiled in a 6L polyethylene pot and sealed.

为探索全株青贮饲料稻的适宜品种、适宜收获时期和适宜青贮处理方法及其品质评价，2006年，选择饲料稻湘早籼24、湘丰早119和浙辐802，采用相同的栽培技术，种植在同一大田，每个品种设三个重复小区，分别在四个不同成熟阶段(MS1：播种后79～83d；MS2：播种后86～89d；MS3：播种后93～96d；MS4：播种后98～100d)收割，采用四种青贮添加剂处理(R组：添加乳酸菌3g/t；E组：添加纤维素酶2万u/kgDM、木聚糖酶60万u/kgDM和β-葡聚糖酶50万u/kgDM；R+E组—添加乳酸菌+复合酶，其中乳酸菌添加量同R组，复合酶添加量同E组；K组—不添加任何添加剂)。

The results show that comprehensive technical indexes of the structure made of foamed polyethylene board were good.

结果表明，便携式微型保鲜冷库的最佳制冷设备工作时间系数为 0 。2 4 ，对照 0 。32 ，库体导热系数为 0 。95 ，对照 1.0 0。

At Chen County, Gansu Province, half kernel and fragmentized kernel of shell-less walnut which were cased white 40μm polyethylene plastic hag for 180 days at ambient-temperature (20~30℃) were studied.

以甘肃省成县核桃为试材，将带壳核桃、核桃半仁和核桃碎仁装入厚40μm的白色聚乙烯塑料袋中，在常温(20~30℃)下贮藏。

The inventive method is especially suitable for granulating polyethylene or polypropylene.

本发明的方法特别适用于聚乙烯和聚丙烯的造粒。

As strain-hardening effect greatened on the load-bearing polyethylene, the release of plate-like wear debris augmented and caused upward increase in an added sequence.

由两产品的测试结果比较： B 型产品磨损较多，所以释出的磨耗屑重量也明显多於 A 型产品。

Nano-powder (nano-Ag 35%, nano-TiO2 40%, kaolin 25%) 30%, polyethylene 56% and cross-link reagents 14% were immingled in uniformity for 1 h, then extruded to nano-granule after cooling by 1-2 minutes.

纳米包装材料是以纳米粉体（纳米Ag 35%、高岭土 25%、纳米TiO2 40%）、塑料、腊、聚乙烯等制备而成用于水果蔬菜的包装，可显著提高水果在贮藏过程中的品质。

The average size of polyethylene lamellae crystals is about 30-50 nm.

经过改性后的GONPs基底依然保持了原有的褶皱形貌。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。