查询词典 pretreatment

The Zircaloy substrates were prepared with different pretreatment, then Cr films with the thickness of 0.5μm l.0μm 2.0μm 3.1 μrn and Cr/Nb Nb/Cr binary films were deposited with the same deposition parameters.

锆合金板基体经过不同的预处理后，采用直流磁控溅射方法，在相同的沉积参数下在其表面沉积了0.5μm、1.0μm、2.0μm、3.1μm厚度不等的纯cr薄膜以及Cr和铌的复合薄膜。

With systeamine pretreatment decreased yields of dominant lethals were obtained in spermatocytes, spermatids and in spermatozoa.

用半胱氨预先处理，在精母细胞、精子细胞和精虫内均可使显性致死突变值下降。

Experiments was performed on the cathode electrophoresis paint performance and pretreatment process.

研究了新型低温固化低密度阴极电泳漆(KNT831)的性能。4。对阴极电泳涂料性能及前处理工艺进行了试验。

In this paper, we study grass carp skin pretreatment conditions, using the method of sodium hydroxide adding hydrogen peroxide can bleaching and removing non-collagen and defatted to grass carp skin , the role of its collagen solubility effects.

本文研究了草鱼皮的预处理工艺条件，采用氢氧化钠中添加双氧水方法可以同时起到脱色、脱杂蛋白、脱脂肪的作用，以及其对胶原蛋白的溶解性的影响。

Commonly dated material is organic matter, with the amount less than 2% in the sequence and affected by modern plant rootlets and agriculture, making younger 14C ages of all the organic materials but our laboratory can efficiently isolate young organic matter by adopting new pretreatment method.

最常用的测年物质是有机质，其含量低于2%，并受到农业施肥和现代植物根系渗透的影响，造成14C年龄偏年轻，本实验室采用新的前处理法能有效地分离年轻污染物。

Histological examination of the root development in melon hypocotylcuttings revealed that phloem parenchyma cells in the hypocotyl cuttings startedto divide and initiated the adventitious root development after 48th hrs of aninduction pretreatment.

以甜瓜下胚轴为试材，建立了一套简便、快速的不定根离体诱导与调控体系，并观察了不定根分化与发育过程中细胞组织学的特点。

Apply to: all kinds of plastic film(PP, BOPP, LDPE, HDPE, PVC, PET, PS, ABS…ETC)and various stickers, aluminum foil, laser film, aluminum platinum, paper, fiber material for the printing and composite, coating before the pretreatment.

适用于：各种普通塑料膜（PP、BOPP、LDPE、HDPE、PVC、PET、PS、ABS等等）和各种不干胶标签贴纸、镀铝膜、镭射膜、铝铂、纸张、纤维材料印刷及复合、涂布前的预处理。

The pretreatment methods of seven trace phenols in water and the conditions of using high performance liquid chromatography were studied.

摘 要：研究了水中7种痕量酚类物质的前处理方法和采用高效液相色谱分析的色谱条件。

The impacts of hot water pretreatment of eucalyptus chips on eucalyptus hemicelluloses pre-extraction and following alkaline pulping were studied.

摘 要：研究了 150℃和 160℃下 4 种反应时间桉木片热水预处理对半纤维素预提取及后续烧碱-蒽醌法和硫酸盐法制浆的影响。

The results showed that the yield of pentose in pre-extraction is 27%~43%,which indicates that hot water pretreatment is effective for extracting hemicelluloses hydrolytic sugars.

木片经热水预处理后，碱法制浆性能提高，易成浆，可降低用碱量，缩短蒸煮保温时间，而且与原木片碱法制浆相比，相近蒸煮条件下浆料卡伯值下降 7~10 个百分点，浆料己烯糖醛酸含量下降 75%~95%，原浆白度升高 4~6 个百分点，黏度有小幅度降低，得率下降 1.5~4.5 个百分点。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。