查询词典 alkali grass

With development of industry, growth of population and decreasing of arable land, selecting and breading plant material for salt resistance and rationally using saline-alkali land are very significant.

随着工业迅速发展、人口猛增和可耕地面积的减少，培育抗盐植物材料，开发利用盐碱地显得日益重要。

UCB01S is of oil resistant,acid resistant,alkaliresistant and seawater resistant.more over,there is no lead in the PTFE surface layer and so is particularly fit for bushings in food stuff machines,alkali flow meters,pumps motion elements in pharmaceutical machines,printing machines chemical engineering machines and other ocean industry.this is a triple layers composites bush,the base material being a bronze plate and a film of heat resistant power filled PTFE being calendered onto the sintered spherical bronze interlayer.

UCB01S不锈钢耐腐蚀轴承，是以不锈钢材料为基体，中间烧结耐腐蚀合金粉末，表面轧制以聚四氟乙烯为主的低摩擦材料，经过卷制成型的一种十分有效的耐腐蚀材料。它具有耐油、耐酸、耐碱、耐海水和耐磨损的特点，表面的PTEE材料不含铅成份。在食品饮料机械、印染机械、化工机械、海洋工业耐腐蚀滑动部位最适合使用。

Some disadvantages of alkali slug cement,such as low vol.stability,large evaporation constriction,difficult control of congealing time,an...

因而，50余年来碱矿渣水泥并未在建设工程中推广应用，轻易断言凝石可取代水泥是没有根据的。

By micro-analysis on the aging fibers, it indicates that attack of alkali hydrates to vegetable fibers is serious and the flexibility becomes lower and the brittleness becomes increase for the calcium hydroxide crystal conglomerated in the fibers bosom.

通过对老化后纤维的微观分析发现，水泥水化后的碱性物质对天然植物纤维的侵蚀较大，Ca_2晶体在纤维内腔中的沉积使纤维的柔性降低，脆性增加，在长期干湿循环作用下，纤维水泥基材料的抗折强度下降。

To mensurate the content of the organic material ,the total and effective n, h2so4-hclo4-h2o2 decompounding method, 20%nacl distilling and alkali hydrolysis distilling method were adopted .t-testing method was adopted for the data.

结果首次报道了紫色土适宜丹参高产的肥力指标、函数模型以及丹参土壤的肥力对比研究结果，适宜于丹参高产的肥力指标为：om 10～20 g·kg-1，全氮1.0～1.5 g·kg-1，速效氮200～500 μg·g-1，c/n比率6∶1～7∶1。

Single factor experiment and orthogonal factor experiment were carried out to study the method of alkali extraction and acid precipitation ,which was used to extract the kiwifruit seed protein from degreased kiwifruit seed drag.

以脱脂猕猴桃籽粕为原料，采用单因素实验和正交实验，对碱提酸沉法提取脱脂猕猴桃籽粕蛋白的工艺条件进行探讨。

Deionized water machine: machine used in deionized water, acid and alkali power adjustments, and other functions.

离子水机：应用于离子水机，有酸、碱功率调整，等功能。

The nitrocellulose filter s are then placed on wet filter paper containing alkali, which denatures the DNA

再将硝酸纤维素滤膜置于含碱的湿滤纸上，碱的作用是使DNA变性。

Referring to the mixed ion-exchange equipment in Yankuang Cathay Coal Chemicals Co.,Ltd.going worse,causing the periodic output of water sudden declining,desalinating water lack,mixed bed frequent regenerating,high acid and alkali consumption etc.,the causes were analyzed and the relative countermeasure was taken.

针对兖矿国泰化工有限公司混合离子交换器运行恶化，造成混床周期制水量急剧下降，供脱盐水紧张，混床再生频繁，酸、碱耗高等问题，进行了原因分析并采取措施，使混床恢复运行正常，为企业创造了很好的经济效益。

The invention uses the fermentation liquor of one Escherichia coli generating polysialic acid as material, filters and removes thallus, adds some solvents as sodium chloride and alcohol into supernatant to deposit polysialic acid, dissolves the polysialic acid deposits via deionized water, filters to remove modified protein, uses alkali prolease to treat filtrate, complexes deposits via cetyl pyridinium chloride or cetyltrimethylammonium bromide, and dissociates, uses over alcohol to deposit polysialic acid, dissolves the deposits via ultra-pure water, grades and purifies via chromatography column, collects and dialyzes eluent, cools and dries to obtain polysialic acid.

本发明以一株产聚唾液酸大肠杆菌的发酵液为原料，经过过滤去除菌体，上清液加入适量氯化钠和乙醇等溶剂沉淀出聚唾液酸，聚唾液酸沉淀用去离子水溶解，再用过滤去除变性蛋白质，滤液经过碱性蛋白酶处理、氯代十六烷基吡啶或十六烷基三甲基溴化铵络合沉淀并解离后，再用过量乙醇沉淀出聚唾液酸，聚唾液酸沉淀用超纯水溶解，用层析柱进行分级纯化，收集洗脱液经过透析，冷冻干燥得聚唾液酸产品。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼