查询词典 water column

This has to do with the way a deep column of water boils.

这是因为一个深层水柱的沸点造成的。

Atmospheric pressure can support a column of water up to 10 meters high.

大气压能够支持10米高的水柱，但植物可将水送得更高。

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。

In connection with the additional recording of the amounts of percolating water and precipitation it also permits the quantification of water balance of the soil column.

关于其它的一些渗透水和沉淀水的量的记录，土柱中水平衡也可以定量化。

The results showed that the sandy soil in layered soil profile can stimulate or obstacle the water movement as compared to the uniform loam column with 50cm depth of water table, this was mainly determined by the position of the sand layer.

结果表明，砂层对于水分的蒸发既有促进也有抑制作用，在地下水埋深为50 cm时，5 cm厚的底砂层可使水分的蒸发强度增加10%～20%；砂层距水位的距离大于5 cm时，砂层可抑制水分的蒸发，且当距离增加到35 cm左右，其抑制率可达70%～80%；当砂层距水位的距离继续增大时，水分的蒸发强度基本保持不变。

Main: yancheng sow birthing tables manger, Leakage dung board conservation bed, Limit column limit feed bed, Fiberglass insulation chests, FRP geothermal board, Automatic feeding trough, Water mouth, water bowls, Feed car, pig feed machinery

主营：盐城母猪产床料槽；漏粪板保育床；限位栏限喂床；玻璃钢保温箱；玻璃钢地热板；自动料槽；饮水嘴，饮水碗；饲料车，猪用饲料机械

The column experiments on sandy loam and loam showed (water content from oven-dry to saturation) that different Ts/Ta values lead to water content deviation 0.001?

用烘干至饱和含水量的砂质壤土和壤土的土柱试验结果表明，选用不同的Ts/Ta值，引起的含水量偏差分别为0.001？

Methods: The protein and other impurity in the sample were precipitated by zinc acetate and potassium ferrocyanide after dipping of the sample. N,N-dichlorocyclohexylamine derived from sodium cyclamate by sodium hypochlorite in the filtrate was extracted by hexane. The HPLC separation was carried out with a phenomenex Gemini-C18 column using acetonitrile-water(7+3) or methanol-water (8+2) as mobile phase and detected by UV monitor at 314 nm. External standard method was used for quantification.

样品中甜蜜素浸提后，用乙酸锌和亚铁氰化钾试剂沉淀蛋白质等干扰杂质，过滤，用次氯酸钠将样品溶液中的甜蜜素转化为N，N-二氯环己胺经正己烷萃取后，在phenomenex Gemini-C18柱上，以乙腈－水(7+3)或甲醇－水(8+2)为流动相进行分离，HPLC-UV检测器在314 nm测定，外标法定量。

The regenerating method invention thereof comprises the following steps: firstly, the treating tea after absorbing the heavy metal ions is washed by water to the neutral after HCL solution is used for eluting; and secondly, the NaOH solution of a certain proportion is used for flowing through the column, and then water is used for washing to the neutral.

其再生方法包括：(1)将已吸附了重金属离子的处理茶，用HCL溶液洗脱后用水洗至中性；(2)用NaOH溶液的比例过柱，再用水洗至中性。

Sample of trace nitrite in food and water were concentrated on a combination micro-fluidic chip with SPE micro-column, and examined on-line by a system of NaNO2—KI—Luminol. The contents of nitrite in Luncheon meat and tap water were 14.63mg/kg and 0.052mg/kg respectively.

在自制的复合式微流控芯片上，利用NaNO2—KI—Luminol发光体系，实现了午餐肉和自来水中痕量NO2—的在线分离富集、混合反应和检测，测得午餐肉中NO2—的含量为14.63mg/kg，自来水中NO2—的含量为0.052mg/kg。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。