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The purification-pretreatment technique of 8 kinds of solid phase extracting column stuffing (silica gel, acid silica gel, Florisil, siliceous magnesium sorbent, Al2O3, celite 545, acid celite, Al2O3+silica gel) for the prepared polluted soil containing 13 kinds of organochlorine pesticides (α-HCH,β-HCH,γ-HCH,δ-HCH, o,p'-DDT, o,p'-DDE, p,p'-DDT, p,p'-DDD, p,p'-DDE, a-endosulfan, dieldrin, endrin, hexachlorobenzene) was screened prior.

用製备的8种固相萃取柱填料(硅胶,酸化硅胶,氟罗里硅土,硅镁型载体,Al2O3,硅藻土载体545,酸性硅藻土,Al2O3+硅胶)对含有13种有机氯农药的污染土壤的纯化预处理技术进行了优化筛选。

This paper deals with making stop bleeding sponge with dried small shrimps. Firstly breaking away with inorganic salt and proteir in the dried small shrimps with acid and NaOH, secondly, taking off vinyl-in the chitin with 50% NaOH, temperature is 110 ℃. the last, reacting with chitosamine and PVA-124 make stop bleeding sponge were produced, catalyst is PdCl 2. The sponge film and sparkce is setatisfaction.

用虾壳经除盐,去蛋白处理后,用50%的NaOH溶液在110℃的温度下脱乙酰基制备壳聚糖;以1∶9的稀醋酸溶作溶剂,氯化钯作催化剂,甲苯二异氰酸酯作发泡剂、交联剂,使壳聚糖与PVA-124进行交联成膜,发泡用氨水洗成中性后在80℃的红外灯烘箱下烘干,制得止血海棉

The preparation method is characterized in that:(1) at minus 10 DEG C to 10 DEG C, a chloroauric acid solution with a certain concentration is added into a nano-Pt/C catalyst by ultrasonic or stirring mixture and the atomic ratio of Pt to Au is controlled between 18:1 and 5:1;(2) a small amount of monohydric alcohol or dihydric alcohol or trihydric alcohol of C1-C3 is added and is stirred at minus 10 DEG C to 10 DEG C for 10 min to 5h, so as to prepare the carbon-loading Pt-Au bimetallic nano electro-catalyst;(3) if necessary, the catalyst obtained by the step (2) is treated for 0.5 to 4h at high temperature ranging from 100 DEG C to 700 DEG C in the inert or reducing atmosphere, so as to adjust and control the grain size of the Pt-Au bimetallic nano electro-catalyst.

本发明涉及了一种高稳定性碳载Pt-Au双金属纳米电催化剂的制备方法,其特征在于:(1)在-10~10℃中,将一定浓度氯金酸溶液加入到纳米Pt/C催化剂中经超声或搅拌混合,控制Pt∶Au的原子比为18∶1-5∶1;(2)添加少量C 1 -C 3 的一元、二元或三元醇类,在-10~10℃下搅拌10min-5h,制备了碳载铂金双金属纳米电催化剂;(3)视需要,可将步骤(2)得到的催化剂在惰性气氛或还原气氛中经100~700℃高温处理0.5-4h,可调控Pt-Au/C双金属纳米催化剂的粒径。

After acid hydrolysis of urine, primary amino acids were derivatized with ortho-phthaldialdehyde and removed from the sample by use of silica gel, followed by devivatized of hydroxyproline with 9-fluorenylmethyl chloroformate, and then injected into a C8 reversed-phase column.

采用邻苯二甲醛和芴甲基氯甲酸酯两个衍生剂,先后处理尿标本,以国产C8柱为固定相,在醋酸钠缓冲液中加入23%的乙腈作为洗脱液,3,4-脱氢脯氨酸作为内标。

UHMWPE fiber is treated by chromic acid of different concentration at different temperature.

本文采用不同浓度和温度下的铬酸溶液对超高分子量聚乙烯纤维进行表面处理。

The blood was withdrawn in citrated tubes andprocessed to analyze effects of heparin (0, 1, 2, and 3 U ·mL–1), aprotinin (0, 200 kIU · mL–1), and25% hemodilution with calcium-free lactated Ringer's solutionon ACT measurements.

血液放在枸橼酸试管内,处理后分析肝素(0、1、2和3 U ·mL–1)、抑肽酶(0、200 kIU · mL–1)和用无钙乳酸林格氏液稀释25%对 ACT 值的影响。

Based on the security,efficacy,cheapness and easy gain three disinfectant drugs(acids, degerming agents,surface active agents)were chosen to killing coccidial oocysts in chicken.

本试验按照安全、有效、经济、来源容易的原则,从对鸡球虫卵囊有一定抑杀作用的三类消毒药物(酸类、消毒剂类、表面活性剂类)中,筛选了 17组不同药物和浓度的搭配组合,设计了 3个试验:抑制鸡球虫新鲜卵囊孢子化试验;抑杀孢子化卵囊试验;新鲜卵囊和孢子化卵囊经药物处理后感染小鸡试验。

HPLC was used to determine the concentrations of chlorogenic acid and baicalin in the plasma samples of rabbits,then analyze these data by the pharmacokinetics program 3P97 to determine the parameters of pharmacokinetics and the compartmental model of both ingredients in Yinhuang compound microenema.

采用高效液相色谱法测定黄芩苷和绿原酸在家兔体内的血药浓度,采用药动学程序3P97进行统计处理,确定药动学模型及相关药代动力学参数。

After varied survival periods, the model mice were sacrificed to get the specimens of SN fixed, embedded and coronally sectioned continuously. The microsections were processed by immunohistochemistry to label the DA neurons and Calbindin D28k-containing neurons with the antibodies against tyrosine hydroxylase and CR respectively. The labeled cells were counted under microscope and analyzed statistically.

模型动物存活1周后,一部分取其中脑黑质节段,固定、包埋做连续冠状石蜡切片,以免疫组织化学染色方法,显示各组酪氨酸经化酶和钙结合蛋白表达阳性细胞,光镜观察并细胞计数,统计学分析;另一部分取其中脑黑质组织匀浆,行TH、CB的Westem blot免疫印迹方法检测,用LabWorks软件分析处理。

Like similar covalent fluorides and perchlorates, it needs to be handled with extreme caution.

就像与其类似的共价氟化物和高氯酸盐,都需要非常谨慎处理。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。