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Methods: Determining paeoniflorin content by high performance liquid chromatography measurement conditions: mobile phase of acetonitrile -0.4% phosphoric acid solution (volume ratio 13∶87; detection wavelength 230 nm; flow rate 1.0 mL/min; and column temperature 25℃; and determining polysaccharide content by anthrone-sulfuric acid method. The extraction procedure of Langchuangling granule was measured, and the evaluated indexes were the rate of dry extra, contents of the paeoniflorin and the total polysaccharide with L9 (34) orthogonal test and preferential treatment of data.

采用高效液相色谱(high performance liquid chromatography,HPLC)法测定芍药苷含量[测定条件:流动相为乙腈-0.4%的磷酸水溶液(体积比为13∶87);检测波长230 nm;流速1.0 mL/min;柱温25℃];采用硫酸-蒽酮法测定总多糖含量,并以干浸膏得率、总多糖含量和芍药苷含量为指标,采用L9(34)正交实验,用综合评分法处理数据优选水提取工艺。

College of Veterinary Medicine, China Agricultural University, Beijing 100094, China Abstract: A method has been developed to determine residual stilbenes such as diethylstilbestrol, dienestrol and hexestrol in animal tissues using solid phase extraction and gas chromatography-mass spectrometry.

动物组织样品在碱性条件下用乙酸乙酯提取,经碳酸钠溶液液-液分配净化,再用硅胶柱固相萃取净化,洗脱液均分成两份后经氮气吹干,分别用双三甲基硅基三氟乙酰氨和七氟丁酸酐衍生,采用选择离子监测模式进行测定,外标法定量。

But flexible language writes to return can hold back comes out, want piece write down, this is not laic absolutely dry work, only ability of history jade column must come out.

可软文写一篇还能憋出来,要一篇篇写下去,这绝对不是凡人干的活,只有史玉柱才干得出来。

The results showed that NaCl stress decreased the seedlings fresh mass and dry mass significantly. Under NaCl stress, the relative contents of Na(superscript +) and Cl(superscript -) in cells increased significantly, but the increment somewhat differed with different tissues. In root and stem, epidermal cells had the greatest increment, followed by cortex cells, and stelar cells; while in leaf, epidermal cells had the greatest increment, followed by cortex cells, spongy tissue cells, and palisade tissue cells.

结果表明:NaCl能显著降低长春花幼苗的鲜质量和干质量;对根、茎和叶片横切面X射线微区分析表明,NaCl胁迫导致长春花体内各组织细胞中Na和Cl相对含量显著增加,但在各器官、组织中分布稍有不同:与对照相比,根和茎中都是表皮细胞中增加幅度最大,中柱细胞次之,皮层细胞最低;在叶片中亦是表皮细胞增加幅度最大,依次是皮层细胞、海绵组织细胞及栅栏组织细胞。

Methods: Fifty-four female SD rats (8-month-old) were randomly divided into three groups, 18 rats in each group, They included a sham-operated group, an ovariectomized group and a tonifying kidney recipes therapy group, After 3 months, the animal models of osteoporosis were established, pour titanium smooth columnar implants were placed in the proximal metaphyses of left tibiae of the rats.

选用纯种8月龄雌性SD大鼠54只,随机分为3组:假手术组,卵巢切除组,卵巢切除加中药治疗组,每组18只。切除卵巢切除组及中药组大鼠双侧卵巢,假手术组大鼠仅切除双侧卵巢附近的脂肪组织。术后3个月,在三组大鼠胫骨近中干骺端分别植入纯钛光滑柱状种植体。

Essential oils from the dried rhizomes of zingiber officinale were extracted by supercritical-CO2 fluid(SFE-CO2 ),the flavonoids of essential oils were further extracted by solvent.

利用超临界CO2流体从干姜中萃取出姜精油,经过有机溶剂对其萃取使生姜黄酮进一步分离,采用大孔树脂为层析柱填充料对生姜黄酮进行纯化,得到纯度为72.3%生姜黄酮。

Great progress has been made by taking the following technical improvement for the 2500 ton Hydropress: to replace thin oil with lithium grease in its lubricating system; to add four manual grease pumps; to lubricate the four griding parts of the movable beam and the six parts of the column plug sleeves.

通过对2500吨水压机润滑系统改稀油润滑为锂基润滑脂润滑,加装四台手动干油泵,对活动梁四个导向部位和主柱塞压套六个部位实施油膜润滑的技改实践,使1995年较1994年设备完好率提高1。

The organic layer was evaporated and the residue was redissolved by mobile phase.The concentrations of propofol and lidocaine were assayed on a hypersil BDS C18 column with a mobile phase consisting of acetonitrile-methanol-water(10∶60∶30)(including 0.14%n-butyamine 0.1%acetic acid)at a flow rate of 1 mL*min-1 and detected at 220 nm during 1~7 min and at 273 nm during 7~16 min.

氮气吹干有机层,残留物用流动相重新溶解后,用Hypersil BDS C18柱分析,流动相为乙腈-甲醇-水(10∶60∶30),内含正丁胺0.14%和冰醋酸0.1%,流速为1 mL*min-1,检测波长:1~7 min用220 nm,7~16 min用273 nm。

Methods Firstly, red chilli powder was soaked with organic solvent, then the extract was saponified under different conditions scheduled by temperature, time and solvent content to obtain crude capsanthin which was refined by silica gel chromatography.

方法先用有机溶剂浸提粉碎的干辣椒粉;然后皂化处理浸提物,比较辣椒红色素在不同温度、时间、溶剂浓度下提取的效果;最后用硅胶柱层析进行精制分离。

Methods Firstly, red chilli powder was soaked with organic solvent, then the extract was saponified under different conditions scheduled by temperature, time and solventcontent to obtain crude capsanthin which was refined by silica gel chromatography.

先用有机溶剂浸提粉碎的干辣椒粉;然后皂化处理浸提物,比较辣椒红色素在不同温度、时间、溶剂浓度下提取的效果;最后用硅胶柱层析进行精制分离。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

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