Simultaneous Scan-Selected ion monitoring mode is a new improvement method of data acquisition of gas chromatography mass spectrometry. The determination method of alkaloids in tobacco was established by Scan-SIM of GC/MS. Nicotine, nornicotine, anabasine and anatabine were determined with Scan mode, and myosmine, nicotyrine, 2,3'-Bipyridyl and cotinine were determined with SIM mode.

建立了應(yīng)用氣相色譜-質(zhì)譜全掃描-選擇離子監(jiān)測(cè)數(shù)據(jù)采集方式同時(shí)測(cè)定煙草中8種含量相差較大的生物堿的方法，采用Scan模式分析煙堿免费观看黄色AⅤ片网、降煙堿思思热在线免费视频、新煙堿、去氫新煙堿97国产精品免费视频，同時(shí)采用SIM模式分析麥斯明成年人在线播放、二烯煙堿、2毛片一级A黄色片，3′-聯(lián)吡啶一级黄片一级黄片一级黄片一级黄片一级黄片、可鐵寧。

The company name was selected from an anagram created from the common letters of the first and last names of the original founders.

公司的名字是由最初的幾個(gè)創(chuàng)辦人名字中各抽取一個(gè)字母組成的又黄又湿又刺激一区二区三区，是以簡單免费无遮挡网站、好記、易發(fā)音為原則日韩第一区自拍视频在线观看网站。

Based on the Analytical Hierarchy Process, the optimal treatment processes are selected from the aspects of economy, management and technology.

利用所建立的層次分析模型在线免费aa，從經(jīng)濟(jì)、管理因素和技術(shù)指標(biāo)等多方面户外露出国产一区，確定了適合天津水源條件的較優(yōu)組合工藝国产操逼视频播放，為水處理系統(tǒng)的調(diào)度提供依據(jù)。

On the basis that Panax Tonifying Soup Mix can effectively improve and postpone cytoarchitecture impairment in hepatic and brain tissues in subacute senile mice, in order to approach the dependablity between postponing anaplasia of senile tissue cells and the ability of cleaning oxygen free radicals, lipid peroxidatic conditions, degree of cell injury of the recipe-medicine, serum SOD activity and MDA content were selected as quantitative indexes for objectively evaluating the antioxidation of this recipe-medicine.

在明確人參養(yǎng)榮湯有效改善国产性爱三级免费小视频、延緩D-半乳糖所致亞急性衰老鼠肝国内乱视频在线观看、腦組織與細(xì)胞結(jié)構(gòu)損傷的基礎(chǔ)上，為探討該方藥延緩衰老組織細(xì)胞退行性改變與清除氧自由基能力国产三级电影网站、脂質(zhì)過氧化狀態(tài)黄色视频91在线，細(xì)胞損傷程度的相關(guān)性，選擇血清SOD活性欧美熟女国产一区二区、MDA含量作為定量指標(biāo)日本国产精品VA在线观看，旨在對(duì)該方藥抗氧化作用給予客觀地評(píng)價(jià)。

The nightingale is anciently selected as the highest example of a perfect singer.

夜鶯在古代被選為歌唱家的最高典范欧美日韩一区精品视频在线观看。

The nightingale was anciently selected as the highest example of a perfect singer.

夜鶯在古代被選為歌唱家的最高典范欧美日韩在线观看综合。

Objective To study the effect and safety of propofol and fentanyl used in artificial abortions.Methods 2000 women who desired to terminate pregnancy and operate artificial abortions without pain, were selected to anesthetize with propofol and fentanyl or propofol.

目的 研究丙泊酚復(fù)合芬太尼用于人工流產(chǎn)術(shù)的效果和安全性。

Methods 2000 women who desired to terminate pregnancy and operate artificial abortions without pain, were selected to anesthetize with propofol and fentanyl or propofol. The effect of analgesia and the extension degree of cervix were observed, and the time of anesthesia, the dosage of propofol, the time of operation, the time of patients to come around and leave hospital were recorded.

選擇要求終止妊娠、自愿接受無痛人工流產(chǎn)術(shù)的婦女2 000例自拍偷拍1，應(yīng)用丙泊酚復(fù)合芬太尼或丙泊酚靜脈麻醉人人玩人人摸，觀察鎮(zhèn)痛效果、宮頸松弛程度欧美A片黄片又黑又大岛国黄片又黑又大，記錄術(shù)中出血量日本高清高色视频站、麻醉起效時(shí)間、丙泊酚總劑量国产白白视频在线观看、手術(shù)時(shí)間欧美视频精品二区、蘇醒時(shí)間、離院時(shí)間和人工流產(chǎn)綜合征的發(fā)生情況免费被操视频在线观看。

In this paper, Anethole Trithione was selected as model drug to examine whether using a relative standard substance as a substitute of the real standard substance to evaluate the bioequivalence of different drug preparations was rational and feasible when the real standard substance was out of reach.

本課題選擇茴三硫?yàn)槟Ｐ退幬镅侵扌陨莶伲瑖L試在特殊情況下進(jìn)行新藥研究開發(fā)早期的生物利用度評(píng)價(jià)時(shí)，用相對(duì)對(duì)照品進(jìn)行無對(duì)照品條件下的生物利用度評(píng)價(jià)的合理性和可行性不下载看a人免费大片。

God said, Of all the Angels, I have selected One for you.

上帝說：所有的天使之中人人艹在线视频，我已經(jīng)選擇了一個(gè)給你。