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The impacts of hot water pretreatment of eucalyptus chips on eucalyptus hemicelluloses pre-extraction and following alkaline pulping were studied.

摘 要：研究了 150℃和 160℃下 4 种反应时间桉木片热水预处理对半纤维素预提取及后续烧碱-蒽醌法和硫酸盐法制浆的影响。

Four pre-extraction conditions under 150℃ and 160℃ were adopted to investigate the influences on hydrolysis and pretreated chips' composition.

结果表明，热水预处理对半纤维素水解糖提取效果显著，戊聚糖提取率在 27%~43%。

Methods: We optimized the selection of blood collection tubes, the serum samples collection, conservation condition, pre-extraction procedure, standard protein and peptides chosen and MALDI-TOF MS reference parameters setting.

通过对血清样品采集、保存条件的优化，标准蛋白质的选择，样品的前处理和上样分析等多种条件的优化，确定各个相关参数的选择。

State Key Lab of Pulp and Paper Engineering,South China University of Technology,Guangzhou,Guangdong Province,510640) The fcasibility of determining the pentosan in pre-extraction liquor from eucalyptus chips by using Douglas colorimetric method was discussed in this paper.

探讨了Douglas 比色法用于测定桉木半纤维素预提取液中戊聚糖的可行性，通过对木糖、葡萄糖、甘露糖、半乳糖和木素在相同条件下显色反应后的谱图进行比较，证明利用553 nm处的最大吸收进行测定可以排除己糖和木素的干扰。

Bearing a basket full of fresh fruits, Tzu Chi volunteers visit this peripheral blood stem cells donor. Family members can rest assured, because from pre-extraction to post-extraction, volunteers are with the donors each step of the way. A traditional herbal tonic soup is even included on the menu, to improve the patients' health.

带上营养品和新鲜的水果，志工们拜访这位捐赠周边血的替代役男，而家属能够安心都是因为捐赠前到捐赠后的关怀；志工都无微不至的陪伴在侧，甚至带来炖煮的大补汤，要帮捐髓者补身体。

The results showed that,by using G-ECBM technology,coalbed methane recovery ratio can be enhanced substantially,and the time for coalbed methane pre-extraction can be shortened thus improving the efficiency of coal mining.

研究结果表明采用地面混合气体驱替煤层气技术可以大幅提高煤层气采收率、缩短煤层瓦斯预抽时间、提高采煤效率

The results showed that the yield of pentose in pre-extraction is 27%~43%,which indicates that hot water pretreatment is effective for extracting hemicelluloses hydrolytic sugars.

木片经热水预处理后，碱法制浆性能提高，易成浆，可降低用碱量，缩短蒸煮保温时间，而且与原木片碱法制浆相比，相近蒸煮条件下浆料卡伯值下降 7~10 个百分点，浆料己烯糖醛酸含量下降 75%~95%，原浆白度升高 4~6 个百分点，黏度有小幅度降低，得率下降 1.5~4.5 个百分点。

Determination of Tyrosine in Urine Spectrophotometric Method;2. For chemical pre-extraction, MSTFA/TMSL derivatization reaction, GC/MS analysis, it is confirmed that two main metabolites (19-no-randrosterone and 19-noretiocholanolone) were found in nandrolone urine.

本文对合成的19-去甲雄烷醇酮的四个差向异构体混合物进行气相色谱分离，对诺龙和炔诺酮用药后，留取的人尿样通过化学预处理，MSTFA/TMSI衍生化反应，GC/MS分析，确证了尿样中诺龙的两个主要代谢产物为19-去甲雄酮和19-去甲原胆烷醇酮，炔诺酮的两个主要代谢物是四氢炔诺酮的两个形式，可能是3α-OH-5α-THINE和3α-OH-5β-THINE，在炔诺酮代谢前期，还发现有诺龙的上述两个代谢物存在。

Jilin Jibang Hongdetang Pharmaceutical Co., Ltd covers a construction area of 41,239.5 square meters and at present, an over 10,000 square meters' GMP clean factory workshop has been established, including pre-treatment extraction workshop and solid preparation workshop; the comprehensive office building is over 2,400 square meters, and the warehouse and power station is over 2,000 square meters, which can produce traditional Chinese medicine tablets ready for decoction, tablet, capsule granule, pelletized granule, and cleaning solution and so on.

吉林济邦洪德堂制药有限公司建设用地41239.5平方米，目前建成GMP的洁净厂房10000余平方米，包括前处理提取车间和固体制剂车间；综合办公楼2400余平方米，仓库及动力站2000余平方米，能生产中药饮片、片剂、胶囊剂、颗粒剂、洗液等。

Because in the film, Pauls identity is a person, he is the pre-war environment in which the relative comfort of the British society, his hatred of hardship Eros emotional factors are also common.

因为在这部影片中，Paul的身份是一个普通人，他所处的环境是战前相对安逸的英国社会，他的爱欲憎恨困苦也是普通的情感因素。

This was not understood at the time, and therefore went unaddressed, until ascension became so distorted that we chose to stop ascending and wait for a time when all records would be revealed.

这在当时没有被了解，因此进行着无改编，直到提升变得如此扭曲，我们选择去停止提升并等待所有记录能被揭示的那一天。

The attack＇s nuisance value is increased because mobile phone networks also send notifications of new voicemail by sms,so an attacked phone may stop advising of new voice messages too,it warned.

它警告：这种攻击的危害增长是因为移动电话网络也会通过短信发送新语音邮件的通知。所以受到攻击的手机可也以停止新的语音信息的提示。