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Plasma levels of diamine oxidase,lactic acid,lipopolysaccharide wer e determined in all subjects preburn and at 30 minutes,3,6,12,24 and 48 hours po stburn,intestinal tissue malondialdehyde and superoxidase dismutase were examined at 48 hours postburn .

分 别于伤前、伤后30分钟及3、6、12、24和48小时测定血浆二胺氧化酶、乳酸、内毒素含量，伤后48小时检测肠组织丙二醛、超氧化物歧化酶含量。

METHODS: 15 g/L silk fibroin solution was made by degumming, salvation and dialysis. Chitosan was dissolved in 2% acetic acid solution to prepare 25 g/L chitosan-acetic acid solution. Two solutions were mixed to prepare six silk fibroin/chitosan solutions, and mass ratio was 10: 0, 5: 5, 4: 6, 3: 7, 2: 8, 0: 10. These solutions were separately sucked in a 24-well plate. Following exhausting gas vacuole at 4 ℃, precooling was performed at -20 ℃ for 12 hours, followed by cryodesiccate for 30 hours.

通过脱胶、溶解、透析这3个主要步骤制成质量浓度为15 g/L的丝素溶液，将壳聚糖溶解在2%的醋酸溶液中制成25 g/L的壳聚糖-乙酸溶液，然后将两者混合，配制成丝素/壳聚糖质量比分别为10∶0，5∶5，4∶6，3∶7，2∶8，0∶10的6种溶液，分别吸入24孔板中，4 ℃排出气泡后，-20 ℃预冷冻12 h，再冷冻干燥30 h。

MethodsTo pre-treat buds at the temperature of 4℃ for different hours,place them on the MS mediums containing different hormones and different concentration of sucrose ,and before culturing the buds at the temperature of 25℃ in the darkness,preculture them at 33℃ for different hours. Record the rate of induction two weeks later.

方法青蒿花药在进行不同时间的低温前处理后，置于含不同激素和蔗糖浓度的MS培养基上，再进行不同时间的高温后处理，然后转入25℃黑暗培养，统计愈伤诱导率。

An interview guide, entitled "Maternal Perception of the Onset of Lactation", was also used to obtain milk secretion data. Results found a mean onset of lactation of 78.2±18.7 hours (range=42 to 121 hours). The prevalence of delayed lactation onset was 43.6%(n=58). Slighly over half of participants (56.9%, n=33) were primiparous. Parity, total second stage of labor duration, duration of second labor stage beyond one hour, and perinea wound pain were the most significant predictors of delayed lactation onset.

研究结果发现：(1)首次泌乳时间的平均值为78.2±18.7小时（范围42至121小时）；(2)产妇自觉延迟泌乳的发生机率为43.6%(n=58)，其中初产妇占56.9%(n=33)，经产妇占43.1%(n=25)；(3)产次、第二产程时间、第二产程时间大於一小时、第一到第三天会阴伤口疼痛分数，是延迟首次泌乳时间的重要预测因子。

MethodsA gradient HPLC system was used in the quantitative analysis of the Danshensu ,protocatechuic aldehyde and salvianolic acid B in 6 hours,and its pH was determined at 25℃for 24 hours.

并在25℃时24 h测定配伍液的pH值。

Methodsa gradient hplc system was used in the quantitative analysis of the danshensu ,protocatechuic aldehyde and salvianolic acid b in 6 hours,and its ph was determined at 25℃for 24 hours.

方法采用高效液相色谱法梯度洗脱测定配伍液中6 h内丹参素、原儿茶醛、丹酚酸b的含量。并在25℃时24 h测定配伍液的ph值。

Daniel Quare patents the repeating mechanism that uses bells to sound quarter hours and the hours.

丹尼尔汉沽专利机制重复使用编钟健全季小时时间。

It is the kindness to take in a stranger when the levee**reak, the selflessness of workers who would rather cut their hours than see a friend lose their job which sees us through our darkest hours.

正是因为人们在大堤崩裂时接纳陌生人的关爱之情，正是因为工人们宁愿减少自己的工时而不愿看到朋友失去工作的无私精神，才使我们度过了最暗淡的时光。

There is no rule as to how long a tourniquet may be safely inflated. The time may vary with the age of the patient and the vascular supply of the extremity. In an average healthy adult under 50 years of age, we prefer to leave the tourniquet inflated for no more than 2 hours. If an operation on the lower extremity takes longer than 2 hours, it is better to finish it as rapidly as possible than to deflate the tourniquet for 10 minutes and then reinflate it.

目前还无法证实止血带使用多长时间是安全的，这个时限可能因患者的年龄及肢体的血供而异。50岁以下的健康成人，我们一般掌握止血带的单次使用时限不超过2小时，如果下肢的手术需要2小时以上时，应设法尽快完成手术，这比松开止血带10分钟后，再次将止血带充气更好。

There is no rule as to how long a tourniquet may be safely inflated. The time may ary with the age of the patient and the ascular supply of the extremity. In an aerage healthy adult under 50 years of age, we prefer to leae the tourniquet inflated for no more than 2 hours. If an operation on the lower extremity takes longer than 2 hours, it is better to finish it as rapidly as possible than to deflate the tourniquet for 10 minutes and then reinflate it.

目前还无法证实止血带使用多长时间是安全的，这个时限可能因患者的年龄及肢体的血供而异。50岁以下的健康**，我们一般掌握止血带的单次使用时限不超过2小时，如果下肢的手术需要2小时以上时，应设法尽快完成手术，这比松开止血带10分钟后，再次将止血带充气更好。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。