测定时间

The volatilization of mould powder concludes the evaporation of alkali oxides besides the evaporable fluoride created between the fluorine and acid and alkali oxides. The results of CaO-SiO〓-Na〓O ternary fluorine free slag are: there is a strong relationship between volatilization of Na〓O and basicity R.

对CaO-SiO〓-Na〓O三元无氟渣系的测定结果表明，渣中Na〓O的挥发与碱度R有很大关系，当R＜1时，单位时间内其挥发百分率是恒定的，且受温度的影响不大；当R＞1时，单位时间内的挥发百分率将随其含量的增加而增加。

A new microwave heating extraction method replacing the conventional circumfluence is described, the flavonoids in flammulated coat onion samples has been determined with the use of spectrophotometry.

利用微波加热溶出代替常规回流提取方法，对红皮洋葱样品中黄酮类化合物进行了微波溶出—分光光度法测定，与常规方法做了对照，并讨论了微波功率、微波时间、浸提剂浓度、料液比等因素对溶出结果的影响，通过正交试验，确定了最佳工艺条件为：微波功率900W，微波提取时间5min，提取溶剂80%乙醇，料液比为1∶10。

The results showed that noradrenaline, dopamine, homovanillic acid,5 hydroxytryptamine (5 HT) and 5 hydroxyindole 3 acetic acid (5 HIAA) in pallium, striatum, hypothalamus of stressed rats were decreased by piracetam ( 100 mg/kg ; 200 mg/kg )to different degrees and formed a certain relation of amount effect.

对于老年性痴呆、酒精中毒、电休克引起的记忆缺损，儿童智力低下以及脑外伤或手术后意识障碍等均有明显改善和恢复作用。关于吡拉西坦对脑内NE、DA、5 HT等水平的影响因不同剂量、用药时间、以及在给药后不同时间测定递质水平等都会取得不同结果[4～ 6] 。

Methods Eighty ASA physical status Ⅰand Ⅱpatients 18~65 years of age, scheduled for URL, were randomized into group CSEA(n=40) and group EA (n=40).Pinprick method was employed to determine anesthesia level, and local anesthetic dosage, onset time, time to attain optimal anesthesia level and anesthesia effect were recorded. Hypotension, shiver, postoperative headache and lumbodorsal pain were observed.

选择ASAⅠⅡ级、年龄18岁～65岁拟行尿道输尿管镜下碎石术的患者80例，随机分为腰麻—硬膜外联合麻醉和硬膜外麻醉两组；每组40例，采用针刺法测定麻醉平面，观察两组病例用药量、起效时间，上升到各个麻醉平面上界的时间及麻醉效果；术中患者出现低血压、寒战、术后头痛、腰背痛发生率。

The optimized analytical conditions were as follows: discharge voltage of 1 100 V, discharge current of 50 mA, preburn time of 45 s and integration time of 10 s.

以铁为内标元素，优化分析条件为放电电压1100V，放电电流50 mA，预溅射时间45 s，积分时间10 s，建立直流辉光放电光谱法测定硅钢中11种元素的定量分析方法。

The results indicated that ultra-low nitrogen (0.001 0%-0.008 0%, w/%) in low alloy steel could be determined accurately under such optimized analytical conditions as follow: the addition of deoxidizing agent was less than 0.35%, multi-head milling cutter should be chosen and the milling depth was 1.4 mm while sampling, the mass percentage of argon was no less than 99.999 5%, the washing time was set as 8 s, the precombustion time was set as 3. 3 s and energetic precombustion energetic measure optical source mode is adopted.

结果表明，取样时控制脱氧剂加入量不超过0.35%且选用多刀头铣刀盘，铣样深度为1.4 mm；在氩气的质量分数不小于99.999 5%，冲洗时间为8 s，预燃时间为3.3 s，采用高能预燃高能测量光源方式等优化的分析条件下，可有效测定低合金成品钢中质量分数为0.001 0%~0.008 0%的超低氮。

The fireproof performance of wood panels of birch,poplar,shorea spp,pao rosa and sapele which were coated with ZPC60-1 decorative fireproof coating were tested according to ISO5660 standard,in terms of its fire resistant time, time to ignition and heat release rate by use of cone calorimeter and horizontal-vertical combustion analyzer.

利用锥形量热仪和水平垂直燃烧测定仪，按照ISO5660标准，对用ZPC60-1饰面型防火涂料处理过的白桦、杨木、柳安、檀木、沙比例的耐燃时间、点燃时间、热释放速率进行了测量。

Added quantity of accelerator will affect coagulating time that. Please test coagulating time before using it.

促进剂的添加量将影响树脂的固化时间，请客户使用前测定凝胶时间。

Methods: CHD celerity arrhythmia rabbit models established by high fat and mainlining adrenalin were divided randomly into model group, recuperating-heart granule treat group, recuperating-heart granule prevention group, Amiodarone treat group. Other 7 natural rabbits were comparison group. Then observe the appearing and resuming time and the effects of Na(superscript +)-K(superscript +)ATP ase activity by the way of spectrophotometric method.

用高脂饮食喂养并结合静脉注射肾上腺素复制冠心病快速性心律失常模型，并随机分为模型对照组、养心颗粒治疗组、养心颗粒防治组、胺碘酮治疗组，并另取7只作为空白对照组，观察并比较各组心律失常的出现时间和持续时间，并采用分光光度法测定各组家兔心肌Na-K-ATP酶活性。

Using mice, Guinea pig and SD rats, models of hypoxia, cerebral infarction, cardiac infarction and blood circulation stagnation are induced, analyse the mice' life in obturating condition; measure the renewals of mice with hemiplegia; analyse Guinea pig' cardiograph at vary time; analyse the variation of the swing of S-T and T wave ; measure the index o...

选用小鼠，豚鼠，SD大鼠分别复制缺氧、脑梗塞、心肌梗塞及&血瘀&模型，记录比较小鼠在密闭环境中的存活时间，测量小鼠偏瘫恢复数，记录豚鼠不同时间心电图，比较给药前后心电图ST段和T波振幅变化的差异，测定血液流变学指标。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。