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It is show that the suitable conditions are as following:the reaction temperature is 80～8℃; the heating time is ～0 min; the mass fraction of the abluent is 7%～0

果表明，在适宜的温度(80~8℃)、适当的加热时间(~0 min)、清洗剂质量分数为7%~0%和剂砂体积比为∶的条件下，YSFL-油砂清洗剂可以将油砂矿中油与砂较好的分离。

Methods Protein in blood and urine was precipitated directly by acetonitrile with acetanilide was used as the internal standard using Agilent Zorbax SB-Aq column (250 mm×4.6 mm, 5 μm). The mixed solvents of water (triethylamine 0.12%, acetic acid 0.12%) and acetonitrile were used as the mobile phase to separate cephalosporins using gradient elution method at 1 mL/min and 254 nm.

以乙酰苯胺为内标，血液和尿液用乙腈直接沉淀蛋白，采用Agilent Zorbax SB-Aq(250 mm×4.6 mm， 5 μm)色谱柱，流动相选用水（含0.12%三乙胺和0.12%乙酸）和乙腈的混合溶剂梯度洗脱，流速1 mL/min，检测波长254 nm。

Acetonitrile (85∶15) as mobile phase. The flow rate was 1.0 mL/min and the detection wavelength 316 nm.

乙腈（体积比85∶15）为流动相，流速1.0 mL/min，检测波长为316 nm。

The mobile phase was a mixture of acetonitrile 0.378 mol/L acetum (30∶70) and in a flow rate of 0.8 mL/min; The detective wavelength was 321 nm; Column temperature was room temperature and the injection quantity was 10 μ L.

色谱柱 Lichrospher C 18 (4.6 mm ×250 mm，5 μm)，C 18 保护柱；流动相：乙腈 0.378 mol/L冰醋酸水溶液(30∶70)；检测波长321 nm；流速0.8 mL/min；柱温：室温；进样量10 μL。

The effect of different calcium chloride concentration, reaction time and neutralized acid on yield of tagatose was investigated by single factor tests. Results showed that the condition, such as calcium chloride (0.01～0.03 mol/L), reaction time(20～40 min), acetum, carbon dioxide, phosphate acid to synthesize tagatose was suitable.

通过单因素实验，确定了以D-半乳糖为原料进行化学法合成D-塔格糖的工艺条件为：CaCl2的添加量在0.01～0.03 mol/L，反应时间在20～40 min，并用醋酸、CO2、磷酸中和时D-塔格糖产率较高。

Through the orthogonal experiment, the optimum condition for tagatose synthesization was determined to be 0.02 mol/L calcium chloride, 30 min, acetum neutralization.

通过正交设计实验优化反应条件，最终确定以0.02 mol/L的CaCl2为催化剂，反应时间30 min，用醋酸中和金属氢氧化物D-塔格糖复合物时，D-塔格糖的产率最高，可达到49.05%。

The fibers are easily broken when the temperature is too low or the drawing velocity is too high, with optimum temperatures and drawing velocities above 60℃ and between 200 and 500mm/min respectively. The drawing of PAN fibers in water is better than in air because it gives larger elongations without fracture.

所以在牵伸过程中，水温不能低于60℃，牵伸速率要适中，在本实验条件下，200mm/min、500mm/min比较合适，而且在水中牵伸比在空气中牵伸效果好，可获得较大的牵伸率。

Tomato seeds were firstly immersed in 0.1% mercuric chloride for 10 to 15 min with shaking and then rinsed four or five times with sterile distilled water.

另将番茄种子浸于75%酒精1~2 min，弃酒精后加入足量的0.1%升汞溶液充分振荡10~15 min，再以灭菌水充分漂洗种子4~5次。

The temperature of drift tube was 40℃, flow rate of N2-1.5mL/min.

色谱条件为：色谱柱(APS-2HYPERSIL， 4.6 mmID×250 mm， 5μm)；流动相为V：V＝80：20；柱温为室温；流速0.8 mL/min；进样量5μL；ELSD的漂移管温度40℃，氮气流速1.5 mL/min。

An optimal hydrolysis condition was achieved with the enzyme load of 5% of corn silk at (50℃) in water for 170 min.

结果表明，上述方法进行玉米须多糖提取的适宜条件是：纤维素酶用量5%，酶解温度50℃，水浴振荡170 min；再经超声处理5 min后，总糖得率可提高35.52%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。