常压

Sulfuric acid was sulphonation reagent, add the sulfuric acidquantity was 8%, reaction temperature was 60~65℃.The reaction occursbetween the feed oil and sulfuric acid,then add 30% of sodium hydroxidesolution conducted neutralization in the Pyrex standard react kettle,when the reactionfinished ,draw out the products by funnel,then the products react with 8%clay to refine received the sulphonation refining oil so as to review property andreceive rate of the shallow sulphonation refining oil .By the using the sulphonationrefining oil to blend lubricant,its quality is on-specification .

为验证其可行性，首先在实验室进行浅度磺化小试，原料油采用新疆原油经常压蒸馏、减压蒸馏、溶剂精制、溶剂脱蜡后的减压二、三线脱蜡油，发烟硫酸作为磺化剂，发烟硫酸加入量8%，反应温度60～65℃，用三口圆底耐热玻璃标准反应釜对原料进行发烟硫酸磺化，加入量30%氢氧化钠中和，分液漏斗抽提，在烧杯内加入量8%白土进行精制得到磺化抽余油，考察浅度磺化抽余油性质和收率，用磺化抽余油调合润滑油质量合格。

Some products such as: diisobutyl phthalate, cyclohexylmethyl tridecyl oxalate and 2-isopropylcyclohexanol that have not been reported in the directly oxidation of alkane by traditional method have been obtained, and all the products are used in fuel, leather, textiles, cosmetics and so on.(3) Metal-promoted superacids SO_4~(2-)/SnO_2-M_XO_Y (M= Ce, Co, V, Mo, Ti), which were highly active for this reactions, were investigated in order to improve its acid sites activity, selectivity and stability.

这一在常温常压下以锡系超强酸为催化剂催化氧化碳氢化合(来源：ABCca8cca论文网www.abclunwen.com)物的反应还未见报道：(3)金属改性锡系固体超强酸SO_4~(2-)／SnO_2-M_XO_Y(M=Ce，Co，V，Mo，Ti)在催化氧化反应中表现出很好的催化活性，通过研究表明金属改性剂的加入提高了催化剂酸性，选择性和稳定性；(4)具有光催化活性金属Ti的引入极大的提高了催化剂SO_4~(2-)／SnO_2的比表面积。

The cyclization conditions were optimized with respect to reaction system, time, temperature, catalyst nature and its content, and ZnCl2 is found to be more suitable than other catalysts investigated for the trimerization of aromatic nitriles under normal pressure, and the maximum conversations of terephthalonitrile and 4,4'-dicyanobiphenyl were 82% and 78%, respectively.

优化了反应体系、温度、时间、催化剂种类和含量等工艺条件，结果表明，对于氰基在常压下的环化反应，ZnCl2是较为合适的催化剂，TPH和DCB聚合转化率最高分别可达82%和78%。

This article brings forward the technology and method of extracting xylose from the black corncon by natural zymotechnics and hydrolyzati unden the condition of diluted acid and ordinary pressure.

提出了用自然发酵和稀酸常压水解法从黑玉米芯中提取木糖的工艺和方法，通过红外光谱和紫外光谱确证结构，其产率达到28.65%，并讨论了影响木糖提取率的因素。

Among these three types of water locking damage, the water locking under underpressure condition has the minimal damage, the damage under overpressure condition is relatively maximal, and the damage under normal pressure is relatively medial pressure is relatively medial.

研究表明，低渗透砂岩气藏的水锁伤害具有普遍性和严重性，其中欠压作用下的水锁伤害最小，超压作用下的水锁伤害最大，常压作用下的水锁伤害居中。

The intrapulmonary arteries especially arterioles are more important for vasoconstricting response to hypoxia , but it is very difficulty to isolate them from the lung.

我们以往通过对常压缺氧大鼠模型的肺组织和肺动脉肾上腺素受体(Adrenoceptor，AR)亚型及其基因表达的一系列研究，初步认为AR亚型基因表达变化在低氧性肺动脉高压发病中可能起重要作用。

Achene often large, slightly oblique, often compressed, verrucose; persistent stigma usually reflexed; pedicels simple or swollen.

经常大的瘦果，稍偏斜，通常压扁，多疣；宿存柱头通常反折；花梗容易或者被膨胀。

Achene slightly oblique, often compressed, often large, verrucose, persistent stigma usually reflexed; pedicels simple or swollen, cylindric, not winged.

Achene稍偏斜，通常压扁，经常大，多疣，宿存柱头通常反折；花梗简单或者被膨胀，圆筒状，无翅。

Mozzie buster of the leaves is very large, is a tender green, which grow on long, thin stems, which is about 30 centimeters, about 2 mm thick, leaves a very small, very beautiful, close to the smell is very fragrant, hand - feels very smooth, like a baby's little hands, very cute, you just look at the last touch of your hand will be like perfume, like incense, and it also provides a long green hair, like a dense, long hair quickly, often pressure have thin stems Wanle Yao, every time when my mother to call it cut their hair, Mozzie buster it can not according to the sun, and if the sun shining or not watering, it's life would soon end.

驱蚊草的叶子非常多，是嫩绿色的，它长在长长的、细细的茎上，它长约30厘米，粗约2毫米，叶子很小，非常漂亮，靠近闻起来很香，用手摸起来很光滑，就像婴儿的小手，非常可爱，你只要在上摸一下你的手就会像香水一样香了，它长的又特像密密麻麻的绿色头发，头发长的很快，经常压得细细的茎弯了腰，每当这时妈妈就给它修剪头发，驱蚊草它不可以照阳光，要是照着阳光或没有浇水，它的生命很快就会结束。

The porosity of the aerogel films is 56%, 16% higher than that of the xerogel films when dried at 120℃.

研究结果表明，常压干燥制备的薄膜孔隙率达到了56%，比干凝胶薄膜提高了16%，而且比容量达到530mAh/g左右，比干凝胶薄膜提高了33%，可逆性也得到了改善。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。