查询词典 heavy oil

China also lacks natural resources, including iron ore, oil and wood, for heavy industry and for its own rising consumer class.

中国还缺乏包括铁矿石，石油和木材等满足重工业生产和不断增长的居民生活需求的自然资源。

By means of regression of experimental data, the critical parameters and acentric factors of heavy components in crude oil are obtained.

应用Peng-Robinson状态方程代替目前广泛使用的活度系数模型，对原油中沥青质的沉淀点及沉淀量进行了计算。

At night, elder aunt holded my little brother and me in her arms. Uunder a small plastic shed, there was lighted one caliginous coal oil lamp, it seemed that the heavy rain could sweep the small plastic shed at any moment, almost everything would be rent into pieces by the thunderstorm and lightning.

晚上，大姑姑抱着我和弟弟，我们三个人在一个非常非常小的塑料窝棚下面，点着一盏昏暗的煤油灯，大地在不断的颤抖，倾盆大雨随时都能把窝棚冲走，炸雷和刺眼的闪电电几乎要把一切撕得粉碎。

Experimental study on enhanced deaquation process for extra-heavy crude oil using dehydrant ;2. DMF refining by molecular sieve as dehydrant ;3. Hybrid catalysts composed of JC207 methanol synthesized catalyst and dehydrant (HZSM-5 zeolite or γ-Al2O3) were prepared for the synthesis of dimethyl ether.

采用甲醇合成催化剂JC207和固体酸脱水剂(HZSM-5分子筛或γ-Al2O3)混合制得合成二甲醚双功能催化剂，并在固定床反应装置中进行了活性评价，考察了固体酸脱水剂的酸性对一步法合成二甲醚的影响。

First,the content of surfactant should be more than 18 percent and the content of anion surfactant should be kept in proper proportion to the content of nonionic surfactant. Second,the content of zinc naphthenate should be kept in directly proportional to the content of other surfactant. Third,the content of rosin shouldnt too higher and the content of oleic acid should be kept in directly proportional to the content of rosin. Fourth,the content of water should be kept in a low level (less than 8%);otherwise emulsifier oil will delaminate. In addition,the requisite content of sodium heavy alkyl benzene sulfonate is higher than petroleum sulfonate.

试验表明在以松香、重烷磺酸钠、石油磺酸钠为主要乳化剂时，要获得优良的乳化液，需满足以下几个条件：(1)需在乳化油配方中加入适量的乳化剂，且其中阴离子乳化剂总量与非离子乳化剂总量的应保持适当的比例；(2)乳化油中环烷酸锌的量与其它乳化剂总量要保持正比关系；(3)乳化油中松香的量不易过大，且油酸的加入量应与松香量成正比；(4)乳化油中水分含量不易过高(一般不能大于8％)，过高时稳定性不好，易分层。

Hydrocracking tests of Canadian oil sand bitumen, Saudi Arabian heavy vacuum residue and model compound 1 -pheny1 dodecane were carried out in a batch autoclave reactor. The reaction conditions were as follows: pressure 5.0 MPa, temperature 410-430℃, reaction time 0-60 min.

采用间歇式高压釜反应器研究了加拿大油砂沥青和沙特重质减压渣油及其模型化合物十二烷基苯的加氢裂化反应，实验条件为5.0MPa、410—430℃、0-60min。

Pseudocumene, mesitylene, 1,2,3-trimethylbenzene and durene among theheavy aromatic hydrocarbon from catalytic reformation in oil refinery areimportant fine chemical materials, they have not only high additional value butalso particularly useful property, therefore, the exploiting and utilizing the sourceof the heavy aromatic hydrocarbon are of large commercial benefit and promisingapplication future.

炼油厂催化重整装置重芳烃中偏三甲苯、均三甲苯、连三甲苯、均四甲苯等都是精细化工的重要原料，不仅附加价值高，而且具有独特的优良性能。因此开发利用重芳烃资源具有较大的经济价值和广泛的应用前景。

The postoperative complications included moderate high intraocular pressure, temporary inflammatory reaction, lens opacity, fibrocellular membranes proliferation and heavy silicone oil emulsification.

术后主要并发症包括轻至中度的眼压升高、眼前段炎症反应、晶状体混浊、增殖膜形成和硅油乳化等。

We use activated sepiolite to process the absorption experiment on heavy meatal ion ( Ni2+, Cr6+, Pb2+, Cu2+, Cd2+), noble metal ion, dynamite cotnposton in water and industrial oil.

进行了活化后的海泡石对重金属离子Cr~(6+、Pb~(2+)、Cu~(2+)、Cd~(2+)、贵金属离子、水中炸药组份、工业油的吸附实验

The heavy silicone oil Oxane HD is effective and safe to treat complicated retinal detachment, especially with holes located in the inferior and posterior pole.

重硅油Oxane HD作为眼内填充物可以有效安全地治疗复杂性视网膜脱离，尤其是伴下方或后极部裂孔的视网膜脱离。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。