二层的

First, the speed of the reaction between mud acid and rock is very fast, the effective distance of acid is short, active acid can not reach deep formation.

首先，高温下常规土酸与地层矿物反应速度极快，酸液有效作用距离短，活性酸不能到达地层深部；其次，HF与铝硅酸盐的化学反应不是简单的一次反应，其副产物氟硅酸和氟铝化物还可与铝硅酸盐发生二次反应和三次反应，形成一系列不溶性的沉淀物，对储层造成严重伤害；第三，高温情况下酸液对井下管柱及工具腐蚀性很强，对缓蚀剂性能要求高。

In this paper, adipate -intercalated LDHs were prepared by direct anion exchange method,acidic one step synthesis method and alkaline one step synthesis method,and were characterized by XRD and IR.

采用阴离子直接交换法、酸性和碱性条件下原位一步合成法分别制备了Mg2Al-己二酸根插层水滑石，用XRD、IR对合成的样品进行了组成和结构表征，DTA结合不同温度下焙烧样品的XRD和IR分析研究了样品的热分解过程。

In this paper,the drag-reducing surfactant solution flows in a fully developed turbulent channel flow have been analyzed experimentally using Phase Doppler Anemometry and thermocouples in order to study the temperature fluctuations and heat transfer characteristics on the drag-reducing and heat transfer reduction phenomena of the surfactant solution flows.

该文针对在水中添加阳离子表面活性剂产生的减阻作用同时降低传热性能的现象，应用相位多普勒激光测量系统和热电偶温度测量系统对二维流道内表面活性剂减阻流体热边界层内的湍流温度脉动以及传热特性进行了实验研究。

First, ice cream is frozen in serving-sized rounds, then dressed in a warm overcoat of crushed cereal and refrozen in its coating.

首先，在成品大小的圆形容器中把冰淇淋冷冻好，然后在外面浇上一层温热的碎麦片，再进行二次冰冻，把外皮冻住。

First, ice cream is frozen in serving-sized rounds, then dressed in a warm overcoat of crushed cereal and refrozen in its coating.

首先，在成品大小的圆描画器中把冰淇淋冷冻好，然后在外面浇上一层温热的碎麦片，再停止二次冰冻，把外皮冻住。

It contains two meanings: First, refer to "remember to stay in the wood track printed on the stone"; the second is "the traces of wood and stone", also can be extended to "see wood painting wood, stone painting, see Stone", it is painted as recorded in the exchange of objects as tools.

它包含有两层含义：一是指&留记在木头石头上的迹印&；二是&木石之痕迹&，也可引申为&见木画木，见石画石&，也就是以画物像作为记载交流的工具。

However be close to 20 years of science research and atmosphereses to prognosticate to discover:Annually spring South Pole ozone layer within atmosphere always at become thin, in fact exist an ozone" hole" in very atmosphere This kind of ozone exhaust the phenomenon is a kind of abnormal phenomenon, whether this expresses that this ultraviolet ray absorbs the layer or not is being placed in the global disaster?

然而近二十年的科学研究和大气观测发现：每年春季南极大气中的臭氧层一直在变薄，事实上在极地大气中存在一个臭氧&洞&这种臭氧损耗现象是一种反常现象，这是否表明这一紫外线吸收层正处于全球性灾难呢？

Optimization technology was acetidin: N-hexane (3:7) as low-pole solvent system, methanol: dichloromethane (1:9) as polar solvent system, 20% glycerol filter paper as moisturizer, 14 h age Bacillus subtilis as indicating strain seed on thin layer plate cultivated for 14~18 h, 1% TTC staining time 1~2 h, bacterial mix method suitable to 0.2%~0.6% agar semisolid bouillon culture-medium, bacterial spread method suitable to 1% agar semisolid bouillon culture-medium.

结果：该方法展开系统筛选简单，抑菌斑位置准确、斑点清晰，其优化条件为：以乙酸乙酯：正己烷(3：7)为弱极性展开系统，甲醇：二氯甲烷(1：9)为强极性展开系统，用20%甘油滤纸对湿室保湿，以14h菌龄的枯草芽孢杆菌为指示菌种子液，自显影薄层板36℃培养14~18h，1%TTC显色时间为1~2h，含0.2%~0.6%琼脂的半固体肉汤培养基应使用混菌法生物自显影，含1%琼脂半固体肉汤培养基应使用涂布法生物自显影。

The reaction was stirred for the given time (the reaction was followed by TLC) after which the methanol was removed and the residual ionic liquid was extracted with diethyl ether (3 15 mL).

反应搅拌为在给定的时间（反应，其次是薄层色谱法）后，其中甲醇被删除，剩余的离子液体中提取二乙酯基醚。

Along the winding mountain roads and on to the Peak, but see the deep green walls,diao liang hua dong ,hong zhu cornices, unique.qian dian the existing temple, the three permitted all three, the Temple Guardian Temple 1, Wan-dong and Shanmen, 2, Monk kilnsmu ta , Ling Yin ruins, such as three-ko.qian dian face south, the temple is located in the middle axis,dian qian Two monument erected the temple, built in the Qianlong sixteen years; Temple Guardian Templeqian dian house is located right in the middle of the permittedhou dian for the million, Inner Temple wall is complete, with high art, painting of the Heavenly Kings, like the Queen Mother, Monju, Fugen, as are 1.57 meters high, the proportion of moderate and natural, beautiful color and good facilities, rather than fine lines tangled complex, rigorous and lively layout;"Tang learn" vividly comic, realistic characters, new colors, easily sketched, are up-hing sent far-reaching effect of memorable art.

沿山路蜿蜒而上至山顶，但见红墙碧树深处，雕梁画栋，飞檐红柱，别具特色。寺院现存前殿、三佛殿各三间，韦驮殿一间，万宝洞及山门、二门、僧窑、墓塔、灵寅三层阁等遗迹。前殿面南，位于寺院中轴线正中，殿前竖庙碑二通，建于乾隆十六年；韦驮殿位于前殿屋后正中，后殿为万佛殿，内殿壁面十分完整，具有较高的艺术性，彩绘的天王像、王母像、文殊、普贤像均高1.57米，比例适中而自然，施彩艳丽而不俗，线条繁细而不紊，布局严谨而生动；&唐僧取经&连环画生动形象，人物逼真，色彩新颖，勾勒自如，均达到兴寄深远，回味无穷的艺术效果。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐