海底

The component and classificatory standard for the index system of submarine pipeline routing risk evaluation are researched.

分析研究了海底管道路由风险评估指标体系的组成及分级标准，建立了基于专家模糊评价的海底管道路由风险定量评估模型，并开发出计算机辅助海底管道路由风险定量评估系统软件及相应的数据库。

Combined with subsea tunnel engineering at eastern route way in Xiamen,the minimum rock covering thickness of subsea tunnel,water pressure design values,section optimization of lining structure and waterproof and drainage project,construction measures throughout bad subsea geology section,such as fault,solution groove,necessity of service tunnel setting were analyzed.

结合厦门东通道海底隧道工程，对海底隧道最小岩石覆盖层厚度、水压力设计值的确定，衬砌结构断面优化与防排水方案，穿越海底不良地质段的施工措施及服务隧道设置的必要性问题进行了分析。

Based on the survey data in recent years, there are five micro-morphological feature parts in the sea bed of Chengdao area, including erosion morphology, sliding extrusion ridge and collapse, remained scarp or monadnock, blocky seafloor, rough and smooth seafloor, etc.

根据多次的调查资料分析，埕岛海域现在的海底上主要存在5种微地貌形态区即冲蚀地貌区、滑动挤压脊和塌陷凹坑地貌区、侵蚀残留岗丘或台地、斑状海底地貌区、粗糙和平滑海底。

Considering the properties of hydrate formation, the designing principle of drilling fluid was provided. Based on this, a new polyalcohol drilling fluid for oceanic hydrate formations was formulated. The performance of this drilling fluid was evaluated by shale hydration inhibiting test, low-temperature rheological property test, and gas hydrate formation inhibiting experiment.

针对海底天然气水合物地层及其钻井的特性，给出了钻进海底天然气水合物地层时钻井液体系的设计原则，根据此原则在充分考虑现有常用聚合醇钻井液体系特点的基础上，设计了一种适合海底天然气水合物地层钻井的新型聚合醇钻井液，并对其页岩水化抑制性、低温流变性和水合物生成抑制性进行了评价。

Based on scene X fluorescence analysis ray fluorescence , X of sea floor , that principle develop survey system can go on normal position survey to the sediment in sea floor, can carry on non- destructive analysing to the sediment of sea floor that is gathered fast on the ship too, mineral products reconnoitre or environment investigate in time submitting necessary information for marine.

基于现场X荧光的分析原理研制的海底X射线荧光探测系统可在海底对沉积物进行原位测定，也可以在船上对采集的海底沉积物进行非破坏性的快速分析，为海洋矿产勘察或环境调查及时提供必要的信息。

The acceleration and sound pressure on the surface of seafloor are obtained.

建立了点声源作用下海底地震波的时域数值计算模型，利用该模型，对二维半无限空间简单海洋模型的低频点声源海底地震波问题进行了数值模拟，得到了海底表面处的加速度和声压值。

So this study can also been used to separate the sandy sediments and the silty sediments.

通过界面散射对不同底质海底影响的研究，也可将砂质海底与泥质海底比较明显地区分开来。

Elsewhere the sea mounts, the hills and mountains that rise up from the ocean floor but do not break the surface, have been ruined by smash-and-grab trawlermen.

在其它地方，从海底升起但没有超出海面的海底山、海丘和海底山脉，已经被打砸抢的拖船渔民破坏。

Japanese scholars of Japan and South Korea proposed a three-tunnel routes, two from Kyushu in Japan through the Tsushima Strait Karatsu Geoje Island, South Korea, one from Japan to Pusan, South Korea Karatsu, submarine length between 128-148 km, than the distance between China and South Korea are also much closer, but still is the famous Anglo-French tunnel four times.

日本学者提出的日韩海底隧道路线有3条，两条从日本九州的唐津市经对马海峡到韩国巨济岛，一条从日本唐津到韩国釜山，海底长度在128公里至148公里之间，比中韩之间的距离也近许多，但仍是著名的英法海底隧道的4倍左右。

The verification of marine gas seeping needs ground truth data, such as the seafloor observation and core sampling.

根据海底渗漏的上述地球物理特征，可以识别出可能渗漏区域，海底渗漏的证实需要用到海底观测和取样分析资料。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。