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Chapter and Conference Paper
Discussion on Well Sealing Technology for Abandoned Sidetracking Wells in Buried Hill Gas Injection Gravity Drive
Some of the buried hill gas injection blocks in Huabei Oilfield were used for water injection development sidetracking in the early stages. The original vertical well bore was not sealed, which was sidetrackin...
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Chapter and Conference Paper
Challenges and Solutions of Drilling of Geothermal Well RDR5-1
Well RDR5-1 is the first geothermal well drilled by PetroChina in the **ong'an New District. Its target of buried dolomite formation is well developed with fractures, leading to serious lost circulation. Sever...
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Article
Scattering Versus Blowup Beyond the Mass-Energy Threshold for the Davey-Stewartson Equation in ℝ3
We study the Cauchy problem for the Davey-Stewartson equation $${\rm{i}}{\partial _t}u + \Delta u + {\left| u \right|^2}u + {E_1}({\left| u \r...
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Article
pH-responsive lyotropic liquid crystals for the preparation of pure cubic zirconia nanoparticles
We present a lyotropic liquid crystal system consisting of SDS/Triton X-100/water at 25 °C. This system is respond to pH variations with a phase switch. When pH is altered from alkaline (pH 13) to acidic (pH 2...
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Chapter and Conference Paper
Research of Implementation Mode of Strategic Management Accounting
The more intense market competition, the more we need strategic management accounting. Traditional management accounting focuses on how to make its own management more scientifically sound, rarely pay attentio...
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Chapter and Conference Paper
Evaluation of Financial Performance on Oil Industry Central Enterprises Based on Principal Component Factor Analysis
The three major oil central enterprises of China are elected in FORTUNE 500. Their rankings are respectively 5th, 6th and 101st in 2012. However, ranking in FORTUNE 500 is based on only one indicator, which is...
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Chapter and Conference Paper
Research on Implementation Model of Enterprises Risk Management
Risks bring about opportunities as well as challenges to the enterprises. If corporations expect to achieve the fixed goal,they have to maximize the effectiveness of assets, and minimize risks at the same time...
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Article
Open AccessThe paradoxical patterns of expression of indoleamine 2,3-dioxygenase in colon cancer
One of the putative mechanisms of tumor immune escape is based on the hypothesis that carcinomas actively create an immunosuppressed state via the expression of indoleamine 2,3-dioxygenase (IDO), both in the c...
