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The reduction of k-inf value are much little with the addition of Pa-231.
The k-inf value reduction of the cell of the fuel caused by many neutron absorbed by Pa-231.
From characteristic data of Pa-231, its cross section capture was about 200 barn.
From resulted data, could be concluded that addition of Pa-231 significantly reduce excess reactivity and also increase sustainability.
Tsuchihashi, in: SRAC95; General Purpose Neutronics Code System, JAERI-Data/Code 96-015, Japan Atomic Energy Research Institute, Japan (2005) [6] Nuri Trianti, Zaki Su’ud, Eka Sapta Riyana, Design Study of Thorium Cycle Based Long Life Modular Boiling Water Reactors, Indonesian Journal of Physics Vol. 22 No. 4, p. 133-137, (2012)

The carbonation depth data (d) depending on time of exposure to CO2 (t) were used to calculate the carbonation coefficient (K) of each mix proportions, according to Eq. 3 proposals for situations of carbonation under humidity stable condition, based on Fick’s second law [3-5, 7-9].
It is possible to see a large reduction in its percentage when the proportion of water decrease in the mixture.
Only in the 0.48 w/c ratio, was possible to notice a porosity reduction over time.
Days of carbonation Carbonation (mm) w/c 0.48 w/c 0.60 w/c 0.70 w/c 0.75 0 0.00 0.00 0.00 0..00 7 0.30 1.63 2.85 3.68 14 0.52 3.75 4.69 5.80 28 1.81 4.94 7.64 9.34 56 2.76 6.13 9.89 13.38 84 2.88 7.48 12.12 17.08 From the data in Table 1, and based on the mathematical model to predict the carbonation progress shown in Eq. 3, a function was set for each one of the sets of values obtained using the software LAB Fit®.
In addition to the constant K, the software also calculates the model determination coefficient (r²), which indicates how well the sample regression fits to the data.

Box 4200, FI-90014 University of Oulu, Finland aantti.jarvenpaa@oulu.fi, bjanne.lamsa@oulu.fi, cmikko.hietala@oulu.fi, dkari.mantyjarvi@oulu.fi Keywords: sandwich board, light structures, stiffness, weight reduction Abstract.
Panels can be used for efficient weight reduction, but they also have other benefits such as thermal efficiency, fatigue resistance, acoustic isolation and good energy absorption during impact loading [1,2,3,4].
Force and displacement sensors were used for data acquisition.
Discussion and summary Stainless and common carbon steel panels were manufactured and mechanically tested to determine their suitability for weight reduction in load carrying structures.

The reduction peaks can be observed for O-H, C=O, S=O, and S-O groups.
The peak intensity reduction occurred because the IR absorption band related to the SO3H molecule was reduced.
The reduction of these elements (wt. %) were observed when higher temperature applied for longan fruit peel carbon preparation which reflect peaks intensity reduction of LCS-500-1 and LCS-500-2 [12].
The esterification reaction was conducted to ensure the validity of the data obtained.
Referring to Hassan et al. [8], the reduction of acidity led to a decrease in EL yield.

This paper makes some analysis and discussion according to the V.A.SuLin’s theory using the data of some oilfield water samples.
Table 1 SuLin’s theory standard of oilfield water equivalent ratio cause coefficient water type environmental characteristics NaHCO3 reduction oxidation, mostly wet freshwater lacustrine sedimentary facies, good sign of oil gas, pH> 8, alkaline water.
CaCl2 closed reduction type, completely closed deep geological environment, a sign for good oil and gas, alternative groundwater and surface completely isolated without water.
Application and Analysis Select 6 water samples from Qianshan Archaeozoic reservoir as the test data to make application and analysis with the SuLin’s theory.
Data of number 1 to 5 comes from the same well and number 6 comes from another one.

The measurement method is simple and convenient, has strong adaptability, no risk, the data is stability, the results are clear.
The emission reduction of CO2 has a long way to go [1-3].
Carbon capture and sequestration technology is the important way to realize carbon emission reduction [4-5].
This device can measure the flow of carbon dioxide absorbed by carbon dioxide absorbent, provide effective data for the experiment
This device has many advantages such as measurement convenient, simple operation, strong adaptability, no risk, the data stability properties which provides some reference for carbon dioxide emissions absorption.

The head of dam: according to the real condition of river improvement in the lower yellow river, taking the water erosion which is around the head of dam into account, some deep drawn in the head of dam will be intensified, combined with previous statistical data of the head of spur dike, the greatest depth of scour hole should be 20m.
Strength reduction method.
It is the third definition of slope stability safety coefficient which is based on the concept of strength reduction[8].
The basic principles of strength reduction is that the strength of the material parameters, c, tanφ', are divided by a reduction coefficient, F and get a new group of c', φ',and then take them into the calculation as new material parameters, through the ever-increasing reduction coefficient, F, and repeated analysis on the subject of study until get the critical condition, and now the reduction coefficient have the same concept of the safety coefficient, Fs.
Assuming soil shear strengths of side slope are all the same, shear strength reduction coefficient can be defined as stability safety coefficient of slope, and the safety coefficient can be considered as reserve strength coefficient of safety.

It provides lower rolling force and high reduction of metals, and better crystallographic textures can be obtained.
With an increase of reduction, the strip profile varies from middle waves to edge waves.
When the reduction is 20%, a better strip shape can be obtained.
The strip shape also increases with an increase of reduction.
A Pentium III computer is used for data collection by using Lab Window Software in the experiment.

Rhenium was introduced into molybdenum during a process of the reduction of ammonium perrhenate mixture with Mo powder.
Quantitative phase composition was determined by Rietveld refinement of data in SiroQuant® V3.0 software.
The result of the reduction of the NH4ReO4 and Mo mixture was a fine powder with oval grains.
Powders after reduction and annealing preserve their oval shape, which is an advantage in the plasma spraying process.
X-ray diffraction patterns of Mo85Re15 powders (after reduction and annealing) and plasma sprayed coatings.

The strips were cold rolled to the reduction of 20%, 40% and 60%.
They were cold rolled to the reduction of 40% one more time.
In order to study the influence of final aging on the mechanical properties of the alloy, the result data of samples denoted "Pre-aging" and "Double aging" in Fig. 2 were compared.
It can be seen that by increasing the reduction in area the yield and ultimate strength of materials first increase and then decrease.
Therefore, grain growth is more possible for large reduction in area especially the samples undergone to 60% of cold working.