121 results about "Slow Growing" patented technology

Improved methods for treatment of cancer which involve the targeting of slow-growing, relatively mutationally-spared cancer stem line are provided. These methods are an improvement over previous cancer therapeutic methods because they provide for very early cancer treatment and reduce the likelihood of clinical relapse after treatment.

Improved methods for treatment of cancer which involve the targeting of slow-growing, relatively mutationally-spared cancer stem line are provided. These methods are an improvement over previous cancer therapeutic methods because they provide for very early cancer treatment and reduce the likelihood of clinical relapse after treatment.

Improved methods for treatment of cancer which involve the targeting of slow-growing, relatively mutationally-spared cancer stem line are provided. These methods are an improvement over previous cancer therapeutic methods because they provide for very early cancer treatment and reduce the likelihood of clinical relapse after treatment.

Improved methods for treatment of cancer which involve the targeting of slow-growing, relatively mutationally-spared cancer stem line are provided. These methods are an improvement over previous cancer therapeutic methods because they provide for very early cancer treatment and reduce the likelihood of clinical relapse after treatment.

The invention discloses a method for tissue culture method of huperizia serrata. The method comprises the following steps of: selecting an explant; killing surface bacteria; performing inoculation and cultivation; killing endophyte; performing propagation cultivation; and performing rooting cultivation. The huperizia serrata is a precious medicinal pteridophyte which has a tough requirement on a habitat, grows slowly under a natural condition and has a long production period. In a conventional method, propagation coefficient and biomass are low and requirements on medicament production cannot be met. Due to the adoption of the method, the differentiation rate of a huperizia serrata test tube plantlet is up to 90 percent, monthly multiplication multiple is up to 2.1 to 3.5, rooting rate is up to 100 percent, a root system grows quickly, root number is up to 1.6 to 3.4 per plant, a regeneration seedling grows healthily and the root system is developed. The method has the advantages of effectively restraining the pollution and browning of a huperizia serrata explant, promoting the survival and growth of the explant and providing important technical support for the realization of manual mass planting of the huperizia serrata along with simpleness, convenience, practicability, high efficiency and low cost.

The invention discloses a method for transforming the artificial young forest of western Sichuan subalpine low-efficiency picea asperata. On the cutover land of a western Sichuan subalpine forest region, a large area of artificial pure forest mainly comprising picea asperata is built, however, because nurturing measures are ineffective and shrub and broad-leaf pioneer tree species intrude into the artificial young forest, dense shrubs, poorer ventilation and insufficient illumination in the forest are caused to result in the conditions of high death rate, slow growth and difficult forest stand updating of trees of the artificial young forest. According to the invention, by adoption of the technical means of thinning, light-transmitting nurturing, pruning, removal of weeds and shrubs in the range being 0.5m beyond the crown projection of target tree species, after-culture of four-year-old seedlings of the picea asperata, nursery stock nurturing, forest stand management and the like, the forest stand structure, species composition and forest stand site conditions are improved, and the survival and growth of the trees are promoted obviously. The method disclosed by the invention has the advantage of improving the forest stand quality and economic benefits of the artificial young forest of the low-efficiency picea asperata and is likely to have a broad application prospect in the transformation of the western Sichuan subalpine low-efficiency artificial young forest.

The invention relates to a chemical enhanced phytoremediation method of polycyclic aromatic hydrocarbon-cadmium pollution soil, belonging to the field of soil pollution regulation; the method comprises the following steps: (A) the content of cadmium, polycyclic aromatic hydrocarbon, phenanthrene and pyrene in the soil is measured, and willow sowing is carried out; (B) chemical enhancer constitutedby ethyl lactate and ethylene diamine tetraacetic acid is added after the willow is sewed for four months. The willow is golden silk willow J1022, and the planting density of the willow is respectively 4-6 per square meter in the soil which has 5mg phenanthrene, 50mg pyrene and 6mg cadmium in one kilogram. The method avoids the disadvantages of short and small plant, slow growing speed, and low living weight at the upper part of the soil in the phytoremediation, reduces the environment risk of heavy metal cadmium in the plant extraction soil remediation; the adding of the chemical enhancer improves the remediation efficiency that an organic ligand is singly used as chelating solvent extraction agent to remediate the heavy metal, and the remediation effect of polycyclic aromatic hydrocarbon of organic pollutants in the soil is enhanced at the same time, and the remediation of cadmium and polycyclic aromatic hydrocarbon combined pollution in the soil is realized at the same time.

The invention relates to a method for realizing synchronous denitrification in a membrane bioreactor, which belongs to the technical field of biological wastewater treatment. In the method, high ammonia nitrogen ratio wastewater or low carbon nitrogen ratio wastewater is used as a treatment object, slow-growing anaerobic ammonium oxidation (anammox) bacteria are cultivated in an external MBR, the loss of sludge with effluent is prevented to a maximum degree, the starting time is shortened, corresponding operating parameters are provided; the starting time of the bioreactor can be shortened to 87days, the sludge concentration of an anammox denitrification process in the external MBR is up to 12.7 to 14.8 g / L, the sludge color is changed into red brown from black, the total nitrogen removal rate is between 50 and 82 percent, the NH4<+>-N removal rate is between 46 and 92 percent, the NO2<->-N removal rate is between 63 and 92 percent and the membrane flux of stable operation is between 2.5 to 5.8 L / (m2.h). The method has less investment, low operating cost, high stability, low yield of residual sludge, superior effluent quality and a high theoretical value and can be applied in engineering practice.

The invention provides hypsizigus marmoreus and a method for establishing laccase transfer system in breeding thereof, belongs to the technical field of the hypsizigus marmoreus, and solves the problems that the hypsizigus marmoreus does not have laccase activity, has slow growing speed, longer production period and weak bacterial resistance in the prior art. The Hypsizigus marmoreus new strain Jinshan No.1 has the laccase activity, and is reserved by China General Microbiological Culture Collection Center on 12 June, 2009 with the accession number of CGMCC No. 3120. Pleurotus pulmonarius withthe laccase activity and the hypsizigus marmoreus are subjected to protoplast fusion to establish the laccase transfer system in the hypsizigus marmoreus. The hypsizigus marmoreus new strain culturedby the method has excellent properties of high laccase activity, high growing speed, short production period and the like.

The invention discloses a dendrobium nutrient solution formula for facilitating fast growth and high quality of dendrobium transplanting test-tube plantlets and an application of the dendrobium nutrient solution formula. A nutrient solution comprises the following components by volume percentage: 70-75% of Knudson C culture medium macroelements, 8-15% of microelements, 0.75-1.25% of 200mg / ml growth hormone NAA (naphthalene acetic acid) and 15-20% of carbendazim antibacterial agent with a mass fraction of 0.6-0.7%. Root-soaking treatment is conducted on the test-tube plantlets before transplanting, water is sprayed for once every day after the test-tube plantlets are transplanted, and the dendrobium nutrient solution is sprayed for once every week, so that the fast growth and the high quality of the cultivating plantlets are facilitated. The two problems of low transplanting survival rate and slow growth of the test-tube plantlets are solved, therefore, not only is the transplanting survival rate of the dendrobium test-tube plantlets increased, but also the fast growth, high yield, stable yield and high quality of the dendrobium cultivating plantlets are facilitated; and a technical support is provided for establishing an artificial large-area dendrobium cultivating base and achieving industrial dendrobium production.

Coatings suitable for use as protective oxide-forming coatings on Nb-based substrates exposed to high temperatures and oxidative environments. The coatings contain chromium and / or molybdenum, preferably contains silicon, and optionally contains niobium, titanium, hafnium, iron, rhenium, tantalum, and / or tungsten, which in combination form multiple intermetallic phases, which in combination form one or more intermetallic phases that promote the formation of a slow-growing oxide scale. Depending on the particular coating composition, the intermetallic phases may be: a silicon-modified Cr2Nb Laves phase and optionally a chromium solid solution phase, a CrNbSi intermetallic phase, and / or an M3Si intermetallic phase where M is niobium, titanium, and / or chromium; or M5Si3, MSi2 and / or M3Si2 where M is molybdenum, niobium, titanium, chromium, hafnium, iron, rhenium, tantalum, and / or tungsten.

The invention provides a rapid breeding method of Cattleya by improving the current flow of production, the method comprises fluid culturing on earlier stage, so as to promote the seed to grow fast, then directly inoculating the original bulbodium to the sprout culture medium for sprout production in one step. The method can reduce culture cost and time greatly, and can be applied to Catteva genus, near source bigeneric hybid seedling production and breeding works.

A preparation method for an immobilized psychrophile relates to a preparation method for an immobilized psychrophile. The invention solves the problems of slow growing during low temperature and low removing rate for the organic contaminations in the processed sewage of the thalli separated by the prior art. The method of the invention includes as follows: step one, the culturing and domestication of the strain; step two, the filtering of psychrophile; step three, the fixing of the immobilized psychrophile. The removing rate of the immobilized psychrophile of the invention to the COD under the environment of low temperature is higher by 63.67 percent than the bacteria with middle temperature; simultaneously the removing rate of the immobilized psychrophile of the invention to the COD under the environment of middle temperature is higher by 6.02 percent than that of the immobilized psychrophile under the environment of low temperature. The average removing rate of the immobilized psychrophile of the invention to the COD of the sewage in the winter is 85.79 percent; the average value of the removing rate for the COD is 86.66 percent. The immobilized psychrophile of the invention does not lose the activity as the temperature is lower in the winter.

The invention relates to a culture method of zelkova serrata container big seedlings and belongs to the technical field of plant cultivation. The culture method comprises the steps of garden selection and land preparation, container selection, substrate preparation, seedlings selection, container planting, water and fertilizer management and the like. Zelkova serrata has a slow growing speed, and thus, aiming at the growth characteristics of the zelkova serrata, the culture method adopts a specific culture management, so that the survival rate can be improved, growth of the zelkova serrata is accelerated, the culture period is shortened, the seedlings are enabled to grow into big trees at an early date and natural resources are effectively protected; root control containers used in the culture method have an effect of promoting growth of lateral roots, are unlikely to damage roots in the transplanting process and are beneficial for improving the survival rate of the big seedling transplantation; moreover, in the transplanting process, the crowns of the seedlings do not need to be cut down, full-crown transplantation can be carried out, the transplanting effect is good and the engineering requirements of any construction period can be met.

The invention discloses a method for cultivating flammulina velutipes in a blue sleeve, comprising the procedures of culture material confecting, bottling, sterilizing, inoculating, mycelium cultivating, fruitbody growing and harvesting, and sheathing a blue plastic round sleeve with the periphery thereof evenly distributed with a plurality of ventholes on the mouth of a cultivation bottle in the growing period of the fruitbody. Blue plastic can convert indoor scattered light into blue light, thus being beneficial for boosting growth of stipes and inhibiting growth of pileus, and enhancing product quality. The blue light also has the inhibition function in inhibiting fast growing flammulina velutipes and boosting slow growing flammulina velutipes, thus leading to uniform growth of flammulina velutipes, shortened harvest time and enhanced economic benefit.

The invention relates to an environmental contaminate phytoremediation technology, in particular to a method utilizing liana honeysuckles to remedy cadmium contaminated soil, which solves the problems of slow growing, small overground biomass, long remedy time and the like in the existing method for remedying plants growing in the cadmium contaminated soil. The method is that: honeysuckles are grown in the heavy metal cadmium contaminated environments (water bodies and soils), a better growing state can be maintained, the obvious poisoned symptom is not generated, and significantly different biomasses are not caused, the roots of the honeysuckles can absorb a great quantity of enrichment cadmium which contaminates the environment, and transfer the cadmium to the overground parts, so the cadmium accumulation amount of the overground parts exceeds the critical content standard 100mg / kg of the Cd super enrichment / accumulator plant, the concentration factor is more than 1, and the essential characteristics of the super enrichment / accumulator plant are obtained. The adopted method has low cost, is simple to operate, does not cause secondary pollution, is easy for aftertreatment, can effectively increase the green quantity and improve the ground landscape and the like while treat the environmental pollution.

Disclosed herein are methods and compositions for the eradication of bacterial infections. In particular, methods and compositions are disclosed for the eradication of persister and slow growing bacterial cell populations. In particular embodiments, the methods and compositions disclosed herein are useful for eradication of biofilms.

The invention belongs to the field of botany, and provides a method for the quick mycorhiza formation of azalea aseptic seedlings. By the method, the problems of high death rate, low growth speed, yellowing of laminae and the like of azalea seedlings in the prior art are solved. The method comprises the following steps of: preparing a cultivation medium and a nutrient solution; and transplanting rooted seedlings which are sown or subjected to tissue culture into the cultivation medium which is subjected to aseptic treatment, inoculating at least one bacterial block, and placing the seedlings in a culture chamber for culturing, wherein the cultivation medium consists of grass carbon and yellow sand in a weight ratio of (2-3):1; in the nutrient solution, the concentration of glucose is 0.1 to 0.3 percent; and the bacterial block is selected from any one of CGMCC NO: 6010 or 6031, and the inoculating position of the bacterial block is 0.5 to 1.0 centimeter away from a root system. By themethod, mycorrhiza of the azalea seedlings can be formed quickly and is high in infection rate, and the growth of the seedlings is quick, so the method can be used for scientific study and also can be used for the production of annual seedlings of azalea.

The invention discloses a houttuynia cordata aerial stem tissue culture rapid propagation method, through processes such as disinfection, adventitious bud inducing, propagation, cutting section culture, rooting and transplant, rapid propagation of a houttuynia cordata aerial stem tissue is achieved successfully, and industrialized seedling culture and high-efficiency production are achieved; culture and growth are controlled artificially, the method is not affected by natural conditions, the material drawing quantity is small, a culture material is economical, a growing period is short, a propagation coefficient is high, and the management is convenient. Besides, the problem that the pollution rate is high when primary vaccination of houttuynia cordata is conducted is solved; the plantingsurvival rate is high in aerial stem culture, a procedure is simple and practical, and the problems that houttuynia cordata test-tube plantlets in slow in propagation period and grow slowly are solved effectively; the propagation coefficient reaches 4.98 times, the rapid production period is 50d, GA3 is added in the test-tube plantlets, propagation bud clumps with high length can be acquired, andpropagation can be achieved; and at the same time, the problem that the cost of large-scale production is high is solved.

The invention provides a planting technology of artemisia apiacea, and relates to the technical field of crops plantings. The planting technology comprises the steps of preprocessing; selecting a land; preparing the land; cultivating seedlings; transplanting; performing field management; preventing and controlling plant diseases and insect pests. With the adoption of the planting technology of the artemisia apiacea, the problem of slow growing can be effectively prevented; the roots can be effectively avoided damage during transplanting into a land; the nutrient can be continuously supplied to the seedlings of artemisia apiacea, and therefore, the seedlings can develop well; the survive rate is improved, as a result, the economic benefits of the artemisia apiacea can be increased.

The invention relates to a slow-growing nitragin for peanuts as well as a preparation method and application thereof, in particular to application of slow-growing Bradyrhizobium japonicum and Bradyrhizobium yuanmingense or compositions thereof to improvement of peanut output. The nitragin provided by the invention is strong in scaffolding nitrogen fixation performance, can be used for improving the soil, strengthening the disease resistance and stress resistance of crops and remarkably improving the peanut quality and output, and belongs to a nitrogen fertilizer-saving pollution-free microbial agent.

The invention relates to a soybean slower-growing rhizobium with broad-spectrum nodulation characteristics, application thereof and a composite rhizobium agent prepared from the same, and belongs to the technical field of agricultural microorganisms. In order to solve the problems that the soybean nodule bacteria are low in nodulation rate and poor in nitrogen fixing effect, the invention providesa Japanese Bradyrhizobium japonicum HF25, the preservation number is CGMCC No.14857, the bacterial strain has high matching affinity, nodulation competitiveness and nodulation and nitrogen fixation capacity. The invention further provides the composite rhizobium agent which is prepared from Japanese Bradyrhizobium japonicum HF25 and Klebsiella oxytoca ASP-15, two kinds of bacteria are compounded,and the nodulation and nitrogen fixation capacity is significantly improved; the composite rhizobium agent is applied to soybean planting, compared with soybeans which are not applied with a microbial agent, the number of soybean nodules is increased by 170%, the number of pods per plant is increased by 37.3%, and the hundred-grain weight of soybeans is increased by 5.5%.

The present invention relates to an animal feed composition that comprises free indole acetic acid (free IAA) or a derivative thereof. The invention also relates to a method for enhancing animal growth by feeding the animal with a composition according to the invention. The invention also relates to the use of free IAA or a derivative thereof in a method of therapy of animals in need of a growth-promoting treatment, such as immunocompromised animals, animals with a growth deficit or slow growing animals. The invention also relates to the use of free IAA or a derivative thereof for the preparation of a therapeutical composition for increasing the growth rate and / or the feed conversion rate and / or the immunity of animals in need of such a treatment, in particular immunocompromised or slow growing animals. A composition according to the invention may preferably be in the form of a food or feed supplement.

HA-based functional probes and a multiplexed targeting strategy for detection and isolation of invasive subpopulations in breast cancer cell lines. Methods for using HA metabolism for profiling and sorting breast cancer heterogeneity. As such, HA-based functional probes have appropriate targeting capacity and safety profiles for development as imaging and therapeutic agents for following repair and neoplastic disease processes such as breast cancer.

A high-yield method for interplanting platycodon grandiflorus and wheat comprises spreading seeds of platycodon grandiflorus before rain, before or after a flowering period of wheat, wherein seeds of platycodon grandiflorus germinate, grow and take roots after rain, platycodon grandiflorus slowly grows up in the early stage, mainly takes roots downwards, and quickly grow up after wheat harvest; properly thinning out seedlings when the seedlings are as high as 2 cm, and singling when the seedlings are as high as 3 to 4 cm, reserving one strong seedling at an interval within the range from 12 to 14 cm, and supplementing seedlings with soil, where thinning out and supplementing can be implemented at the sametime; watering every day in dry seasons, weeding when weeds show up; shading especially in high temperature seasons from June to July, and watering to cool down in necessary to control the temperature under 30 DEG C; spraying traditional Chinese medicine disinfection insecticide combined with foliage dressing to controll insect deceases; and digging in next autumn when leaves grow yellow and wilt, washing and removing soil on roots, immersing in water, scrapping surface crude peels when the roots are fresh, cleaning, and drying in the sun.

The invention provides a method for culturing Guangdong flowering cabbage. The Guangdong flowering cabbage has a longer seedling period, so a culturing method which first raises seedlings, and then transplants and plants is adopted mostly in the production to improve land use capability. The seedlings of the Guangdong flowering cabbage are in a tap root system, and have few fibrous roots, so roots of the Guangdong flowering cabbage cannot sufficiently absorb nutrition and moisture, the Guangdong flowering cabbage grows slowly after transplanting and planting, does not resist water logging or root diseases, and does not have high yield. In the method, seeds of the Guangdong flowering cabbage are accelerated to germinate before the seeds are sown; when then length of the germinated root tip of the Guangdong flowering cabbage reaches 0.5 to 1mm, the seeds falling down from a 70-degree-slope hot iron plate at the temperature of between 100 and 130 DEG C to achieve the aim of burning the root tips, so that the sown Guangdong flowering cabbage has short main root and many fibrous roots, survives fast after transplanting and planting, and has vigorous growth, disease resistance and yield improved by 15 to 20 percent.

The invention relates to a field seedling culture method for rhodiola kirilowii and belongs to the technical field of medicinal plant seedling culture and cultivation. The method is designed in order to solve the problems that due to the fact that alpine regions are large in ultraviolet radiation, evaporation capacity and temperature difference, seedling culture of rhodiola kirilowii seeds is difficult, so that artificial domestication cultivation of the rhodiola kirilowii is promoted, and sustainable use of medicinal materials is guaranteed. According to the field seedling culture method for the rhodiola kirilowii, after sowing is completed, a shading net with the shading rate ranging from 60% to 70% is adopted for coverage, and the coverage time ranges from 23 months to 26 months. The method is simple and high in operability, the rhodiola kirilowii seeds can adapt to extreme natural environment within a short time and effectively and rapidly grow, the problems that during traditional seedling culture, the seed seedling emergency rate is low, and grow is slow are avoided, the field seedling culture survival rate of rhodiola kirilowii is greatly increased, the seedling culture period is shortened, accumulation of rhodiola kirilowii underground biomass is effectively promoted, and seedlings can be transplanted in a short period on a large area.

A coating suitable for use as protective oxide-forming coatings on Nb-based substrates, and particularly monolithic niobium-based alloys, exposed to high temperatures and oxidative environments. The coating contains aluminum, may further contain silicon, and optionally contains niobium, titanium, hafnium, and / or chromium, which in combination form one or more intermetallic phases that promote the formation of a slow-growing oxide scale. The intermetallic phases may be M(Al,Si)3, M5(Al,Si)3, and / or M3Si5Al2 where M is niobium, titanium, hafnium, and / or chromium.